Load adjusting method and device for preventing heavy overload of circuit and power system

Abstract

The invention provides a load adjusting method and device for preventing heavy overload of a circuit and a power system, and the method comprises the steps: obtaining historical operation data of a transformer substation, and determining a first transformer and a first feeder line based on the historical operation data; determining the first transformer and / or the first feeder line of which the number of times of occurrence of the heavy overload phenomenon within the preset duration is greater than a first threshold value as to-be-adjusted equipment; determining transfer target equipment according to the to-be-adjusted equipment; and determining a target switch according to the to-be-adjusted device and the transfer target device, and controlling the target switch to cut off the connection between the to-be-adjusted device and the current line and connect the to-be-adjusted device and the transfer target device, thereby realizing the power supply of the transfer target device to the to-be-adjusted device. According to the method, the problems of low equipment stability and low power supply reliability caused by manual load transfer control in the prior art are solved.

Description

Technical Field

[0001] The present invention relates to the field of data communication technology, and in particular to a load regulation method, device, computer-readable storage medium and power system for preventing a circuit from being severely overloaded. Background Art

[0002] In some substation main transformers, feeders and other equipment, during certain specific periods of time, due to short-term excessive power load, part of the power load needs to be transferred to other lines for power supply to ensure normal operation. After the power load decreases, the normal power supply mode can be restored.

[0003] Furthermore, since the electricity consumption habits of electricity users are relatively fixed, the historical load data of each node of the line can be used to calculate the load size of each section to predict the operating status of the line at future times, and then the load of equipment in the line with the risk of heavy overload can be transferred in advance to prevent the heavy overload phenomenon.

[0004] In the prior art, load transfer relies on manual participation, and scheduling is only performed after a heavy overload occurs. It is not possible to predict the heavy overload for prevention, and manual scheduling has a slow response speed.

[0005] In summary, the manual load transfer in the prior art cannot prevent the heavy overload phenomenon, and the response speed is slow and the load of the equipment cannot be transferred in time. Summary of the invention

[0006] The main purpose of the present application is to provide a load regulation method, device, computer-readable storage medium and power system for preventing circuit overload, so as to at least solve the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art.

[0007] In order to achieve the above-mentioned purpose, according to one aspect of the present application, a load regulation method for preventing circuit heavy overload is provided, comprising: obtaining historical operation data of the substation, determining a first transformer and a first feeder based on the historical operation data, the first transformer being a transformer that has a heavy overload phenomenon within a first preset time period, and the first feeder being a feeder that has a heavy overload phenomenon within the first preset time period; determining the first transformer and / or the first feeder that has experienced the heavy overload phenomenon more than a first threshold number of times within a preset time period as a device to be regulated; determining a transfer target device based on the device to be regulated, the transfer target device being a feeder and a main transformer that can supply power to the device to be regulated in addition to the line to which the device to be regulated currently belongs; determining a target switch based on the device to be regulated and the transfer target device, and controlling the target switch to cut off the connection between the device to be regulated and the current line to which it belongs and connect the device to be regulated with the transfer target device, so as to realize the power supply of the device to be regulated by the transfer target device.

[0008] Optionally, after obtaining historical operation data of the substation and determining the first transformer and the first feeder based on the historical operation data, the method further includes: recording the IDs of the first transformer and the first feeder to obtain a target ID; respectively recording the start time and end time of the heavy overload phenomenon corresponding to the first transformer and the first feeder to obtain a first time and a second time; recording the real-time current of the first transformer and the first feeder between the first time and the second time to obtain a first target current, and obtaining the rated current of the first transformer and the first feeder to obtain a second target current; and generating a heavy overload record according to the target ID, the first time, the second time, the first target current and the second target current.

[0009] Optionally, when the number of times the heavy overload phenomenon occurs in the first transformer and the first feeder within a preset time length is greater than a first threshold, the first transformer and the first feeder are determined as devices to be adjusted, including: according to the target ID, taking the first moment corresponding to the target ID as the starting moment of the preset time length, traversing the heavy overload records, and determining the heavy overload records with the same target ID and the first moment before the end moment of the preset time length as target records; when the number of target records is greater than the first threshold, sorting the first moment and the second moment in the target record, calculating the difference between the first data point and the last data point, and obtaining the first target time length; when the first target time length is greater than the second threshold, determining the first transformer and the first feeder as devices to be adjusted.

[0010] Optionally, determining the target device for transfer according to the device to be regulated includes: determining the line to which the device to be regulated belongs according to the device to be regulated to obtain a first target line; traversing the substation topology map based on the first target line, determining the line connected with the first target line as the transfer alternative device; after the device to be regulated is switched to the transfer alternative device for power supply, if the heavy overload phenomenon does not occur in the transfer alternative device, determining the transfer alternative device as the transfer target device.

[0011] Optionally, before determining the transfer alternative device as the transfer target device, the method also includes: calculating the average historical load of the transfer alternative device between the first moment and the second moment based on the historical operation data corresponding to the transfer alternative device between the first moment and the second moment corresponding to the device to be adjusted, and obtaining the first historical load; calculating the average historical load of the device to be adjusted between the first moment and the second moment based on the historical operation data corresponding to the device to be adjusted between the first moment and the second moment, and obtaining the second historical load; when the sum of the first historical load and the second historical load is less than the maximum load of the transfer alternative device, determining that after the device to be adjusted is switched to the transfer alternative device for power supply, the transfer alternative device does not suffer from the heavy overload phenomenon.

[0012] Optionally, determining the transfer alternative device as the transfer target device includes: determining the side transformer connected to the transfer alternative device as the second transformer according to the transfer alternative device traversing the substation topology map; calculating the historical average load of the second transformer based on the historical operation data corresponding to the first moment and the second moment corresponding to the second transformer, and obtaining a third historical load; and determining the transfer alternative device as the transfer target device when the third historical load is less than or equal to the maximum load of the second transformer.

[0013] Optionally, a target switch is determined according to the device to be regulated and the target device to be transferred, and the target switch is controlled to cut off the connection between the device to be regulated and the current line to which it belongs and connect the device to be regulated with the target device to be transferred, including: traversing the substation topology map according to the device to be regulated and the target device to be transferred, and determining the load shedding switch required to disconnect the connection between the device to be regulated and the current line to which it belongs and the connecting switch required to close the connection between the device to be regulated and the target device to be transferred as the target switch; sending a first instruction to the connecting switch, and if the first instruction is executed successfully, sending a second instruction to the load shedding switch, the second instruction is used to instruct the switch to be disconnected, and the first instruction is used to instruct the switch to be closed; if the second instruction is executed successfully, determining that the device to be regulated is successfully switched to the target device to be transferred for power supply; if the second instruction or the first instruction fails to be executed, re-determining the corresponding target switch according to the device to be regulated and the other target devices to be transferred, and resending the first instruction and the second instruction to the updated target switch until the device to be regulated is successfully switched to the target device to be transferred for power supply.

[0014] According to another aspect of the present application, a load regulation device for preventing circuit heavy overload is provided, the device comprising: a first acquisition unit, used to acquire historical operation data of the substation, and determine a first transformer and a first feeder based on the historical operation data, the first transformer being a transformer with heavy overload phenomenon within a first preset time period, and the first feeder being a feeder with heavy overload phenomenon within the first preset time period; a first determination unit, used to determine the first transformer and / or the first feeder as a device to be regulated if the number of times the heavy overload phenomenon occurs within a preset time period is greater than a first threshold; a second determination unit, used to determine a transfer target device according to the device to be regulated, the transfer target device being a feeder and a main transformer that can supply power to the device to be regulated in addition to the line to which the device to be regulated currently belongs; a third determination unit, used to determine a target switch according to the device to be regulated and the transfer target device, and control the target switch to cut off the connection between the device to be regulated and the current line to which it belongs and connect the device to be regulated with the transfer target device, so as to realize the power supply of the device to be regulated by the transfer target device.

[0015] According to another aspect of the present application, a computer-readable storage medium is provided, wherein the computer-readable storage medium includes a stored program, wherein when the program is executed, the device where the computer-readable storage medium is located is controlled to execute any one of the methods described.

[0016] According to another aspect of the present application, there is provided a power system, comprising: one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include methods for executing any one of the described methods.

