Method and device for regulating and controlling initial power utilization time of flexible load and computer equipment

Abstract

The invention relates to a method and device for regulating and controlling the initial power utilization time of a flexible load and computer equipment. The method comprises the following steps: acquiring line head end voltages of the low-voltage distribution network at different moments and flexible load operation data of each user in the low-voltage distribution network, and obtaining flexible load voltage ratios at different moments based on the flexible load operation data and the line head end voltages; inputting the flexible load voltage ratios at different moments into a pre-constructed flexible load initial power consumption time regulation and control model, and obtaining target flexible load initial power consumption time of each user under the conditions that a preset constraint condition is met and a target function in the flexible load initial power consumption time regulation and control model is converged, and adjusting the initial power consumption time of the flexible load of each user to the initial power consumption time of each target flexible load. By adopting the method, the regulation and control means for regulating and controlling the flexible load of the low-voltage power distribution network is simplified, and the regulation and control efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of voltage control technology, and in particular to a method, device, computer equipment, computer-readable storage medium and computer program product for regulating the starting power consumption time of a flexible load. Background Art

[0002] The reactive power compensation equipment such as capacitors of power grid companies are generally only installed at the head end of distribution transformers. The role of voltage regulation is more reflected in reducing the reactive power flow on the 10KV line to increase the 10KV line voltage, thereby increasing the voltage of the distribution transformer. However, for the 0.4KV low-voltage distribution network, the active power and reactive power of user electricity consumption have not been reduced. There is still a large power flow in the low-voltage distribution network, which is prone to low voltage problems for users.

[0003] Among the user's electricity loads, loads such as washing machines and dishwashers, which have fixed power consumption and duration, and whose electricity consumption time can be adjusted, have certain dispatching potential and are collectively referred to as "flexible loads". The flexible response characteristics of flexible loads have brought new control methods to the voltage control of low-voltage distribution networks.

[0004] However, the current flexible load control of low-voltage distribution networks generally requires refined low-voltage distribution network modeling, which has the problem of low control efficiency. Summary of the invention

[0005] Based on this, it is necessary to provide a method, device, computer equipment, computer-readable storage medium and computer program product for controlling the starting power consumption time of flexible loads, which can improve the control efficiency, in response to the above technical problems.

[0006] In a first aspect, the present application provides a method for regulating the starting power consumption time of a flexible load, comprising:

[0007] Collect the line head voltage of the low-voltage distribution network at different times, as well as the flexible load operation data of each user in the low-voltage distribution network;

[0008] Based on the operation data of each flexible load and the voltage at the first end of the line, the flexible load voltage ratio at different times is obtained;

[0009] The flexible load voltage ratio at different times is input into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when the preset constraints are met and the objective function in the flexible load starting power consumption time control model converges;

[0010] The starting power consumption time of each user's flexible load is adjusted to the starting power consumption time of each target flexible load.

[0011] In one embodiment, each flexible load operation data includes each user's flexible load start operation time, flexible load operation duration, and flexible load operation power;

[0012] Based on the operation data of each flexible load and the voltage at the head end of the line, the flexible load voltage ratio at different times is obtained, including:

[0013] According to the flexible load start operation time of each user and the flexible load operation time of each user, the flexible load operation time period associated with each user is obtained;

[0014] The current time is obtained, and according to the flexible load operation time period associated with each user, a target user whose flexible load operation time period includes the current time is obtained from each user; the current time is any one of the different times;

[0015] According to the flexible load operating power of each target user and the line head end voltage, the flexible load voltage ratio corresponding to the current moment is obtained.

[0016] In one embodiment, the flexible load voltage ratio corresponding to the current moment is obtained according to the flexible load operating power of each target user and the line head end voltage, including:

[0017] The flexible load operating power of each target user is summed up to obtain the corresponding flexible load cumulative value at the current moment;

[0018] The flexible load voltage ratio corresponding to the current moment is obtained by dividing the flexible load cumulative value by the line head end voltage.

