Load regulation method, device, electronic equipment and computer program product

Abstract

The present invention discloses a load regulation method, device, electronic device and computer program product. The method comprises: collecting charging parameters and load voltage sensitivity of a charging station, wherein the charging parameters at least include: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; when the charging load is outside the qualified load interval, the charging voltage is adjusted according to the load voltage sensitivity; when the charging voltage is outside the qualified voltage interval, the charging load is adjusted according to the load voltage sensitivity. The present invention solves the technical problem that there is no control means for the charging load in the prior art.

Description

Technical Field

[0001] The present invention relates to the field of charging station control, and in particular to a load regulation method, device, electronic equipment and computer program product. Background Art

[0002] With the popularization of electric vehicles, the construction of charging stations has gradually accelerated. However, affected by the charging mode of electric vehicles and daily driving needs, the charging load often has a strong superposition phenomenon with residential load and commercial load, which in turn causes periodic fluctuations in heavy and light loads in the power grid.

[0003] At present, the load is only controlled by cutting off the switch, but this control method will have a great impact on the user's charging demand, and there is no control method for the charging load.

[0004] With regard to the problem that the above-mentioned prior art has no control means for charging load, no effective solution has been proposed so far. Summary of the invention

[0005] The embodiments of the present invention provide a load regulation method, device, electronic device and computer program product to at least solve the technical problem that there is no control means for charging load in the prior art.

[0006] According to one aspect of an embodiment of the present invention, a load regulation method is provided, comprising: obtaining charging parameters and load voltage sensitivity of a charging station, wherein the charging parameters include at least: a charging load and a charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to changes in the charging voltage; when the charging load is outside a qualified load interval, adjusting the charging voltage according to the load voltage sensitivity; when the charging load is within a qualified load interval and the charging voltage is outside a qualified voltage interval, adjusting the charging load according to the load voltage sensitivity.

[0007] Optionally, obtaining the charging parameters and load voltage sensitivity of the charging station includes: collecting the charging parameters of the charging station corresponding to each collection moment at preset time intervals in each charging cycle in which the charging station charges the charged object; determining the instantaneous sensitivity based on the ratio of the charging load and the charging voltage at the current collection moment to the difference between the charging load and the charging voltage at the previous collection moment; determining the load voltage sensitivity based on the average value of the instantaneous sensitivities corresponding to the current collection moment and multiple historical collection moments before the current collection moment in this charging cycle.

[0008] Optionally, after acquiring the charging parameters and load voltage sensitivity of the charging station, the method further includes: detecting whether the charging load is outside a qualified load interval; and when the charging load is within a qualified load interval, detecting whether the charging voltage is outside a qualified voltage interval.

[0009] Optionally, when the charging load is outside the qualified load interval, adjusting the charging voltage according to the load voltage sensitivity includes: when the charging load is outside the qualified load interval, detecting whether the charging load is greater than an upper limit load in the qualified load interval; when the charging load is greater than the upper limit load in the qualified load interval, detecting whether the charging voltage is greater than a lower limit voltage in the qualified voltage interval; when the charging voltage is not greater than the lower limit voltage in the qualified voltage interval, cutting off the charging load; when the charging voltage is greater than the lower limit voltage in the qualified voltage interval, reducing the charging voltage according to the load voltage sensitivity.

[0010] Optionally, when the charging voltage is greater than the lower limit voltage in the voltage qualified interval, reducing the charging voltage according to the load voltage sensitivity includes: determining a first voltage allowable adjustment amount according to the difference between the charging voltage and the lower limit voltage in the voltage qualified interval; determining a first voltage demand adjustment amount according to the ratio of the difference between the charging load and the upper limit load in the load qualified interval to the load voltage sensitivity; when the first voltage demand adjustment amount is greater than the first voltage allowable adjustment amount, cutting off the charging load; when the first voltage demand adjustment amount is not greater than the first voltage allowable adjustment amount, downwardly adjusting the charging voltage according to the first voltage demand adjustment amount.