[0017] Applying the technical solution of the present application, in the load regulation method for preventing heavy circuit overload, first, historical operation data of the substation is obtained, and the first transformer and the first feeder are determined based on the historical operation data, the first transformer being a transformer with heavy overload phenomenon within a first preset time period, and the first feeder being a feeder with heavy overload phenomenon within the first preset time period; then, the first transformer and / or the first feeder whose number of heavy overload phenomena occurring within a preset time period is greater than a first threshold value are determined as the device to be regulated; thereafter, the target device for transfer is determined according to the device to be regulated, the target device for transfer is a feeder and a main transformer that can supply power to the device to be regulated in addition to the line to which the device to be regulated currently belongs; finally, the target switch is determined according to the device to be regulated and the target device for transfer, and the target switch is controlled to cut off the connection between the device to be regulated and the current line to which it belongs and connect the device to be regulated with the target device for transfer, so as to realize the power supply of the device to be regulated by the target device for transfer. The present application sets the operating parameters of the substation based on the past preset time period, predicts the heavy overload situation of the substation main transformer and feeder, and based on the prediction, transfers the load in advance to the main substation and feeder with the risk of heavy overload, switches the power load from the current line to other lines, ensures the normal power supply of the equipment while avoiding the heavy overload phenomenon, and reduces the heavy overload of the power grid equipment caused by uneven load distribution. This method solves the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A hardware structure block diagram of a mobile terminal according to a load adjustment method for preventing a circuit from being severely overloaded provided in an embodiment of the present application is shown;

[0019] Figure 2 A flow chart of a load regulation method for preventing a circuit from being severely overloaded is shown according to an embodiment of the present application;

[0020] Figure 3 A circuit topology diagram of a substation provided according to an embodiment of the present application is shown;

[0021] Figure 4 A structural block diagram of a load regulating device for preventing a circuit from being severely overloaded is shown according to an embodiment of the present application.

[0022] The above drawings include the following reference numerals:

[0023] 102, processor; 104, memory; 106, transmission device; 108, input and output devices. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0026] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0027] As introduced in the background technology, manual load transfer in the prior art cannot prevent heavy overload phenomena, and the response speed is slow and the equipment load cannot be transferred in time. In order to solve the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art, the embodiments of the present application provide a load regulation method, device, computer-readable storage medium and power system for preventing circuit heavy overload.

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] The method embodiments provided in the embodiments of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Taking running on a mobile terminal as an example, Figure 1 FIG. 1 is a hardware structure block diagram of a mobile terminal of a load adjustment method for preventing circuit overload according to an embodiment of the present invention. Figure 1 As shown, the mobile terminal may include one or more ( Figure 1 Only one is shown in the figure) a processor 102 (the processor 102 may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data, wherein the mobile terminal may also include a transmission device 106 and an input / output device 108 for communication functions. It can be understood by those skilled in the art that Figure 1 The structure shown is only for illustration and does not limit the structure of the mobile terminal. Figure 1 More or fewer components as shown, or with Figure 1 Different configurations are shown.

[0030] The memory 104 can be used to store computer programs, for example, software programs and modules of application software, such as the computer program corresponding to the display method of device information in the embodiment of the present invention. The processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, that is, the above method is implemented. The memory 104 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include a memory remotely arranged relative to the processor 102, and these remote memories can be connected to the mobile terminal via a network. Examples of the above-mentioned network include but are not limited to the Internet, an intranet, a local area network, a mobile communication network, and a combination thereof. The transmission device 106 is used to receive or send data via a network. The above-mentioned specific examples of the network may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, referred to as NIC), which can be connected to other network devices through a base station so as to communicate with the Internet. In one example, the transmission device 106 may be a radio frequency (RF) module, which is used to communicate with the Internet wirelessly.

[0031] In this embodiment, a load regulation method for preventing circuit overload is provided, which runs on a mobile terminal, a computer terminal or a similar computing device. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0032] Figure 2FIG. 1 is a flow chart of a load regulation method for preventing a circuit from being overloaded according to an embodiment of the present application. Figure 2 As shown, the method comprises the following steps:

[0033] Step S201, acquiring historical operation data of the substation, and determining a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer that is severely overloaded within a first preset period of time, and the first feeder is a feeder that is severely overloaded within the first preset period of time;

[0034] Specifically, the end time of the first preset time period is the current time, and the duration of the first preset time period is the target duration. The rated current and historical current values ​​of each main transformer and each feeder in the automation system are extracted, and the main transformer and feeder that are overloaded can be determined according to the rated current and historical current values. Specifically, when the load capacity reaches or exceeds a certain proportion of the rated capacity, it is a heavy overload.

[0035] In a specific implementation, the present application sets the historical analysis period to 5 days, the heavy load ratio to 80%, and the overload ratio to 100%. That is, if the historical current value of the main transformer or feeder reaches 80% of the rated current during the past 5 days, it is determined that the main transformer or feeder is overloaded; if the historical current value of the main transformer or feeder reaches 100% of the rated current, it is determined that the main transformer or feeder is overloaded.

[0036] Step S202, determining the first transformer and / or the first feeder whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold as a device to be adjusted;

[0037] Specifically, in order to achieve accurate load transfer, the present application provides for further screening of the above-mentioned first transformer and the above-mentioned first feeder that have experienced heavy overload phenomena, and selects the equipment among which continuous heavy overload phenomena occur, and determines them as the above-mentioned equipment to be adjusted.

[0038] It is understandable that the continuous heavy overload phenomenon is a heavy overload phenomenon that occurs a preset number of times or more on the same device within a preset time, which is called continuous heavy overload. In one embodiment, the present application sets the continuous heavy overload number threshold (the above-mentioned first threshold) to 3.

[0039] Step S203, determining a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, in addition to the line to which the device to be adjusted currently belongs;

[0040] Specifically, by searching based on the above-mentioned equipment to be adjusted according to the topology diagram, it is possible to determine the feeder and its corresponding main transformer to which the above-mentioned equipment to be adjusted can supply load transfer, and obtain the above-mentioned transfer target equipment.

[0041] Step S204, determining a target switch according to the device to be adjusted and the target device to be transferred, and controlling the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device to be transferred, so as to realize power supply from the target device to the device to be adjusted.

[0042] Specifically, with the goal of ensuring that neither the pre-transfer line nor the post-transfer line produces heavy overload after the load transfer, the load segment of the equipment to be adjusted is searched to determine the corresponding connecting switch and load dividing switch, the above-mentioned target switch is obtained, and the above-mentioned target switch is controlled to realize the power supply of the above-mentioned transfer target equipment to the above-mentioned equipment to be adjusted.

[0043] Through this embodiment, first, the historical operation data of the substation is obtained, and the first transformer and the first feeder are determined based on the above historical operation data, the above first transformer is a transformer with a heavy overload phenomenon within a first preset time period, and the above first feeder is a feeder with a heavy overload phenomenon within the first preset time period; then, the above first transformer and / or the above first feeder whose number of the above heavy overload phenomenon occurring within a preset time period is greater than a first threshold value are determined as the equipment to be adjusted; thereafter, the target equipment for transfer is determined according to the above equipment to be adjusted, and the above target equipment for transfer is a feeder and a main transformer that can supply power to the above equipment to be adjusted in addition to the line to which the above equipment to be adjusted currently belongs; finally, the target switch is determined according to the above equipment to be adjusted and the above target equipment for transfer, and the above target switch is controlled to cut off the connection between the above equipment to be adjusted and the current line to which it belongs and connect the above equipment to be adjusted with the above target equipment for transfer, so as to realize the power supply of the above equipment to be adjusted by the above target equipment for transfer. The present application sets the operating parameters of the substation based on the past preset time period, predicts the heavy overload situation of the substation main transformer and feeder, and based on the prediction, transfers the load in advance to the main substation and feeder with the risk of heavy overload, switches the power load from the current line to other lines, ensures the normal power supply of the equipment while avoiding the heavy overload phenomenon, and reduces the heavy overload of the power grid equipment caused by uneven load distribution. This method solves the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art.

[0044] In a specific embodiment, Figure 3 As shown, if line L1 is heavily overloaded within a specific period of time, the system can analyze in advance the load changes of electrical equipment F0, F1, F2, F3, F4 and F5 during the period of heavy overload of line L1, and superimpose the load during the period of heavy overload of L1 on the line connected with L1 to check whether the opposite-side connecting circuit or the opposite-side main transformer will be heavily overloaded due to the transfer operation. If no heavy overload occurs, it can be used as an alternative for transfer.