[0019] In one embodiment, the preset constraints include: distribution transformer safety power constraints, operation time constraints, continuous operation time constraints, and response willingness constraints; obtaining the target flexible load start power consumption time of each user when the preset constraints are met and the objective function in the flexible load start power consumption time control model converges includes:

[0020] When the cumulative value of the flexible load meets the safety power constraint of the distribution transformer, the load start power consumption time meets the operation time constraint, the continuous operation time meets the continuous operation time constraint, and the control willingness of each user meets the response willingness constraint, if the objective function obtains the minimum value, it is determined that the objective function converges;

[0021] Obtaining the target flexible load starting power consumption time of each user when the objective function converges;

[0022] Among them, the distribution transformer safety power constraint condition indicates that the cumulative value of the flexible load is not greater than the preset maximum load cumulative value, the operating period constraint condition indicates that the adjusted load starting power consumption time is not less than the preset flexible load starting adjustable time, the continuous operation time constraint condition indicates that the adjusted flexible load operation time remains unchanged, and the response willingness constraint condition indicates whether each user is willing to accept the regulation.

[0023] In an exemplary embodiment, the objective function is constructed by the following steps:

[0024] According to each flexible load voltage ratio, the corresponding average flexible load voltage ratio is obtained;

[0025] The voltage ratio deviation of each flexible load is obtained by subtracting the average flexible load voltage ratio from the voltage ratio of each flexible load;

[0026] The squares of the voltage ratio deviations of each flexible load are summed to obtain the flexible load voltage ratio variance;

[0027] The average value of the flexible load voltage ratio variance is obtained and the average value is used as the objective function.

[0028] In one embodiment, the method further comprises:

[0029] The maximum flexible load operating power of each user at the current moment is obtained, and the maximum flexible load power is added up to obtain the maximum flexible load cumulative value at the current moment, and the maximum flexible load cumulative value is used as the preset maximum flexible load cumulative value at the corresponding moment;

[0030] The flexible load start adjustable time associated with each user is obtained, and the flexible load start adjustable time is used as the preset flexible load start adjustable time corresponding to each user.

[0031] In a second aspect, the present application also provides a flexible load starting power consumption time control device, comprising:

[0032] The acquisition module is used to collect the line head end voltage of the low-voltage distribution network at different times, as well as the flexible load operation data of each user in the low-voltage distribution network;

[0033] An acquisition module, used to obtain the flexible load voltage ratio at different times based on the operation data of each flexible load and the voltage at the first end of the line;

[0034] An input module is used to input the flexible load voltage ratio at different times into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when the preset constraint conditions are met and the objective function in the flexible load starting power consumption time control model converges;

[0035] The control module is used to adjust the starting power consumption time of each user's flexible load to the starting power consumption time of each target flexible load.

[0036] In a third aspect, the present application further provides a computer device, including a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the following steps are implemented:

[0037] Collect the line head voltage of the low-voltage distribution network at different times, as well as the flexible load operation data of each user in the low-voltage distribution network;

[0038] Based on the operation data of each flexible load and the voltage at the first end of the line, the flexible load voltage ratio at different times is obtained;

[0039] The flexible load voltage ratio at different times is input into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when the preset constraints are met and the objective function in the flexible load starting power consumption time control model converges;

[0040] The starting power consumption time of each user's flexible load is adjusted to the starting power consumption time of each target flexible load.

[0041] In a fourth aspect, the present application further provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the following steps are implemented:

[0042] Collect the line head voltage of the low-voltage distribution network at different times, as well as the flexible load operation data of each user in the low-voltage distribution network;

[0043] Based on the operation data of each flexible load and the voltage at the first end of the line, the flexible load voltage ratio at different times is obtained;

[0044] The flexible load voltage ratio at different times is input into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when the preset constraints are met and the objective function in the flexible load starting power consumption time control model converges;

[0045] The starting power consumption time of each user's flexible load is adjusted to the starting power consumption time of each target flexible load.

[0046] In a fifth aspect, the present application further provides a computer program product, including a computer program, which implements the following steps when executed by a processor:

[0047] Collect the line head voltage of the low-voltage distribution network at different times, as well as the flexible load operation data of each user in the low-voltage distribution network;

[0048] Based on the operation data of each flexible load and the voltage at the first end of the line, the flexible load voltage ratio at different times is obtained;

[0049] The flexible load voltage ratio at different times is input into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when the preset constraints are met and the objective function in the flexible load starting power consumption time control model converges;

[0050] The starting power consumption time of each user's flexible load is adjusted to the starting power consumption time of each target flexible load.