[0011] Optionally, the method also includes: when the charging load is not greater than the upper limit load in the load qualification interval, detecting whether the charging voltage is less than the upper limit voltage in the voltage qualification interval; when the charging voltage is not less than the upper limit voltage in the voltage qualification interval, generating an alarm message; when the charging voltage is less than the upper limit voltage in the voltage qualification interval, increasing the charging voltage according to the load voltage sensitivity.

[0012] Optionally, when the charging voltage is less than the upper limit voltage in the voltage qualification interval, increasing the charging voltage according to the load voltage sensitivity includes: determining a second voltage allowable adjustment amount according to a difference between the upper limit voltage in the voltage qualification interval and the charging voltage; determining a second voltage requirement adjustment amount according to a ratio of a difference between a lower limit load in the load qualification interval and the charging load to the load voltage sensitivity; generating an alarm message when the second voltage requirement adjustment amount is greater than the second voltage allowable adjustment amount; and upwardly adjusting the charging voltage according to the second voltage requirement adjustment amount when the second voltage requirement adjustment amount is not greater than the second voltage allowable adjustment amount.

[0013] Optionally, when the charging load is within the load qualification interval and the charging voltage is outside the voltage qualification interval, adjusting the charging load according to the load voltage sensitivity includes: when the charging load is within the load qualification interval and the charging voltage is outside the voltage qualification interval, detecting whether the charging voltage is less than the lower limit voltage in the voltage qualification interval; when the charging voltage is less than the lower limit voltage in the voltage qualification interval, reducing the charging load according to the load voltage sensitivity; when the charging voltage is not less than the lower limit voltage in the voltage qualification interval, increasing the charging load according to the load voltage sensitivity.

[0014] Optionally, when the charging voltage is less than the lower limit voltage in the voltage qualified interval, reducing the charging load according to the load voltage sensitivity includes: determining a third voltage demand adjustment amount according to the difference between the lower limit voltage in the voltage qualified interval and the charging voltage; determining a third voltage allowable adjustment amount according to the ratio of the difference between the charging load and the lower limit load in the load qualified interval and the load voltage sensitivity; when the third voltage demand adjustment amount is greater than the third voltage allowable adjustment amount, adjusting the charging load to the lower limit load in the load qualified interval; when the third voltage demand adjustment amount is not greater than the third voltage allowable adjustment amount, adjusting the charging load downward according to the product of the third voltage demand adjustment amount and the load voltage sensitivity.

[0015] Optionally, when the charging voltage is not less than the lower limit voltage in the voltage qualified interval, increasing the charging load according to the load voltage sensitivity includes: determining a fourth voltage demand adjustment amount according to a difference between the charging voltage and the upper limit voltage in the voltage qualified interval; determining a fourth voltage allowable adjustment amount according to a ratio of a difference between the upper limit load in the load qualified interval and the charging load and the load voltage sensitivity; when the fourth voltage demand adjustment amount is greater than the fourth voltage allowable adjustment amount, adjusting the charging load to the upper limit load in the load qualified interval; when the fourth voltage demand adjustment amount is not greater than the fourth voltage allowable adjustment amount, adjusting the charging load upward according to the product of the fourth voltage demand adjustment amount and the load voltage sensitivity.

[0016] According to another aspect of an embodiment of the present invention, a load regulation device is also provided, including: an acquisition module, used to acquire charging parameters and load voltage sensitivity of a charging station, wherein the charging parameters include at least: a charging load and a charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to changes in the charging voltage; a first regulation module, used to regulate the charging voltage according to the load voltage sensitivity when the charging load is outside a qualified load interval; and a second regulation module, used to regulate the charging load according to the load voltage sensitivity when the charging load is within a qualified load interval and the charging voltage is outside a qualified voltage interval.

[0017] According to another aspect of an embodiment of the present invention, a non-volatile storage medium is provided, in which a computer program is stored, wherein the load adjustment method is executed by running the computer program in a device where the non-volatile storage medium is located.

[0018] According to another aspect of an embodiment of the present invention, there is further provided an electronic device, including a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to execute the load regulation method through the computer program.

[0019] According to another aspect of an embodiment of the present invention, a computer program product is provided, comprising computer instructions, which implement the steps of the above load regulation method when executed by a processor.