[0045] In addition, if the load on the lines L1, L5, L6, etc. on the same bus is too high, causing the main transformer TF1 to be severely overloaded, then based on the same principle, the load on the lines L1, L5, L6, etc. will be transferred to other lines for supply. Figure 2 In the figure, TF is the main transformer, L is the feeder, FB is the load cutting switch, LB is the tie switch, and F is the power equipment.

[0046] In order to facilitate the system to perform scheduling, in an optional implementation, after obtaining historical operation data of the substation and determining the first transformer and the first feeder based on the historical operation data, the method further includes:

[0047] Step S301, recording the IDs of the first transformer and the first feeder to obtain a target ID;

[0048] Specifically, when the main transformer and the feeder are severely overloaded, the ID of the corresponding severely overloaded device is recorded to obtain the above target ID.

[0049] Step S302, respectively recording the start time and the end time of the heavy overload phenomenon corresponding to the first transformer and the first feeder to obtain a first time and a second time;

[0050] Specifically, after recording the above-mentioned target ID, in order to facilitate early prediction of load transfer, it is necessary to record the time period when the above-mentioned first transformer and the above-mentioned first feeder are severely overloaded, and perform load transfer in the corresponding time period. Therefore, this application is set to record the above-mentioned first moment and the above-mentioned second moment.

[0051] Step S303, recording the real-time current of the first transformer and the first feeder between the first moment and the second moment to obtain a first target current, and obtaining the rated current of the first transformer and the first feeder to obtain a second target current;

[0052] Specifically, in order to ensure that before and after the load transfer, the lines to which the above-mentioned first transformer and the above-mentioned first feeder belong are not severely overloaded, the present application is configured to record the historical current and rated current of the above-mentioned first transformer and the above-mentioned first feeder when the severe overload phenomenon occurs, and obtain the above-mentioned first target current and the above-mentioned second target current to facilitate subsequent scheduling.

[0053] Step S304: generating a heavy overload record according to the target ID, the first moment, the second moment, the first target current and the second target current.

[0054] Specifically, a list is generated according to the target ID, the first moment, the second moment, the first target current and the second target current for load transfer, that is, the heavy overload record is obtained.

[0055] In order to ensure the accuracy of load transfer, in an optional implementation, the above step S202 includes:

[0056] Step S2021, according to the target ID, taking the first moment corresponding to the target ID as the start moment of the preset duration, traversing the heavy overload records, and determining the heavy overload records corresponding to the same target ID and whose first moment is before the end moment of the preset duration as the target record;

[0057] Specifically, starting from the above-mentioned first moment, all the above-mentioned heavy overload records are traversed, and it is searched whether there are other heavy overload records of the above-mentioned first transformer and the first feeder corresponding to the above-mentioned target ID, and the heavy overload record whose time length from the corresponding first moment to the first first moment is less than or equal to the above-mentioned preset time length is determined as the above-mentioned target record.

[0058] It can be understood that the above target record is used to verify the number of times the above first transformer and the first feeder experience a severe overload phenomenon within the above preset time period.

[0059] Step S2022, when the number of the target records is greater than the first threshold, sort the first moment and the second moment in the target records, calculate the difference between the first data point and the last data point, and obtain a first target duration;

[0060] Specifically, when the number of times that the first transformer and the first feeder experience heavy overload phenomena within the preset time period is greater than the first threshold, it is determined that continuous heavy overload phenomena occur in the first transformer and the first feeder, and then verification is performed based on the duration of the continuous heavy overload phenomenon, specifically by calculating the difference between the first data point and the last data point to obtain the first target duration.

[0061] Step S2023: When the first target duration is greater than the second threshold, the first transformer and the first feeder are determined as devices to be adjusted.

[0062] Specifically, when the duration of the continuous heavy overload phenomenon exceeds the set value, that is, when the above-mentioned first target duration is greater than the second threshold, it is determined that the probability of the first transformer and the first feeder experiencing heavy overload phenomena during this period is high, and the above-mentioned first transformer and the above-mentioned first feeder are determined as the equipment to be adjusted.

[0063] In order to determine the target device for transfer, in an optional implementation, the above step S203 includes:

[0064] Step S2031, determining the line to which the above-mentioned device to be adjusted belongs according to the above-mentioned device to be adjusted, and obtaining a first target line;

[0065] Specifically, based on the positioning of the device to be adjusted on the topological map, the line to which the device to be adjusted belongs is determined to obtain a first target line.

[0066] In a specific embodiment, Figure 2 As shown, the overload line L1 is the first target line mentioned above.

[0067] Step S2032, based on the traversal of the substation topology map of the first target line, a line connected with the first target line is determined as a transfer candidate device;

[0068] Specifically, based on the positioning of the first target line on the topological map, and searching for the line connected by the first target line, it is determined to be a transferable line, and the transferable line includes the opposite feeder and the transformer corresponding to the feeder, and the transfer candidate equipment is determined.

[0069] In a specific embodiment, Figure 2 As shown, the transferable power supply lines are L2, L3, and L4, corresponding to transformers TF2, TF3, and TF4 respectively, and the transfer switches are LB1, LB2, and LB3.

[0070] Step S2033: after the device to be adjusted is switched to the alternative transfer device for power supply, if the alternative transfer device does not suffer from the heavy overload phenomenon, the alternative transfer device is determined as the target transfer device.

[0071] Specifically, after simulating the transfer of the load of the above-mentioned equipment to be adjusted to the transfer alternative equipment, check whether the load to be adjusted and transferred will cause the opposite transformer to be overloaded. Specifically, check whether the load of the transformers on both sides does not exceed the load rate R. If so, record it as the transfer target equipment, otherwise, the above-mentioned transfer alternative equipment cannot be transferred.

[0072] In order to ensure that after the device to be adjusted is switched to the alternative transfer device for power supply, the alternative transfer device does not suffer from the above-mentioned heavy overload phenomenon, in an optional implementation manner, before the alternative transfer device is determined as the target transfer device, the method further includes:

[0073] Step S401, based on the historical operation data corresponding to the above-mentioned transfer alternative equipment between the above-mentioned first moment and the above-mentioned second moment corresponding to the above-mentioned equipment to be adjusted, calculate the average historical load of the above-mentioned transfer alternative equipment between the above-mentioned first moment and the above-mentioned second moment to obtain a first historical load;

[0074] Specifically, the average load history of the transferable feeder is obtained. The Q-day calendar load data of the transferable line in the automation system is obtained, and each time point from T0 to T1 is recorded, and the historical load average value of the transfer line in the period from T0 to T1 is calculated to obtain the above-mentioned first historical load.

[0075] In a specific embodiment, Figure 2 As shown, the historical load average value I of the transfer lines L1, L2, L3, and L4 within Q days is calculated. L1T0 ~I L1T1 , I L2T0 ~I L2T1 , I L3T0 ~I L3T1 , I L4T0 ~I L4T1 ; Among them, I L1T0 =AVG(I L 1QT0 +I L1Q-1T0 +I L1Q-2T0 +…), I L1T1 =AVG(I L1QT1 +I L1Q-1T1 +I L1Q-2T1 +…), it can be understood that L1 is line L1, T0 is the first moment T0 corresponding to the data, T1 is the second moment T1, Q represents the data of the period Q days before, and I is the current.

[0076] In addition, the average historical load corresponding to the transformer corresponding to the transfer feeder is calculated synchronously, and the Q-day calendar load data of the transfer transformer in the automation system is obtained. At each time point from T0 to T1, the historical load average of the transfer line in the period from T0 to T1 is calculated; Figure 2 Calculate the historical load average I of the transfer lines TF1, TF2, TF3, and TF4 TF1T0 ~I TF1T1 , I TF2T0 ~I TF2T1 , I TF3T0 ~I TF3T1 , I TF4T0 ~I TF4T1 .

[0077] Step S402, based on the historical operation data corresponding to the first moment and the second moment corresponding to the device to be adjusted, calculate the average historical load of the device to be adjusted between the first moment and the second moment to obtain a second historical load;

[0078] Specifically, the average historical load of each load segment is formed with feeder as the unit. Each feeder and each automatic switch with three remote functions is used as the demarcation point to form a load area, and the load value of each recording point from T0 to T1 in the load area Q day is calculated. The calculation method is the load current value of the upstream automatic switch minus the load current value of the downstream automatic switch; then the average historical load of each load segment is calculated.