[0051] The above-mentioned flexible load starting power consumption time control method, device, computer equipment, computer-readable storage medium and computer program product collect the line head voltage of the low-voltage distribution network at different times, and the flexible load operation data of each user in the low-voltage distribution network, and obtain the flexible load voltage ratio at different times based on the flexible load operation data and the line head voltage, and input the flexible load voltage ratio at different times into the pre-constructed flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user that meets the preset constraints and converges the objective function in the flexible load starting power consumption time control model, and adjust the flexible load starting power consumption time of each user to each target flexible load starting power consumption time. By introducing the flexible load voltage ratio and using the flexible load voltage ratio as the measurement standard for adjusting the flexible load starting power consumption time, the control means for the flexible load control of the low-voltage distribution network are simplified and the control efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the drawings required for use in the embodiments of the present application or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0053] FIG1 is a diagram showing an application environment of a method for controlling the starting power consumption time of a flexible load in one embodiment;

[0054] FIG2 is a schematic flow chart of a method for controlling the starting power consumption time of a flexible load in one embodiment;

[0055] FIG3 is a schematic diagram of a process for obtaining a flexible load voltage ratio in one embodiment;

[0056] FIG4 is a structural block diagram of a device for controlling the starting power consumption time of a flexible load in one embodiment;

[0057] FIG. 5 is a diagram showing the internal structure of a computer device in one embodiment. DETAILED DESCRIPTION

[0058] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0059] The flexible load start power consumption time control method provided in the embodiment of the present application can be applied to the application environment shown in Figure 1. Among them, the server 102 communicates with the low-voltage distribution network through the network. The data storage system can store the data that the server 102 needs to process. The data storage system can be integrated on the server 102, or it can be placed on the cloud or other network servers. The server 102 collects the line head voltage of the low-voltage distribution network at different times, and the flexible load operation data of each user in the low-voltage distribution network, and obtains the flexible load voltage ratio at different times based on the operation data of each flexible load and the line head voltage, and then inputs the flexible load voltage ratio at different times into the pre-constructed flexible load start power consumption time control model to obtain the target flexible load start power consumption time of each user under the condition that the constraint conditions are met and the objective function in the flexible load start power consumption time control model converges, and finally adjusts the flexible load start power consumption time of each user to the target flexible load start power consumption time. Among them, the server 102 can be an independent physical server, or a server cluster or distributed system composed of multiple physical servers, or a cloud server providing cloud computing services.

[0060] In an exemplary embodiment, as shown in FIG2 , a method for regulating the starting power consumption time of a flexible load is provided, and the method is applied to the server 102 in FIG1 as an example for description, and includes the following steps S201 to S204. Among them:

[0061] Step S201, collecting the line head end voltage of the low voltage distribution network at different times, and the flexible load operation data of each user in the low voltage distribution network.

[0062] Among them, flexible load can be understood as equipment in the power system that can flexibly adjust its load characteristics according to changes in power supply and demand, such as dishwashers, water heaters, charging stations, etc. The low-voltage distribution network can be understood as a distribution network that provides electricity to users with a lower voltage.

[0063] Optionally, the server 102 collects the line head voltage of the low-voltage distribution network at different times, and the flexible load operation data of each user in the low-voltage distribution network, wherein the total collection time may be one day, and the interval time length between each collection point may be one minute. Through the above data collection, a data foundation is laid for the subsequent acquisition of the corresponding flexible load voltage ratio, and the collection of multiple data points with the same interval also improves the generalization ability of the data.

[0064] Step S202, based on the operation data of each flexible load and the voltage at the head end of the line, obtain the flexible load voltage ratio at different times.

[0065] Step S203, inputting the flexible load voltage ratio at different times into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when preset constraints are met and the objective function in the flexible load starting power consumption time control model converges.

[0066] Step S204: adjusting the flexible load power consumption start time of each user to the target flexible load power consumption start time.

[0067] The target flexible starting power consumption time can be understood as the starting power consumption time when the flexible load curve of each user tends to be flat at the current moment. At this time, the voltage demand of the system is relatively stable, and the voltage configuration is relatively simple.