[0020] In an embodiment of the present invention, the charging parameters and load voltage sensitivity of the charging station are obtained, wherein the charging parameters include at least: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; when the charging load is outside the qualified load interval, the charging voltage is adjusted according to the load voltage sensitivity, and the charging load is controlled within the qualified load interval by adjusting the charging voltage to avoid the phenomenon of feeder overload caused by load superposition; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, the charging load is adjusted according to the load voltage sensitivity, and the charging voltage is adjusted back to the qualified voltage interval by adjusting the charging load to avoid the risk of feeder voltage exceeding the limit, thereby achieving the technical effect of effectively controlling the charging load, and further solving the technical problem that there is no control means for the charging load in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0022] Figure 1 is a flow chart of a load regulation method according to an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of a charging station transformer load regulation according to an embodiment of the present invention Figure 1 ;

[0024] Figure 3 is a method for calculating the load voltage sensitivity of this round of charging according to an embodiment of the present invention ( ) schematic diagram;

[0025] Figure 4 is a schematic diagram of reducing charging load by reducing the voltage on the low-voltage side of a transformer according to an embodiment of the present invention;

[0026] Figure 5 is a schematic diagram of increasing charging load by increasing the voltage on the low-voltage side of a transformer according to an embodiment of the present invention;

[0027] Figure 6 is a schematic diagram of raising the voltage on the low-voltage side of a transformer by reducing the charging load according to an embodiment of the present invention;

[0028] Figure 7 is a schematic diagram of reducing the voltage on the low-voltage side of a transformer by increasing the charging load according to an embodiment of the present invention;

[0029] Figure 8 A schematic diagram of a charging station transformer load regulation according to an embodiment of the present invention Figure 2 ;

[0030] Fig. 9 is a schematic diagram of a charging station transformer load adjustment device according to an embodiment of the present invention;

[0031] Fig.10 is a schematic diagram of a load adjustment device according to an embodiment of the present invention;

[0032] Fig.11 It is a structural block diagram of a computer terminal according to an embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] According to an embodiment of the present invention, an embodiment of a load regulation method is provided. 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.

[0036] Figure 1 is a flow chart of a load regulation method according to an embodiment of the present invention. Figure 1 As shown, the method comprises the following steps:

[0037] Step S102, obtaining charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters at least include: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage;

[0038] Step S104, when the charging load is outside the qualified load range, adjusting the charging voltage according to the load voltage sensitivity;

[0039] Step S106, when the charging load is within the qualified load range and the charging voltage is outside the qualified voltage range, adjusting the charging load according to the load voltage sensitivity.

[0040] In an embodiment of the present invention, the charging parameters and load voltage sensitivity of the charging station are obtained, wherein the charging parameters include at least: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; when the charging load is outside the qualified load interval, the charging voltage is adjusted according to the load voltage sensitivity, and the charging load is controlled within the qualified load interval by adjusting the charging voltage to avoid the phenomenon of feeder overload caused by load superposition; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, the charging load is adjusted according to the load voltage sensitivity, and the charging voltage is adjusted back to the qualified voltage interval by adjusting the charging load to avoid the risk of feeder voltage exceeding the limit, thereby achieving the technical effect of effectively controlling the charging load, and further solving the technical problem that there is no control means for the charging load in the prior art.

[0041] In the above step S102, the charging station can charge the electric vehicle through the charging pile.

[0042] In the above step S102, the load voltage sensitivity may be calculated based on the charging load and charging voltage of the charging station.

[0043] In the above step S102, the load voltage sensitivity ( ) refers to the sensitivity of the load to voltage changes in the power system. Load voltage sensitivity can help analyze and evaluate the stability and reliability of the power system, as well as guide the dispatch and operation of the power system. Load voltage sensitivity is usually expressed by calculating the ratio of the load response to voltage changes, that is, the load voltage sensitivity is equal to the ratio of the load response to voltage changes divided by the magnitude of the voltage change.

[0044] In the above step S102, the charging voltage may be a low voltage side voltage of a transformer in the charging station.

[0045] The load regulation method described above in the present application can be used to perform load regulation on transformers in substations.