[0079] In a specific embodiment, Figure 2 As shown, the load value calculation of load segments F0 and F1 at time T0 Q days ago is F0QT0 =I L1QT0 -I FB11QT0， I F1QT0 =I FB11QT0 -I FB11QT0 ,…; Q day load segment F0, F1 time T1 load value calculation I F1QT1 =I FB11QT1 -I FB11QT1 , I F1QT1 =I FB11QT1 -I FB11QT1 ,…; Q-1 day ago load segment F0, F1 T0 time load value calculation I F0Q-1T0 =I L1Q-1T0 -I FB11Q-1T0， I F1Q-1T0 =I FB11Q-1T0 -I FB11Q-1T0 ,…; Q-1 daily load segment F0, F1 time T1 load value calculation I F1Q-1T1 =I FB11Q-1T1 -I FB11Q-1T1 , I F1Q-1T1 =I FB11Q-1T1 -I FB11Q-1T1 ,…; within Q days, the average load value at time T0 of load sections F0 and F1 is: I F0T0 =AVG(I F0QT0 +I F0Q-1T0 +I F0Q-2T0 +…), I F1T0 =AVG(I F1QT0 +I F1Q-1T0 +I F1Q-2T0 +…).

[0080] Step S403, when the sum of the first historical load and the second historical load is less than the maximum load of the alternative transfer device, determine that after the device to be adjusted is transferred to the alternative transfer device for power supply, the alternative transfer device does not suffer from the above-mentioned heavy overload phenomenon.

[0081] Specifically, the load sections and load split switches that need to be adjusted and transferred are calculated. Based on the topological connection relationship, the average load of each section is superimposed on the transferable line, with the goal that the load of both lines does not exceed R after the transfer.

[0082] In a specific embodiment, Figure 2 As shown, first simulate disconnecting FB15 and closing the contact switch LB1, superimpose the average load of F5 on L2, and check whether there is [I' L1T0 <R·I L1E ]~[I L1T1 ' <R·I L1E ],[I' L2T0 <R·I L2E ]~[I' L2T1 <R·I L2E ], if so, record it as a transferable solution, calculate the maximum load rate of the two lines, record the tie switch LB1, load shedding switch FB15, where I' L1T0 =I F0T0 +I F1T0 +I F2T0 +I F3T0 +I F4T0 , I' L2T0 =I L2T0 +I F5T0 ;…;I' L1T1 =I F0T1 +I F1T1 +I F2T1 +I F3T1 +I F4T1 , I' L2T1 =I L2T0 +I F5T1 Then, by analogy, simulate disconnecting FB14, closing the tie switch LB1, superimposing the average load of F5 and F4 on L2, and checking whether there is [I' L1T0 <R·I L1E ]~[I' L1T1 <R·I L1E ],[I' L2T0 <R·I L2E ]~[I' L2T1 <R·I L2E ], if so, record it as a transferable solution, calculate the maximum load rate of the two lines, record the tie switch LB1, load shedding switch FB14, where I' L1T0 =IF0T0 +I F1T0 +I F2T0 +I F3T0 , I' L2T0 =I L2T0 +I F5T0 +I F4T0 ;…;I' L1T1 =I F0T1 +I F1T1 +I F2T1 +I F3T1 , I' L2T1 =I L2T0 +I F5T1 +I F4T1 And so on, until all load transfer schemes are simulated.

[0083] In order to ensure safe operation after load transfer, in an optional implementation, the above step S203 further includes:

[0084] Step S2034, traversing the substation topology map according to the supply transfer candidate device, and determining the side transformer connected to the supply transfer candidate device as the second transformer;

[0085] Specifically, check whether the load to be adjusted and transferred will cause a severe overload on the transformer on the opposite side.

[0086] Step S2035, based on the historical operation data corresponding to the first moment and the second moment corresponding to the second transformer, calculate the historical average load of the second transformer to obtain a third historical load;

[0087] Step S2036: When the third historical load is less than or equal to the maximum load of the second transformer, the transfer candidate device is determined as the transfer target device.

[0088] In a specific embodiment, first simulate disconnecting FB15, closing the tie switch LB1, superimposing the average load of F5 on TF2, and checking whether there is [I' TF1T0 <R·I TF1E ]~[I TF1T1 ' <R·I TF1E ],[I' TF2T0 <R·I TF2E ]~[I' TF2T1 <R·I TF2E ], if so, record it as a transferable solution, calculate the maximum load rate of the two lines, record the tie switch LB1, load shedding switch FB15, where I' TF1T0 =I F0T0 +I F1T0 +I F2T0 +I F3T0+I F4T0 , I' TF2T0 =I TF2T0 +I F5T0 ;…;

[0089] I' TF1T1 =I F0T1 +I F1T1 +I F2T1 +I F3T1 +I F4T1 , I' TF2T1 =I TF2T0 +I F5T1 .

[0090] In order to implement power supply switching of the device to be adjusted, in an optional implementation, the above step S204 includes:

[0091] Step S2041, traversing the substation topology map according to the above-mentioned equipment to be regulated and the above-mentioned target equipment for transfer, the load shedding switch required to disconnect the above-mentioned equipment to be regulated from the current line to which it belongs and the tie switch required to close the above-mentioned equipment to be regulated and the above-mentioned target equipment for transfer are determined as the above-mentioned target switches;

[0092] Specifically, according to the substation topology map traversed by the above-mentioned equipment to be regulated and the above-mentioned target equipment for transfer, the load cutting switch required to disconnect the connection between the above-mentioned equipment to be regulated and the current line to which it belongs and the connecting switch required to close the connection between the above-mentioned equipment to be regulated and the above-mentioned target equipment for transfer are determined as the above-mentioned target switches.

[0093] Step S2042, sending a first instruction to the tie switch, and if the first instruction is successfully executed, sending a second instruction to the load shedding switch, wherein the second instruction is used to instruct the switch to open, and the first instruction is used to instruct the switch to close;

[0094] Specifically, the connecting switch is controlled to be closed, the load shedding switch is opened, a corresponding instruction is generated, and the connecting switch is closed preferentially.

[0095] Step S2043, when the second instruction is executed successfully, determining that the device to be adjusted is successfully switched to the target device for power supply;

[0096] Specifically, after the load shedding switch is successfully disconnected, the switching of the equipment to be adjusted is completed.

[0097] Step S2044, in the event that the execution of the second instruction or the first instruction fails, the corresponding target switch is re-determined based on the device to be adjusted and the other target devices for transfer, and the first instruction and the second instruction are resent to the updated target switch until the device to be adjusted successfully switches to the target device for transfer for power supply.

[0098] Specifically, when determining the transfer target device, if there are multiple transfer target devices, if one of the transfer target devices fails to switch, the next transfer target device is switched, and switching is performed again until the switching is successful, or all the transfer target devices fail to switch.

[0099] In one embodiment, the present application further provides an automatic switch-back function for the equipment to be adjusted. Optionally, a load adjustment time margin Y=5 minutes is set.

[0100] Close the corresponding interconnection switch and disconnect the load-splitting switch by remote control at the preset time. Set the load transfer plan execution timer, and the execution time is T0-Y. Close the interconnection switch and disconnect the load-cutting switch. If the transfer is successful, set the plan execution timer, and the execution time is T1+Y, start the execution, and reverse the operation, first close the load-cutting switch, then disconnect the interconnection switch, and return to normal operation. Repeat the operation of the equipment that needs load transfer until all transfers are completed.

[0101] It should be noted that the steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and that, although a logical order is shown in the flowcharts, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0102] The embodiment of the present application also provides a load regulating device for preventing a circuit from being overloaded. It should be noted that the load regulating device for preventing a circuit from being overloaded in the embodiment of the present application can be used to execute the load regulating method for preventing a circuit from being overloaded provided in the embodiment of the present application. The device is used to implement the above-mentioned embodiments and preferred implementation modes, and those that have been described will not be repeated. As used below, the term "module" can implement a combination of software and / or hardware for a predetermined function. Although the device described in the following embodiments is preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0103] The following is an introduction to the load regulation device for preventing circuit heavy overload provided in an embodiment of the present application.

[0104] Figure 4 is a structural block diagram of a load regulating device for preventing circuit overload according to an embodiment of the present application. Figure 4 As shown, the device comprises:

[0105] A first acquisition unit 10 is used to acquire historical operation data of the substation, and determine a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer with a heavy overload phenomenon in a first preset period of time, and the first feeder is a feeder with a heavy overload phenomenon in the first preset period of time;

[0106] Specifically, the end time of the first preset time period is the current time, and the duration of the first preset time period is the target duration. The rated current and historical current values ​​of each main transformer and each feeder in the automation system are extracted, and the main transformer and feeder that are overloaded can be determined according to the rated current and historical current values. Specifically, when the load capacity reaches or exceeds a certain proportion of the rated capacity, it is a heavy overload.