[0068] For example, based on the operation data of each flexible load and the voltage at the head end of the line, the server 102 obtains the flexible load voltage ratio at different times, then inputs the flexible load voltage ratio at different times into the pre-built flexible load starting power consumption time control model, and obtains the target flexible load starting power consumption time of each user under the condition that the preset constraints are met and the objective function in the flexible load starting power consumption time control model converges, and finally adjusts the flexible load starting power consumption time of each user to the target flexible load starting power consumption time. By introducing the flexible load voltage ratio as a measure of the flexible load control of the low-voltage distribution network, the need for refined modeling in the flexible load control is avoided, thereby improving the control efficiency of the flexible load.

[0069] In the above-mentioned flexible load starting power consumption time control method, by collecting the line head voltage of the low-voltage distribution network at different times and the flexible load operation data of each user in the low-voltage distribution network, based on the flexible load operation data and the line head voltage, the flexible load voltage ratio at different times is obtained, and the flexible load voltage ratio at different times is input into the pre-constructed flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user that meets the preset constraints and converges the objective function in the flexible load starting power consumption time control model, and the flexible load starting power consumption time of each user is adjusted to each target flexible load starting power consumption time. By introducing the flexible load voltage ratio and taking the flexible load voltage ratio as the measurement standard for adjusting the flexible load starting power consumption time, the control means of flexible load control of the low-voltage distribution network is simplified and the control efficiency is improved.

[0070] In an exemplary embodiment, each flexible load operation data includes each user's flexible load start operation time, flexible load operation duration and flexible load operation power, as shown in FIG3 , based on each flexible load operation data and the line head end voltage, the flexible load voltage ratio at different times is obtained, including steps S301 to S303. Wherein:

[0071] Step S301 : obtaining a flexible load operation time period associated with each user according to the flexible load start operation time of each user and the flexible load operation duration of each user.

[0072] Optionally, when the server 102 adds the flexible load start time and the flexible load operation time of the user, when the summed period is greater than the total collection period, the flexible load operation period associated with the user is the period from the flexible load start time to the total collection period, and from zero to the summed period minus the total collection period; when the summed period is not greater than the total collection period, the flexible load operation period associated with the user is the period from the flexible load start time to the summed period. By obtaining the flexible load operation period associated with each user, a data foundation is laid for the subsequent acquisition of the target user at the current moment.

[0073] Step S302, obtaining the current time, and obtaining target users whose flexible load operation time period includes the current time from each user according to the flexible load operation time period associated with each user; the current time is any one of the different times.

[0074] Step S303, obtaining the flexible load voltage ratio corresponding to the current moment according to the flexible load operating power of each target user and the line head end voltage.

[0075] For example, the server 102 obtains the current moment of any one of the different moments, and the flexible load operation time period associated with each user, obtains the target user whose flexible load operation time period includes the current moment from each user, that is, the user who is implementing flexible load operation at the current moment, and then obtains the flexible load voltage ratio corresponding to the current moment according to the flexible load operation power of each target user and the line head voltage. Identifying the flexible load users in operation can provide a basis for power dispatching, optimize the allocation of power resources, and improve the operation efficiency of the power grid. By calculating the flexible load voltage ratio, a measurement parameter is provided for the subsequent regulation of the starting power consumption time of the flexible load.

[0076] In one embodiment, the flexible load voltage ratio corresponding to the current moment is obtained based on the flexible load operating power of each target user and the line head end voltage, including: adding the flexible load operating power of each target user to obtain the flexible load cumulative value corresponding to the current moment; using the flexible load cumulative value divided by the line head end voltage to obtain the flexible load voltage ratio corresponding to the current moment.

[0077] Optionally, the server 102 adds up the flexible load operating power of each target user to obtain the corresponding flexible load cumulative value at the current moment, and then uses the flexible load cumulative value to divide the line head voltage to obtain the corresponding flexible load voltage ratio at the current moment, and it can be said that one flexible load voltage ratio corresponds to one collection moment. By calculating the flexible load voltage ratio, a measurement parameter is provided for the subsequent regulation of the flexible load starting power consumption time, and this measurement parameter is not for a certain moment, but for the entire total collection period, that is, the data volume is large, thus laying a solid data foundation for regulation and improving the credibility of the regulation results.