[0046] Figure 2A schematic diagram of a charging station transformer load regulation according to an embodiment of the present invention Figure 1 ,like Figure 2 As shown, the following steps are included:

[0047] Step S201, collecting the current charging load ( ), load qualified interval ; The low voltage side voltage of the transformer at the current moment ( ), voltage qualified range .

[0048] Step S202: If Located in the qualified load range Otherwise, go to step S203, otherwise go to step S211.

[0049] Step S203, calculating the load voltage sensitivity of this round of charging ( ).

[0050] Step S204: If , then go to step S205, otherwise go to step S208.

[0051] Step S205: If , then go to step S206, otherwise go to step S207.

[0052] Step S206, reducing the charging load by reducing the voltage on the low-voltage side of the transformer (ie, the charging voltage), and this round of the process ends.

[0053] Step S207, the charging load is cut off, and this round of the process ends.

[0054] Step S208, if , then go to step S209, otherwise go to step S210.

[0055] Step S209, increasing the charging load by increasing the low-voltage side voltage of the transformer (ie, the charging voltage), and this round of the process ends.

[0056] Step S210: the system issues an alarm and this round of the process ends.

[0057] Step S211, if In the voltage qualified range Otherwise, go to step S212, otherwise this round of process ends.

[0058] Step S212, calculating the load voltage sensitivity of this round of charging ( ).

[0059] Step S213, if , then go to step S214, otherwise go to step S215.

[0060] Step S214, raising the transformer low-voltage side voltage (ie, charging voltage) by reducing the charging load, and this round of the process ends.

[0061] Step S215, the voltage on the low-voltage side of the transformer (ie, the charging voltage) is reduced by increasing the charging load, and this round of the process ends.

[0062] As an optional embodiment, obtaining the charging parameters and load voltage sensitivity of the charging station includes: collecting the charging parameters corresponding to each collection moment of the charging station at a preset time interval in each charging cycle in which the charging station charges the charging object; determining the instantaneous sensitivity based on the ratio of the charging load and charging voltage at the current collection moment to the difference between the charging load and charging voltage at the previous collection moment; determining the load voltage sensitivity based on the average value of the instantaneous sensitivities corresponding to the current collection moment in this charging cycle and multiple historical collection moments before the current collection moment.

[0063] In the above embodiments of the present application, the load voltage sensitivity indicates the sensitivity of adjusting the charging voltage to the charging load, that is, the influence of adjusting the charging voltage on the charging load, and the influence of adjusting the charging load on the charging voltage. By statistically calculating the average value of the instantaneous sensitivity corresponding to multiple acquisition moments in the same charging cycle, a more accurate load voltage sensitivity in the charging cycle can be obtained, and then the charging voltage and charging load can be adjusted more accurately according to the load voltage sensitivity.

[0064] Figure 3 is a method for calculating the load voltage sensitivity of this round of charging according to an embodiment of the present invention ( ) schematic diagram, such as Figure 3 As shown, the above step S203 and step S212 include the following steps:

[0065] Step S301, collect the charging load of this round of charging from the beginning to the current time interval of 1 second ( )、Transformer low voltage side voltage (also known as charging voltage) ( ),in, , The number of collections from the beginning of this round of charging to the current moment.

[0066] Step S302: .

[0067] Step S303, .

[0068] Step S304: If , then let , then go to step S303, otherwise go to step S305.

[0069] Step S305: Load voltage sensitivity of this round of charging .

[0070] As an optional embodiment, after obtaining the charging parameters and load voltage sensitivity of the charging station, the method also includes: detecting whether the charging load is outside the qualified load range; when the charging load is within the qualified load range, detecting whether the charging voltage is outside the qualified voltage range.

[0071] In the above embodiment of the present application, it is first detected whether the charging load is outside the qualified load interval, and then when the charging load is within the qualified load interval, it is detected whether the charging voltage is outside the qualified voltage interval. This can achieve priority adjustment of the charging voltage, first adjust the charging load to within the qualified load interval, and then adjust the charging load to adjust the charging voltage to within the qualified voltage interval, thereby alleviating the impact of the charging station on the feeder.