[0107] In a specific implementation, the present application sets the historical analysis period to 5 days, the heavy load ratio to 80%, and the overload ratio to 100%. That is, if the historical current value of the main transformer or feeder reaches 80% of the rated current during the past 5 days, it is determined that the main transformer or feeder is overloaded; if the historical current value of the main transformer or feeder reaches 100% of the rated current, it is determined that the main transformer or feeder is overloaded.

[0108] A first determination unit 20 is used to determine the first transformer and / or the first feeder whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold as a device to be adjusted;

[0109] Specifically, in order to achieve accurate load transfer, the present application provides for further screening of the above-mentioned first transformer and the above-mentioned first feeder that have experienced heavy overload phenomena, and selects the equipment among which continuous heavy overload phenomena occur, and determines them as the above-mentioned equipment to be adjusted.

[0110] It is understandable that the continuous heavy overload phenomenon is a heavy overload phenomenon that occurs a preset number of times or more on the same device within a preset time, which is called continuous heavy overload. In one embodiment, the present application sets the continuous heavy overload number threshold (the above-mentioned first threshold) to 3.

[0111] The second determining unit 30 is used to determine the target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted in addition to the line to which the device to be adjusted currently belongs;

[0112] Specifically, by searching based on the above-mentioned equipment to be adjusted according to the topology diagram, it is possible to determine the feeder and its corresponding main transformer to which the above-mentioned equipment to be adjusted can supply load transfer, and obtain the above-mentioned transfer target equipment.

[0113] The third determination unit 40 is used to determine the target switch according to the above-mentioned device to be adjusted and the above-mentioned target device for transfer, and control the above-mentioned target switch to cut off the connection between the above-mentioned device to be adjusted and the current line to which it belongs and connect the above-mentioned device to be adjusted with the above-mentioned target device for transfer, so as to realize the power supply of the above-mentioned target device to the above-mentioned device to be adjusted.

[0114] Specifically, with the goal of ensuring that neither the pre-transfer line nor the post-transfer line produces heavy overload after the load transfer, the load segment of the equipment to be adjusted is searched to determine the corresponding connecting switch and load dividing switch, the above-mentioned target switch is obtained, and the above-mentioned target switch is controlled to realize the power supply of the above-mentioned transfer target equipment to the above-mentioned equipment to be adjusted.

[0115] Through this embodiment, the first acquisition unit acquires the historical operation data of the substation, and determines the first transformer and the first feeder based on the above historical operation data, the above first transformer is a transformer with a heavy overload phenomenon within a first preset time period, and the above first feeder is a feeder with a heavy overload phenomenon within the first preset time period; the first determination unit determines the above first transformer and / or the above first feeder whose number of the above heavy overload phenomena occurring within a preset time period is greater than a first threshold as the device to be adjusted; the second determination unit determines the transfer target device according to the above device to be adjusted, and the above transfer target device is a feeder and a main transformer that can supply power to the above device to be adjusted in addition to the line to which the above device to be adjusted currently belongs; the third determination unit determines the target switch according to the above device to be adjusted and the above transfer target device, and controls the above target switch to cut off the connection between the above device to be adjusted and the current line and connect the above device to be adjusted with the above transfer target device, so as to realize the power supply of the above device to be adjusted by the above transfer target device. The present application is set up based on the operating parameters of the substation within a preset time period in the past, predicts the heavy overload situation of the substation main transformer and feeder, and based on the prediction, transfers the load in advance to the main substation and feeder with the risk of heavy overload, switches the power load from the current line to other lines, ensures the normal power supply of the equipment while avoiding the heavy overload phenomenon, and reduces the heavy overload of the power grid equipment caused by uneven load distribution. The device solves the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art.

[0116] In a specific embodiment, Figure 3 As shown, if line L1 is heavily overloaded within a specific period of time, the system can analyze in advance the load changes of electrical equipment F0, F1, F2, F3, F4 and F5 during the period of heavy overload of line L1, and superimpose the load during the period of heavy overload of L1 on the line connected with L1 to check whether the opposite-side connecting circuit or the opposite-side main transformer will be heavily overloaded due to the transfer operation. If no heavy overload occurs, it can be used as an alternative for transfer.

[0117] In addition, if the load on the lines L1, L5, L6, etc. on the same bus is too high, causing the main transformer TF1 to be severely overloaded, then based on the same principle, the load on the lines L1, L5, L6, etc. will be transferred to other lines for supply. Figure 2 In the figure, TF is the main transformer, L is the feeder, FB is the load cutting switch, LB is the tie switch, and F is the power equipment.

[0118] In order to facilitate the system to perform scheduling, in an optional implementation, the above device further includes:

[0119] A second acquisition unit is used to acquire historical operation data of the substation, determine the first transformer and the first feeder based on the historical operation data, record the IDs of the first transformer and the first feeder, and obtain a target ID;

[0120] Specifically, when the main transformer and the feeder are severely overloaded, the ID of the corresponding severely overloaded device is recorded to obtain the above target ID.

[0121] A third acquisition unit is used to record the start time and the end time of the heavy overload phenomenon corresponding to the first transformer and the first feeder respectively, to obtain a first time and a second time;

[0122] Specifically, after recording the above-mentioned target ID, in order to facilitate early prediction of load transfer, it is necessary to record the time period when the above-mentioned first transformer and the above-mentioned first feeder are severely overloaded, and perform load transfer in the corresponding time period. Therefore, this application is set to record the above-mentioned first moment and the above-mentioned second moment.

[0123] a fourth acquisition unit, configured to record the real-time current of the first transformer and the first feeder between the first moment and the second moment to obtain a first target current, and obtain the rated current of the first transformer and the first feeder to obtain a second target current;

[0124] Specifically, in order to ensure that before and after the load transfer, the lines to which the above-mentioned first transformer and the above-mentioned first feeder belong are not severely overloaded, the present application is configured to record the historical current and rated current of the above-mentioned first transformer and the above-mentioned first feeder when the severe overload phenomenon occurs, and obtain the above-mentioned first target current and the above-mentioned second target current to facilitate subsequent scheduling.

[0125] A generating unit is used to generate a heavy overload record according to the target ID, the first moment, the second moment, the first target current and the second target current.

[0126] Specifically, a list is generated according to the target ID, the first moment, the second moment, the first target current and the second target current for load transfer, that is, the heavy overload record is obtained.

[0127] In order to ensure the accuracy of load transfer, in an optional implementation manner, the first determining unit includes:

[0128] A first determination module is used to, according to the target ID, take the first moment corresponding to the target ID as the start moment of the preset duration, traverse the heavy overload records, and determine the heavy overload records corresponding to the same target ID and whose first moment is before the end moment of the preset duration as target records;

[0129] Specifically, starting from the above-mentioned first moment, all the above-mentioned heavy overload records are traversed, and it is searched whether there are other heavy overload records of the above-mentioned first transformer and the first feeder corresponding to the above-mentioned target ID, and the heavy overload record whose time length from the corresponding first moment to the first first moment is less than or equal to the above-mentioned preset time length is determined as the above-mentioned target record.

[0130] It can be understood that the above target record is used to verify the number of times the above first transformer and the first feeder experience a severe overload phenomenon within the above preset time period.

[0131] A first calculation module is used for, when the number of the target records is greater than the first threshold, sorting the first moment and the second moment in the target records, calculating the difference between the first data point and the last data point, and obtaining a first target duration;

[0132] Specifically, when the number of times that the first transformer and the first feeder experience heavy overload phenomena within the preset time period is greater than the first threshold, it is determined that continuous heavy overload phenomena occur in the first transformer and the first feeder, and then verification is performed based on the duration of the continuous heavy overload phenomenon, specifically by calculating the difference between the first data point and the last data point to obtain the first target duration.

[0133] The second determination module is used to determine the first transformer and the first feeder as devices to be adjusted when the first target duration is greater than a second threshold.