[0078] In one embodiment, the preset constraints include: distribution transformer safety power constraints, operation period constraints, continuous operation duration constraints, and response willingness constraints; obtaining the target flexible load start power consumption time of each user when the preset constraints are met and the objective function in the flexible load start power consumption time control model converges includes:

[0079] When the cumulative value of the flexible load meets the safety power constraint of the distribution transformer, the load start power consumption time meets the operation time constraint, the continuous operation time meets the continuous operation time constraint, and the control willingness of each user meets the response willingness constraint, if the objective function obtains the minimum value, it is determined that the objective function converges;

[0080] Obtaining the target flexible load starting power consumption time of each user when the objective function converges;

[0081] Among them, the distribution transformer safety power constraint condition indicates that the cumulative value of the flexible load is not greater than the preset maximum load cumulative value, the operating period constraint condition indicates that the adjusted load starting power consumption time is not less than the preset flexible load starting adjustable time, the continuous operation time constraint condition indicates that the adjusted flexible load operation time remains unchanged, and the response willingness constraint condition indicates whether each user is willing to accept the regulation.

[0082] For example, when the server 102 determines that the cumulative value of the flexible load at each moment is not greater than the preset maximum cumulative value of the load, the adjusted load start power consumption time is not less than the flexible load start adjustable time, and the adjusted flexible load operation time remains unchanged, and the control willingness of each user is willing to accept the control, if the objective function obtains the minimum value, it is determined that the objective function converges, and then the target flexible load start power consumption of each user under the condition of convergence of the objective function is obtained. When performing control, the corresponding parameters need to meet the pre-set constraints to avoid setting unreasonable parameters to achieve the minimum value of the objective function, and to avoid the unnecessary cost consumption of recalculating the target flexible load start power consumption time when it cannot be reproduced in the application.

[0083] In an exemplary embodiment, the objective function is constructed by the following steps: according to each flexible load voltage ratio, the corresponding average flexible load voltage ratio is obtained; each flexible load voltage ratio is subtracted from the average flexible load voltage ratio to obtain the deviation of each flexible load voltage ratio; each flexible load voltage ratio deviation is squared and then added to obtain the flexible load voltage ratio variance; the average value of the flexible load voltage ratio variance is obtained, and the average value is used as the objective function.

[0084] Optionally, the flexible load voltage ratios are summed and divided by the total number of acquisitions to obtain the average flexible voltage ratio, and then the flexible load voltage ratios are subtracted from the average flexible load voltage ratio to obtain the flexible load voltage ratio deviations, and then the flexible load voltage ratio deviations are squared and summed to obtain the flexible load voltage ratio variance, and finally the flexible load voltage ratio variance is divided by the total number of acquisitions to obtain the average value of the flexible load voltage ratio variance, which is used as the objective function. By statistically analyzing the flexible load voltage ratios and calculating the variance, an important quantitative basis will be provided for the operation of the power system. This process helps to improve the stability and security of the power system and provide support for future load scheduling and power grid optimization.

[0085] In one embodiment, the method also includes: obtaining the maximum flexible load operating power of each user at the current moment, and adding up the maximum flexible load powers to obtain the maximum flexible load cumulative value at the current moment, and using each maximum flexible load cumulative value as the preset maximum flexible load cumulative value at the corresponding moment; obtaining the flexible load start adjustable time associated with each user, and using each flexible load start adjustable time as the preset flexible load start adjustable time corresponding to each user.

[0086] For example, before constructing the flexible load starting power consumption time control model, the server 102 obtains the maximum flexible load operating power of each user at the current moment, and sums up the maximum flexible load power to obtain the maximum flexible load cumulative value at the current moment, and finally uses the maximum flexible load cumulative value as the preset maximum flexible load cumulative value at the corresponding moment; in addition, the server 102 also obtains the flexible load start adjustable time associated with each user, and uses the flexible load start control time as the preset flexible load start control time corresponding to each user. The preset maximum flexible load cumulative value and the preset flexible load start control time are associated with the user respectively, rather than being preset based on experience, which is well matched with the corresponding low-voltage distribution network environment, thereby ensuring the accuracy of obtaining the target flexible start power consumption time.