[0072] As an optional embodiment, when the charging load is outside the qualified load interval, adjusting the charging voltage according to the load voltage sensitivity includes: when the charging load is outside the qualified load interval, detecting whether the charging load is greater than the upper limit load in the qualified load interval; when the charging load is greater than the upper limit load in the qualified load interval, detecting whether the charging voltage is greater than the lower limit voltage in the qualified voltage interval; when the charging voltage is not greater than the lower limit voltage in the qualified voltage interval, cutting off the charging load; when the charging voltage is greater than the lower limit voltage in the qualified voltage interval, reducing the charging voltage according to the load voltage sensitivity.

[0073] In the above embodiments of the present application, when the charging parameters of the charging station meet different conditions, the charging voltage and charging load of the charging station can be adjusted in different ways. For example, the charging load can be adjusted to a qualified load range by cutting off the charging load or reducing the charging voltage, thereby alleviating the impact of the charging station on the feeder.

[0074] As an optional embodiment, when the charging voltage is greater than the lower limit voltage in the voltage qualified interval, reducing the charging voltage according to the load voltage sensitivity includes: determining the first voltage allowable adjustment amount according to the difference between the charging voltage and the lower limit voltage in the voltage qualified interval; determining the first voltage demand adjustment amount according to the ratio of the difference between the charging load and the upper limit load in the load qualified interval to the load voltage sensitivity; when the first voltage demand adjustment amount is greater than the first voltage allowable adjustment amount, cutting off the charging load; when the first voltage demand adjustment amount is not greater than the first voltage allowable adjustment amount, downwardly adjusting the charging voltage according to the first voltage demand adjustment amount.

[0075] In the above-mentioned embodiments of the present application, the allowable voltage adjustment amount and the voltage demand adjustment amount required to adjust the charging voltage when the charging load is adjusted to the qualified load range can be calculated according to the charging parameters of the charging station and the load voltage sensitivity. Then, according to the difference between the allowable voltage adjustment amount and the voltage demand adjustment amount, the charging voltage is adjusted downward, which can make the adjustment result more accurate and effectively alleviate the impact of the charging station on the feeder.

[0076] Figure 4 is a schematic diagram of reducing the charging load by reducing the low-voltage side voltage of the transformer according to an embodiment of the present invention, such as Figure 4 As shown, the above step S206 includes the following steps:

[0077] Step S401, calculating the voltage allowable adjustment amount (such as the first voltage allowable adjustment amount) .

[0078] Step S402: Calculate a voltage demand adjustment amount (such as a first voltage demand adjustment amount) .

[0079] Step S403: If , then go to step S405, otherwise go to step S404.

[0080] Step S404, adjust the current charging voltage downward , this round of process ends.

[0081] Step S405, the charging load is cut off, and this round of the process ends.

[0082] As an optional embodiment, the method also includes: when the charging load is not greater than the upper limit load in the load qualification interval, detecting whether the charging voltage is less than the upper limit voltage in the voltage qualification interval; when the charging voltage is not less than the upper limit voltage in the voltage qualification interval, generating an alarm message; when the charging voltage is less than the upper limit voltage in the voltage qualification interval, increasing the charging voltage according to the load voltage sensitivity.

[0083] In the above embodiments of the present application, when the charging parameters of the charging station meet different conditions, the charging voltage and charging load of the charging station can be adjusted in different ways. For example, by generating an alarm message or increasing the charging voltage, the charging load can be adjusted to a qualified load range to alleviate the impact of the charging station on the feeder.

[0084] As an optional embodiment, when the charging voltage is less than the upper limit voltage in the voltage qualified interval, increasing the charging voltage according to the load voltage sensitivity includes: determining the second voltage allowable adjustment amount according to the difference between the upper limit voltage in the voltage qualified interval and the charging voltage; determining the second voltage demand adjustment amount according to the ratio of the difference between the lower limit load in the load qualified interval and the charging load to the load voltage sensitivity; generating an alarm message when the second voltage demand adjustment amount is greater than the second voltage allowable adjustment amount; and upward adjusting the charging voltage according to the second voltage demand adjustment amount when the second voltage demand adjustment amount is not greater than the second voltage allowable adjustment amount.