[0134] Specifically, when the duration of the continuous heavy overload phenomenon exceeds the set value, that is, when the above-mentioned first target duration is greater than the second threshold, it is determined that the probability of the first transformer and the first feeder experiencing heavy overload phenomena during this period is high, and the above-mentioned first transformer and the above-mentioned first feeder are determined as the equipment to be adjusted.

[0135] In order to determine the target device for transfer, in an optional implementation manner, the second determination unit includes:

[0136] A third determining module is used to determine the line to which the above-mentioned device to be adjusted belongs according to the above-mentioned device to be adjusted, and obtain a first target line;

[0137] Specifically, based on the positioning of the device to be adjusted on the topological map, the line to which the device to be adjusted belongs is determined to obtain a first target line.

[0138] In a specific embodiment, Figure 2 As shown, the overload line L1 is the first target line mentioned above.

[0139] A fourth determination module is used to traverse the substation topology map based on the first target line, and determine the line connected with the first target line as the transfer candidate device;

[0140] Specifically, based on the positioning of the first target line on the topological map, and searching for the line connected by the first target line, it is determined to be a transferable line, and the transferable line includes the opposite feeder and the transformer corresponding to the feeder, and the transfer candidate equipment is determined.

[0141] In a specific embodiment, Figure 2 As shown, the transferable power supply lines are L2, L3, and L4, corresponding to transformers TF2, TF3, and TF4 respectively, and the transfer switches are LB1, LB2, and LB3.

[0142] The fifth determination module is used to determine the above-mentioned transfer alternative device as the above-mentioned transfer target device after the above-mentioned device to be adjusted is switched to the above-mentioned transfer alternative device for power supply, and the above-mentioned transfer alternative device does not suffer from the above-mentioned heavy overload phenomenon.

[0143] Specifically, after simulating the transfer of the load of the above-mentioned equipment to be adjusted to the transfer alternative equipment, check whether the load to be adjusted and transferred will cause the opposite transformer to be overloaded. Specifically, check whether the load of the transformers on both sides does not exceed the load rate R. If so, record it as the transfer target equipment, otherwise, the above-mentioned transfer alternative equipment cannot be transferred.

[0144] In order to ensure that after the above-mentioned device to be adjusted is switched to the above-mentioned alternative power supply device for power supply, the above-mentioned alternative power supply device does not suffer from the above-mentioned heavy overload phenomenon, in an optional implementation manner, the above-mentioned device further includes:

[0145] A first calculation unit is used for calculating the average historical load of the supply alternative device between the first moment and the second moment based on the historical operation data corresponding to the supply alternative device between the first moment and the second moment corresponding to the device to be adjusted, before determining the supply alternative device as the supply target device, to obtain a first historical load;

[0146] Specifically, the average load history of the transferable feeder is obtained. The Q-day calendar load data of the transferable line in the automation system is obtained, and each time point from T0 to T1 is recorded, and the historical load average value of the transfer line in the period from T0 to T1 is calculated to obtain the above-mentioned first historical load.

[0147] In a specific embodiment, Figure 2 As shown, the historical load average value I of the transfer lines L1, L2, L3, and L4 within Q days is calculated. L1T0 ~I L1T1 , I L2T0 ~I L2T1 , I L3T0 ~I L3T1 , I L4T0 ~I L4T1 ; Among them, I L1T0 =AVG(I L 1QT0 +I L1Q-1T0 +I L1Q-2T0 +…), I L1T1 =AVG(I L1QT1 +I L1Q-1T1 +I L1Q-2T1 +…), it can be understood that L1 is line L1, T0 is the first moment T0 corresponding to the data, T1 is the second moment T1, Q represents the data of the period Q days before, and I is the current.

[0148] In addition, the average historical load corresponding to the transformer corresponding to the transfer feeder is calculated synchronously, and the Q-day calendar load data of the transfer transformer in the automation system is obtained. At each time point from T0 to T1, the historical load average of the transfer line in the period from T0 to T1 is calculated; Figure 2 Calculate the historical load average I of the transfer lines TF1, TF2, TF3, and TF4 TF1T0 ~I TF1T1 , I TF2T0 ~I TF2T1 , I TF3T0 ~I TF3T1 , I TF4T0 ~I TF4T1 .

[0149] A second calculation unit is used to calculate the average historical load of the device to be adjusted between the first moment and the second moment based on the historical operation data corresponding to the first moment and the second moment corresponding to the device to be adjusted, so as to obtain a second historical load;

[0150] Specifically, the average historical load of each load segment is formed with feeder as the unit. Each feeder and each automatic switch with three remote functions is used as the dividing point to form a load area, and the load value of each recording point from T0 to T1 in the load area Q day is calculated. The calculation method is the load current value of the upstream automatic switch minus the load current value of the downstream automatic switch; then the average historical load of each load segment is calculated.

[0151] In a specific embodiment, Figure 2 As shown, the load value calculation of load segments F0 and F1 at time T0 Q days ago is F0QT0 =I L1QT0 -I FB11QT0， I F1QT0 =I FB11QT0 -I FB11QT0 ,…; Q day load segment F0, F1 time T1 load value calculation I F1QT1 =I FB11QT1 -I FB11QT1 , I F1QT1 =I FB11QT1 -I FB11QT1 ,…; Q-1 day ago load segment F0, F1 T0 time load value calculation I F0Q-1T0 =I L1Q-1T0 -I FB11Q-1T0， I F1Q-1T0 =I FB11Q-1T0 -I FB11Q-1T0 ,…; Q-1 daily load segment F0, F1 time T1 load value calculation I F1Q-1T1 =I FB11Q-1T1 -I FB11Q-1T1 , I F1Q-1T1 =I FB11Q-1T1 -I FB11Q-1T1 ,…; within Q days, the average load value at time T0 of load sections F0 and F1 is: I F0T0 =AVG(I F0QT0 +I F0Q-1T0 +I F0Q-2T0 +…), I F1T0 =AVG(I F1QT0 +I F1Q-1T0 +I F1Q-2T0 +…).

[0152] The third calculation unit is used to determine that the above-mentioned alternative transfer equipment will not suffer from the above-mentioned heavy overload phenomenon after the above-mentioned equipment to be adjusted is switched to the above-mentioned alternative transfer equipment for power supply when the sum of the above-mentioned first historical load and the above-mentioned second historical load is less than the maximum load of the above-mentioned alternative transfer equipment.

[0153] Specifically, the load sections and load split switches that need to be adjusted and transferred are calculated. Based on the topological connection relationship, the average load of each section is superimposed on the transferable line, with the goal that the load of both lines does not exceed R after the transfer.

[0154] In a specific embodiment, Figure 2 As shown, first simulate disconnecting FB15 and closing the contact switch LB1, superimpose the average load of F5 on L2, and check whether there is [I' L1T0 <R·I L1E ]~[I L1T1 ' <R·I L1E ],[I' L2T0 <R·I L2E ]~[I' L2T1 <R·I L2E ], if so, record it as a transferable solution, calculate the maximum load rate of the two lines, record the tie switch LB1, load shedding switch FB15, where I' L1T0 =I F0T0 +I F1T0 +I F2T0 +I F3T0 +I F4T0 , I' L2T0 =I L2T0 +I F5T0 ;…;I' L1T1 =I F0T1 +I F1T1 +I F2T1 +I F3T1 +I F4T1 , I' L2T1 =I L2T0 +I F5T1 Then, by analogy, simulate disconnecting FB14, closing the tie switch LB1, superimposing the average load of F5 and F4 on L2, and checking whether there is [I' L1T0 <R·I L1E ]~[I' L1T1 <R·I L1E ],[I' L2T0 <R·I L2E ]~[I' L2T1 <R·I L2E ], if so, record it as a transferable solution, calculate the maximum load rate of the two lines, record the tie switch LB1, load shedding switch FB14, where I' L1T0 =IF0T0 +I F1T0 +I F2T0 +I F3T0 , I' L2T0 =I L2T0 +I F5T0 +I F4T0 ;…;I' L1T1 =I F0T1 +I F1T1 +I F2T1 +I F3T1 , I' L2T1 =I L2T0 +I F5T1 +I F4T1 And so on, until all load transfer schemes are simulated.

[0155] In order to ensure safe operation after load transfer, in an optional implementation manner, the second determination unit further includes:

[0156] A sixth determination module, configured to traverse the substation topology map according to the supply transfer candidate device, and determine the side transformer connected to the supply transfer candidate device as the second transformer;

[0157] Specifically, check whether the load to be adjusted and transferred will cause a severe overload on the transformer on the opposite side.