[0087] In an exemplary embodiment, a specific implementation of a method for regulating the starting power consumption time of a flexible load is provided:

[0088] 1. Collect the operating voltage data U at the head end of the low-voltage distribution network line n , user flexible load operation and regulation data; the user flexible load operation data includes the flexible load operation power P of the i-th user i , the flexible load operation time t of the i-th user i , the flexible load starting operation time TB of the i-th user i , the total number of users with flexible loads K; the user flexible load control data includes the flexible load start adjustable time of the i-th user (this is a constraint condition and does not involve the establishment of the model) Tb i , the maximum safe power limit of all user flexible loads superimposed at a single moment (also as a constraint condition) P safe ; Let n=1, 2, …, N; let sampling be performed once per minute, 1440 sampling points per day, N=1440; i=1, 2, …, K;

[0089] 2. Calculate the flexible load voltage ratio PU of the low-voltage distribution network at each time n :

[0090] (1) Let i = 1, and judge TB i +t i>1440 is true, if so, the flexible load operation time period of the i-th user is i T For [TB i , 1440]∪[0, TB i +t i -1440]; otherwise, the flexible load operation time period of the i-th user is i T For [TB i ,TB i +t i ];

[0091] (2) i=i+1, determine whether i>K holds. If so, proceed to step (3); otherwise, return to step (1);

[0092] (3) Let i = 1;

[0093] (4) Let n = 1; PS n =0;

[0094] (5) Judgment n∈i T Is it true? If true, the cumulative value of the flexible load at the nth moment is PS n =PS n +P i Otherwise, the cumulative value of the flexible load at the nth moment is PS n =PS n +0;

[0095] (6) i=i+1, determine whether i>K holds. If so, proceed to step (7); otherwise, return to step (5);

[0096] (7) Flexible load voltage ratio PU at the nth moment n for ;

[0097] (8) n = n + 1, determine whether n > 1440. If so, the calculation ends; otherwise, n = n + 1, PS n =0, return to step (5).

[0098] 3. Construct a flexible load starting power consumption time control model, and send the solution results to each flexible load for load operation control, so as to realize voltage control of the low-voltage distribution network.

[0099] Among them, the flexible load starting power consumption time control model includes:

[0100] (1) Objective function

[0101]

[0102] (2) Distribution Transformer Safety Power Constraint

[0103]

[0104] (3) Operating time constraints

[0105]

[0106] is the starting operation time of the flexible load of the ith user after regulation;

[0107] (4) Continuous operation time constraints

[0108]

[0109] is the operating time of the flexible load of the i-th user after regulation;

[0110] (5) Response willingness constraints

[0111]

[0112] Compared with the prior art, this application has the following advantages:

[0113] (1) It does not rely on the detailed modeling of the low-voltage distribution network. It only needs to monitor the flexible load and the voltage of the substation to model and calculate the optimal control strategy of the flexible load, which can effectively improve the voltage level of the low-voltage distribution network.

[0114] (2) The adjustable flexible load resources of the low-voltage distribution network are fully utilized, solving the long-standing problems of the lack of voltage control means and insufficient utilization of flexible controllable resources in the low-voltage distribution network.

[0115] It should be understood that, although the various steps in the flowcharts involved in the above-mentioned embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-mentioned embodiments can include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0116] Based on the same inventive concept, the embodiment of the present application also provides a flexible load starting power consumption time control device for implementing the flexible load starting power consumption time control method involved above. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the above method, so the specific limitations in one or more flexible load starting power consumption time control device embodiments provided below can refer to the limitations of the flexible load starting power consumption time control method above, and will not be repeated here.

[0117] In an exemplary embodiment, as shown in FIG4 , a flexible load start power consumption time control device is provided, comprising: a collection module 401 , an acquisition module 402 , an input module 403 and a control module 404 , wherein:

[0118] The acquisition module 401 is used to collect the line head end voltage of the low voltage distribution network at different times, and the flexible load operation data of each user in the low voltage distribution network;

[0119] An acquisition module 402 is used to obtain the flexible load voltage ratio at different times based on the operation data of each flexible load and the line head end voltage;

[0120] The input module 403 is used to input the flexible load voltage ratio at different times into the pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when the preset constraint conditions are met and the objective function in the flexible load starting power consumption time control model converges;

[0121] The control module 404 is used to adjust the flexible load power consumption start time of each user to the target flexible load power consumption start time.

[0122] In one embodiment, each flexible load operation data includes the flexible load start operation time, flexible load operation duration and flexible load operation power of each user, and the acquisition module 402 further includes:

[0123] The time period acquisition submodule is used to obtain the flexible load operation time period associated with each user according to the flexible load start operation time of each user and the flexible load operation duration of each user.

[0124] The target user acquisition submodule is used to obtain the current time and, according to the flexible load operation time period associated with each user, obtain the target user whose flexible load operation time period includes the current time from each user; the current time is any one of the different times.

[0125] The voltage ratio acquisition submodule is used to obtain the flexible load voltage ratio corresponding to the current moment according to the flexible load operating power of each target user and the line head end voltage.

[0126] In one of the embodiments, the voltage ratio acquisition submodule is further used to sum the flexible load operating power of each target user to obtain the flexible load cumulative value corresponding to the current moment; and use the flexible load cumulative value to divide the line head end voltage to obtain the flexible load voltage ratio corresponding to the current moment.

[0127] In an exemplary embodiment, the preset constraints include: distribution transformer safety power constraint, operation time constraint, continuous operation time constraint and response willingness constraint. The input module 403 is further used to determine that the objective function converges if the objective function obtains a minimum value when the flexible load cumulative value satisfies the distribution transformer safety power constraint, the load start power consumption time satisfies the operation time constraint, the continuous operation time satisfies the continuous operation time constraint and the control willingness of each user satisfies the response willingness constraint;

[0128] Obtaining the target flexible load starting power consumption time of each user when the objective function converges;

[0129] Among them, the distribution transformer safety power constraint condition indicates that the cumulative value of the flexible load is not greater than the preset maximum load cumulative value, the operating period constraint condition indicates that the adjusted load starting power consumption time is not less than the preset flexible load starting adjustable time, the continuous operation time constraint condition indicates that the adjusted flexible load operation time remains unchanged, and the response willingness constraint condition indicates whether each user is willing to accept the regulation.

[0130] In one embodiment, the flexible load starting power consumption time control device also includes: an objective function construction unit, which is used to obtain the corresponding average flexible load voltage ratio according to each flexible load voltage ratio; subtract the average flexible load voltage ratio from each flexible load voltage ratio to obtain each flexible load voltage ratio deviation; square each flexible load voltage ratio deviation and then add them to obtain the flexible load voltage ratio variance; obtain the average value of the flexible load voltage ratio variance, and use the average value as the objective function.

[0131] In one of the embodiments, the flexible load starting power consumption time control device also includes: a constraint parameter acquisition unit, which is used to obtain the maximum flexible load operating power of each user at the current moment, and add up the maximum flexible load powers to obtain the maximum flexible load cumulative value at the current moment, and use the maximum flexible load cumulative values ​​as the preset maximum flexible load cumulative values ​​at the corresponding moment; obtain the flexible load starting adjustable time associated with each user, and use the flexible load starting adjustable time as the preset flexible load starting adjustable time corresponding to each user.

[0132] Each module in the flexible load starting power consumption time control device can be implemented in whole or in part by software, hardware and their combination. Each module can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the corresponding operations of each module.

[0133] In an exemplary embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be shown in FIG5. The computer device includes a processor, a memory, an input / output interface (Input / Output, referred to as I / O) and a communication interface. The processor, the memory and the input / output interface are connected through a system bus, and the communication interface is connected to the system bus through the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store the line head voltage, the flexible load operation data of each user, and the flexible load voltage ratio data. The input / output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a method for regulating the starting power consumption time of a flexible load is implemented.

[0134] Those skilled in the art will understand that the structure shown in FIG. 5 is merely a block diagram of a partial structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than shown in the figure, or combine certain components, or have a different arrangement of components.

[0135] In an exemplary embodiment, a computer device is provided, including a memory and a processor, wherein a computer program is stored in the memory, and when the processor executes the computer program, the method for regulating the starting power consumption time of a flexible load of the above embodiment is implemented.

[0136] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the method for regulating the starting power consumption time of a flexible load in the above embodiment is implemented.

[0137] In one embodiment, a computer program product is provided, including a computer program, which, when executed by a processor, implements the method for regulating the starting power consumption time of a flexible load according to the above embodiment.

[0138] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data must comply with relevant regulations.

[0139] A person of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment method can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile memory and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited to this. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, an artificial intelligence (AI) processor, etc., but are not limited to this.

[0140] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this application.