[0158] A second calculation module is used to calculate the historical average load of the second transformer based on the historical operation data corresponding to the first moment and the second moment corresponding to the second transformer, so as to obtain a third historical load;

[0159] The seventh determination module is used to determine the above-mentioned transfer candidate device as the above-mentioned transfer target device when the above-mentioned third historical load is less than or equal to the maximum load of the above-mentioned second transformer.

[0160] In a specific embodiment, first simulate disconnecting FB15, closing the tie switch LB1, superimposing the average load of F5 on TF2, and checking whether there is [I' TF1T0 <R·I TF1E ]~[I TF1T1 ' <R·I TF1E ],[I' TF2T0 <R·I TF2E ]~[I' TF2T1 <R·I TF2E ], if so, record it as a transferable solution, calculate the maximum load rate of the two lines, record the tie switch LB1, load shedding switch FB15, where I' TF1T0 =I F0T0 +I F1T0 +I F2T0 +IF3T0 +I F4T0 , I' TF2T0 =I TF2T0 +I F5T0 ;…;

[0161] I' TF1T1 =I F0T1 +I F1T1 +I F2T1 +I F3T1 +I F4T1 , I' TF2T1 =I TF2T0 +I F5T1 .

[0162] In order to implement power supply switching of the device to be adjusted, in an optional implementation manner, the third determining unit includes:

[0163] An eighth determination module is used to traverse the substation topology map according to the above-mentioned equipment to be adjusted and the above-mentioned target equipment for transfer, and determine the load cutting switch required to disconnect the connection between the above-mentioned equipment to be adjusted and the current line to which it belongs and the connecting switch required to close the connection between the above-mentioned equipment to be adjusted and the above-mentioned target equipment for transfer as the above-mentioned target switch;

[0164] Specifically, according to the substation topology map traversed by the above-mentioned equipment to be regulated and the above-mentioned target equipment for transfer, the load cutting switch required to disconnect the connection between the above-mentioned equipment to be regulated and the current line to which it belongs and the connecting switch required to close the connection between the above-mentioned equipment to be regulated and the above-mentioned target equipment for transfer are determined as the above-mentioned target switches.

[0165] A sending module, used for sending a first instruction to the above-mentioned tie switch, and sending a second instruction to the above-mentioned load shedding switch when the first instruction is successfully executed, wherein the above-mentioned second instruction is used for instructing the switch to be disconnected, and the above-mentioned first instruction is used for instructing the switch to be closed;

[0166] Specifically, the connecting switch is controlled to be closed, the load shedding switch is opened, a corresponding instruction is generated, and the connecting switch is closed preferentially.

[0167] A ninth determination module, configured to determine that the device to be adjusted is successfully switched to the target device for power supply if the second instruction is successfully executed;

[0168] Specifically, after the load shedding switch is successfully disconnected, the switching of the equipment to be adjusted is completed.

[0169] The tenth determination module is used to redetermine the corresponding target switch based on the device to be adjusted and other target devices for transfer when the execution of the second instruction or the first instruction fails, and resend the first instruction and the second instruction to the updated target switch until the device to be adjusted successfully switches to the target device for transfer for power supply.

[0170] Specifically, when determining the transfer target device, if there are multiple transfer target devices, if one of the transfer target devices fails to switch, the next transfer target device is switched, and switching is performed again until the switching is successful, or all the transfer target devices fail to switch.

[0171] In one embodiment, the present application further provides an automatic switch-back function for the equipment to be adjusted. Optionally, a load adjustment time margin Y=5 minutes is set.

[0172] Close the corresponding interconnection switch and disconnect the load-splitting switch by remote control at the preset time. Set the load transfer plan execution timer, and the execution time is T0-Y. Close the interconnection switch and disconnect the load-cutting switch. If the transfer is successful, set the plan execution timer, and the execution time is T1+Y, start the execution, and reverse the operation, first close the load-cutting switch, then disconnect the interconnection switch, and return to normal operation. Repeat the operation of the equipment that needs load transfer until all transfers are completed.

[0173] The load adjustment device for preventing circuit heavy overload comprises a processor and a memory, wherein the first acquisition unit, the first determination unit, the second determination unit and the third determination unit are all stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions. The modules are all located in the same processor; or, the modules are located in different processors in any combination.

[0174] The processor includes a kernel, which calls the corresponding program unit from the memory. One or more kernels can be set, and automatic load transfer of the load can be achieved by adjusting the kernel parameters.

[0175] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one memory chip.

[0176] An embodiment of the present invention provides a computer-readable storage medium, which includes a stored program, wherein when the program is executed, the device where the computer-readable storage medium is located is controlled to execute the load adjustment method for preventing circuit overload.

[0177] Specifically, the load regulation method for preventing circuit heavy overload includes:

[0178] Step S201, acquiring historical operation data of the substation, and determining a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer that is severely overloaded within a first preset period of time, and the first feeder is a feeder that is severely overloaded within the first preset period of time;

[0179] Step S202, determining the first transformer and / or the first feeder whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold as a device to be adjusted;

[0180] Step S203, determining a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, in addition to the line to which the device to be adjusted currently belongs;

[0181] Step S204, determining a target switch according to the device to be adjusted and the target device to be transferred, and controlling the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device to be transferred, so as to realize power supply from the target device to the device to be adjusted.

[0182] An embodiment of the present invention provides a processor, and the processor is used to run a program, wherein the load adjustment method for preventing a circuit from being severely overloaded is executed when the program is run.

[0183] Specifically, the load regulation method for preventing circuit heavy overload includes:

[0184] Step S201, acquiring historical operation data of the substation, and determining a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer that is severely overloaded within a first preset period of time, and the first feeder is a feeder that is severely overloaded within the first preset period of time;

[0185] Step S202, determining the first transformer and / or the first feeder whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold as a device to be adjusted;

[0186] Step S203, determining a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, in addition to the line to which the device to be adjusted currently belongs;

[0187] Step S204, determining a target switch according to the device to be adjusted and the target device to be transferred, and controlling the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device to be transferred, so as to realize power supply from the target device to the device to be adjusted.

[0188] An embodiment of the present invention provides a power system, the power system comprising a domain processor, a memory, and a program stored in the memory and executable on the processor, and when the processor executes the program, at least the following steps are implemented:

[0189] Step S201, acquiring historical operation data of the substation, and determining a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer that is severely overloaded within a first preset period of time, and the first feeder is a feeder that is severely overloaded within the first preset period of time;

[0190] Step S202, determining the first transformer and / or the first feeder whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold as a device to be adjusted;

[0191] Step S203, determining a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, in addition to the line to which the device to be adjusted currently belongs;

[0192] Step S204, determining a target switch according to the device to be adjusted and the target device to be transferred, and controlling the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device to be transferred, so as to realize power supply from the target device to the device to be adjusted.

[0193] The present application also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program for initializing at least the following method steps:

[0194] Step S201, acquiring historical operation data of the substation, and determining a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer that is severely overloaded within a first preset period of time, and the first feeder is a feeder that is severely overloaded within the first preset period of time;

[0195] Step S202, determining the first transformer and / or the first feeder whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold as a device to be adjusted;

[0196] Step S203, determining a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, in addition to the line to which the device to be adjusted currently belongs;

[0197] Step S204, determining a target switch according to the device to be adjusted and the target device to be transferred, and controlling the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device to be transferred, so as to realize power supply from the target device to the device to be adjusted.

[0198] Obviously, those skilled in the art should understand that the above modules or steps of the present invention can be implemented by a general computing device, they can be concentrated on a single computing device, or distributed on a network composed of multiple computing devices, they can be implemented by a program code executable by a computing device, so that they can be stored in a storage device and executed by the computing device, and in some cases, the steps shown or described can be executed in a different order than here, or they can be made into individual integrated circuit modules, or multiple modules or steps therein can be made into a single integrated circuit module for implementation. Thus, the present invention is not limited to any specific combination of hardware and software.

[0199] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that include computer-usable program code.