[0141] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the present application. It should be noted that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A method for controlling the starting power consumption time of a flexible load, characterized in that: The method comprises: Collecting the line head end voltage of the low voltage distribution network at different times, and the flexible load operation data of each user in the low voltage distribution network; Based on the flexible load operation data and the line head end voltage, obtaining the flexible load voltage ratio at different times; Input the flexible load voltage ratio at different times into a pre-built flexible load starting power consumption time control model to obtain the target flexible load starting power consumption time of each user when preset constraints are met and the objective function in the flexible load starting power consumption time control model converges; The starting power usage time of the flexible load of each user is adjusted to the starting power usage time of each target flexible load.

2. The method according to claim 1, characterized in that Each of the flexible load operation data includes the flexible load start operation time, flexible load operation duration and flexible load operation power of each of the users; The step of obtaining the flexible load voltage ratio at different times based on the flexible load operation data and the line head end voltage includes: According to the flexible load start operation time of each user and the flexible load operation time of each user, obtaining the flexible load operation time period associated with each user; The current time is obtained, and according to the flexible load operation time period associated with each of the users, a target user whose flexible load operation time period includes the current time is obtained from each of the users; the current time is any one of the different times; According to the flexible load operating power of each target user and the line head end voltage, the flexible load voltage ratio corresponding to the current moment is obtained.

3. The method according to claim 2, characterized in that The step of obtaining the flexible load voltage ratio corresponding to the current moment according to the flexible load operating power of each target user and the line head end voltage includes: The flexible load operating power of each target user is summed up to obtain a flexible load cumulative value corresponding to the current moment; The flexible load voltage ratio corresponding to the current moment is obtained by dividing the flexible load cumulative value by the line head end voltage.

4. The method according to claim 3, characterized in that: The preset constraints include: distribution transformer safety power constraints, operation time constraints, continuous operation time constraints and response willingness constraints; the target flexible load starting power consumption time of each user that satisfies the preset constraints and converges the objective function in the flexible load starting power consumption time control model includes: When the cumulative value of the flexible load satisfies the distribution transformer safety power constraint, the load start power consumption time satisfies the operation period constraint, the continuous operation time satisfies the continuous operation time constraint, and the control willingness of each user satisfies the response willingness constraint, if the objective function obtains a minimum value, it is determined that the objective function converges; Obtaining the target flexible load starting power consumption time of each user when the objective function converges; Among them, the distribution transformer safety power constraint condition represents that the cumulative value of the flexible load is not greater than the preset maximum load cumulative value, the operating period constraint condition represents that the adjusted load starting power consumption time is not less than the preset flexible load starting adjustable time, the continuous operation time constraint condition represents that the adjusted flexible load operation time remains unchanged, and the response willingness constraint condition represents whether each of the users is willing to accept the regulation.

5. The method according to claim 4, characterized in that The objective function is constructed by the following steps: According to each of the flexible load voltage ratios, a corresponding average flexible load voltage ratio is obtained; Subtracting the average flexible load voltage ratio from each flexible load voltage ratio to obtain each flexible load voltage ratio deviation; Square each of the flexible load voltage ratio deviations and add them up to obtain a flexible load voltage ratio variance; An average value of the flexible load voltage ratio variance is obtained, and the average value is used as the objective function.

6. The method according to claim 5, characterized in that The method further comprises: Obtaining the maximum flexible load operating power of each user at the current moment, and summing up the maximum flexible load powers to obtain the maximum flexible load cumulative value at the current moment, and using the maximum flexible load cumulative values ​​as the preset maximum flexible load cumulative values ​​at the corresponding moment; The flexible load start adjustable time associated with each of the users is obtained, and each of the flexible load start adjustable time is used as the preset flexible load start adjustable time corresponding to each of the users.

7. A flexible load starting power consumption time control device, characterized in that: The device comprises: A collection module, used to collect the line head end voltage of the low-voltage distribution network at different times, and the flexible load operation data of each user in the low-voltage distribution network; An acquisition module, used for obtaining the flexible load voltage ratio at different times based on the flexible load operation data and the line head end voltage; An input module is used to input the flexible load voltage ratio at different times into a pre-built flexible load starting power consumption time control model to obtain a target flexible load starting power consumption time for each user that satisfies preset constraints and converges the objective function in the flexible load starting power consumption time control model; The control module is used to adjust the starting power consumption time of the flexible load of each user to the starting power consumption time of each target flexible load.

8. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 6 are implemented.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 6 are implemented.

10. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 6 are implemented.

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