[0200] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0201] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0202] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0203] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0204] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0205] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0206] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0207] From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:

[0208] 1) The load regulation method for preventing circuit heavy overload of the present application, first, obtains historical operation data of the substation, and determines the first transformer and the first feeder based on the above historical operation data, the above first transformer is a transformer with heavy overload phenomenon in a first preset time period, and the above first feeder is a feeder with heavy overload phenomenon in the first preset time period; then, the above first transformer and / or the above first feeder whose number of the above heavy overload phenomenon occurring within a preset time period is greater than a first threshold value are determined as the device to be regulated; thereafter, the transfer target device is determined according to the above device to be regulated, and the above transfer target device is a feeder and a main transformer that can supply power to the above device to be regulated in addition to the line to which the above device to be regulated currently belongs; finally, the target switch is determined according to the above device to be regulated and the above transfer target device, and the above target switch is controlled to cut off the connection between the above device to be regulated and the current line to which it belongs and connect the above device to be regulated with the above transfer target device, so as to realize the power supply of the above device to be regulated by the above transfer target device. The present application sets the operating parameters of the substation based on the past preset time period, predicts the heavy overload situation of the substation main transformer and feeder, and based on the prediction, transfers the load in advance to the main substation and feeder with the risk of heavy overload, switches the power load from the current line to other lines, ensures the normal power supply of the equipment while avoiding the heavy overload phenomenon, and reduces the heavy overload of the power grid equipment caused by uneven load distribution. This method solves the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art.

[0209] 2) The load regulation device for preventing circuit heavy overload of the present application, the first acquisition unit acquires the historical operation data of the substation, and determines the first transformer and the first feeder based on the above historical operation data, the above first transformer is a transformer with heavy overload phenomenon in the first preset time period, and the above first feeder is a feeder with heavy overload phenomenon in the first preset time period; the first determination unit determines the above first transformer and / or the above first feeder as the device to be regulated if the number of times the above heavy overload phenomenon occurs within the preset time period is greater than the first threshold; the second determination unit determines the transfer target device according to the above device to be regulated, the above transfer target device is a feeder and a main transformer that can supply power to the above device to be regulated in addition to the line to which the above device to be regulated currently belongs; the third determination unit determines the target switch according to the above device to be regulated and the above transfer target device, and controls the above target switch to cut off the connection between the above device to be regulated and the current line and connect the above device to be regulated with the above transfer target device, so as to realize the power supply of the above device to be regulated by the above transfer target device. The present application is set up based on the operating parameters of the substation within a preset time period in the past, predicts the heavy overload situation of the substation main transformer and feeder, and based on the prediction, transfers the load in advance to the main substation and feeder with the risk of heavy overload, switches the power load from the current line to other lines, ensures the normal power supply of the equipment while avoiding the heavy overload phenomenon, and reduces the heavy overload of the power grid equipment caused by uneven load distribution. The device solves the problem of low equipment stability and power supply reliability caused by manual load transfer control in the prior art.

[0210] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A load regulation method for preventing a circuit from being overloaded, characterized in that: include: Acquire historical operation data of the substation, and determine a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer that is heavily overloaded within a first preset period of time, and the first feeder is a feeder that is heavily overloaded within the first preset period of time; Determine the first transformer and / or the first feeder, whose number of occurrences of the heavy overload phenomenon within a preset time period is greater than a first threshold, as a device to be adjusted; Determine a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, except for the line to which the device to be adjusted currently belongs; A target switch is determined according to the device to be regulated and the target device to be transferred, and the target switch is controlled to cut off the connection between the device to be regulated and the current line to which it belongs and connect the device to be regulated with the target device to be transferred, so that the target device to be transferred supplies power to the device to be regulated.

2. The method according to claim 1, characterized in that After acquiring historical operation data of the substation and determining the first transformer and the first feeder based on the historical operation data, the method further includes: Record the IDs of the first transformer and the first feeder to obtain a target ID; Respectively record the start time and the end time of the heavy overload phenomenon corresponding to the first transformer and the first feeder to obtain a first time and a second time; Record the real-time current of the first transformer and the first feeder between the first moment and the second moment to obtain a first target current, and obtain the rated current of the first transformer and the first feeder to obtain a second target current; A heavy overload record is generated according to the target ID, the first time, the second time, the first target current, and the second target current.

3. The method according to claim 2, characterized in that When the number of times the heavy overload phenomenon occurs in the first transformer and the first feeder within a preset time period is greater than a first threshold, determining the first transformer and the first feeder as devices to be adjusted includes: According to the target ID, taking the first moment corresponding to the target ID as the start moment of the preset duration, traversing the heavy overload records, and determining the heavy overload records with the same target ID and the first moment before the end moment of the preset duration as the target record; When the number of the target records is greater than the first threshold, sorting the first time and the second time in the target records, calculating the difference between the first data point and the last data point, and obtaining a first target duration; When the first target duration is greater than a second threshold, the first transformer and the first feeder are determined as devices to be adjusted.

4. The method according to claim 2, characterized in that: Determining the target device for transfer according to the device to be adjusted includes: Determine the line to which the device to be adjusted belongs according to the device to be adjusted, and obtain a first target line; Based on the substation topology diagram traversed by the first target line, a line in communication with the first target line is determined as a transfer candidate device; After the device to be adjusted is switched to the alternative transfer device for power supply, if the alternative transfer device does not suffer from the severe overload phenomenon, the alternative transfer device is determined as the target transfer device.

5. The method according to claim 4, characterized in that Before determining the transfer candidate device as the transfer target device, the method further includes: Based on the historical operation data corresponding to the alternate transfer device between the first moment and the second moment corresponding to the device to be adjusted, calculate the average historical load of the alternate transfer device between the first moment and the second moment to obtain a first historical load; Based on the historical operation data corresponding to the first moment and the second moment corresponding to the device to be adjusted, calculate the average historical load of the device to be adjusted between the first moment and the second moment to obtain a second historical load; When the sum of the first historical load and the second historical load is less than the maximum load of the alternative transfer device, it is determined that after the device to be adjusted is transferred to the alternative transfer device for power supply, the alternative transfer device does not suffer from the heavy overload phenomenon.

6. The method according to claim 4, characterized in that Determining the transfer candidate device as the transfer target device includes: Traversing the substation topology map according to the candidate power transfer device, determining the side transformer connected to the candidate power transfer device as the second transformer; Based on the historical operation data corresponding to the first moment and the second moment corresponding to the second transformer, calculate the historical average load of the second transformer to obtain a third historical load; When the third historical load is less than or equal to the maximum load of the second transformer, the power transfer candidate device is determined as the power transfer target device.

7. The method according to claim 1, characterized in that Determining a target switch according to the device to be adjusted and the target device to be transferred, and controlling the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device to be transferred, including: According to the substation topology diagram traversed by the device to be regulated and the target device to be transferred, the load shedding switch required to disconnect the device to be regulated from the current line to which it belongs and the tie switch required to close the device to be regulated and the target device to be transferred are determined as the target switches; Sending a first instruction to the tie switch, and when the first instruction is successfully executed, sending a second instruction to the load shedding switch, wherein the second instruction is used to instruct the switch to be disconnected, and the first instruction is used to instruct the switch to be closed; In the case where the second instruction is executed successfully, determining that the device to be adjusted is successfully switched to the target device for power supply; In the event that the execution of the second instruction or the first instruction fails, the corresponding target switch is redetermined based on the device to be regulated and the other target devices for transfer, and the first instruction and the second instruction are resent to the updated target switch until the device to be regulated successfully switches to the target device for transfer for power supply.

8. A load regulating device for preventing a circuit from being overloaded, characterized in that: The device comprises: A first acquisition unit is used to acquire historical operation data of the substation, and determine a first transformer and a first feeder based on the historical operation data, wherein the first transformer is a transformer with a heavy overload phenomenon in a first preset period of time, and the first feeder is a feeder with a heavy overload phenomenon in the first preset period of time; A first determining unit, configured to determine the first transformer and / or the first feeder, for which the number of times the heavy overload phenomenon occurs within a preset time period is greater than a first threshold, as a device to be adjusted; A second determining unit is used to determine a target device for power transfer according to the device to be adjusted, wherein the target device for power transfer is a feeder and a main transformer that can supply power to the device to be adjusted, except for the line to which the device to be adjusted currently belongs; The third determination unit is used to determine the target switch according to the device to be adjusted and the target device for transfer, and control the target switch to cut off the connection between the device to be adjusted and the current line to which it belongs and connect the device to be adjusted with the target device for transfer, so as to realize the power supply of the target device for transfer to the device to be adjusted.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium includes a stored program, wherein when the program is executed, the device where the computer-readable storage medium is located is controlled to execute the method according to any one of claims 1 to 7.

10. A power system, characterized in that: include: One or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include methods for executing any one of claims 1 to 7.

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