[0085] In the above-mentioned embodiments of the present application, the allowable voltage adjustment amount and the voltage demand adjustment amount required to adjust the charging voltage when the charging load is adjusted to the qualified load range can be calculated according to the charging parameters of the charging station and the load voltage sensitivity. Then, according to the difference between the allowable voltage adjustment amount and the voltage demand adjustment amount, the charging voltage is adjusted upward, which can make the adjustment result more accurate and effectively alleviate the impact of the charging station on the feeder.

[0086] Figure 5 is a schematic diagram of increasing the charging load by increasing the low-voltage side voltage of the transformer according to an embodiment of the present invention, such as Figure 5 As shown, the above step S209 includes the following steps:

[0087] Step S501, calculating the voltage allowable adjustment amount .

[0088] Step S502: Calculate the voltage demand adjustment amount .

[0089] Step S503: If , then go to step S505, otherwise go to step S504.

[0090] Step S504, adjust the current charging voltage upward , this round of process ends.

[0091] Step S505: the system issues an alarm and this round of the process ends.

[0092] As an optional embodiment, when the charging load is within the load qualification interval and the charging voltage is outside the voltage qualification interval, adjusting the charging load according to the load voltage sensitivity includes: when the charging load is within the load qualification interval and the charging voltage is outside the voltage qualification interval, detecting whether the charging voltage is less than the lower limit voltage in the voltage qualification interval; when the charging voltage is less than the lower limit voltage in the voltage qualification interval, reducing the charging load according to the load voltage sensitivity; when the charging voltage is not less than the lower limit voltage in the voltage qualification interval, increasing the charging load according to the load voltage sensitivity.

[0093] In the above embodiments of the present application, when the charging parameters of the charging station meet different conditions, the charging voltage and charging load of the charging station can be adjusted in different ways. For example, the charging voltage can be increased by reducing the charging load, or the charging voltage can be reduced by increasing the charging load. In this way, the charging voltage is adjusted to within the voltage qualified range, thereby alleviating the impact of the charging station on the feeder.

[0094] As an optional embodiment, when the charging voltage is less than the lower limit voltage in the voltage qualified interval, reducing the charging load according to the load voltage sensitivity includes: determining a third voltage demand adjustment amount according to the difference between the lower limit voltage in the voltage qualified interval and the charging voltage; determining a third voltage allowable adjustment amount according to the ratio of the difference between the charging load and the lower limit load in the load qualified interval and the load voltage sensitivity; when the third voltage demand adjustment amount is greater than the third voltage allowable adjustment amount, adjusting the charging load to the lower limit load in the load qualified interval; when the third voltage demand adjustment amount is not greater than the third voltage allowable adjustment amount, adjusting the charging load downward according to the product of the third voltage demand adjustment amount and the load voltage sensitivity.

[0095] In the above-mentioned embodiments of the present application, the allowable voltage adjustment amount and the voltage demand adjustment amount required to adjust the charging voltage when the charging load is adjusted to the qualified load range can be calculated according to the charging parameters of the charging station and the load voltage sensitivity. Then, according to the difference between the allowable voltage adjustment amount and the voltage demand adjustment amount, the correct adjustment method for the charging load is selected, which can make the adjustment result more accurate and effectively alleviate the impact of the charging station on the feeder.

[0096] Figure 6 is a schematic diagram of raising the voltage on the low-voltage side of a transformer by reducing the charging load according to an embodiment of the present invention, such as Figure 6 As shown, the above step S214 includes the following steps:

[0097] Step S601, calculating the voltage demand adjustment amount .

[0098] Step S602: Calculate the voltage adjustment allowable value .

[0099] Step S603: If , then adjust the current charging load to Otherwise, the current charging load is adjusted downward. .

[0100] As an optional embodiment, when the charging voltage is not less than the lower limit voltage in the voltage qualified interval, increasing the charging load according to the load voltage sensitivity includes: determining the fourth voltage demand adjustment amount according to the difference between the charging voltage and the upper limit voltage in the voltage qualified interval; determining the fourth voltage allowable adjustment amount according to the ratio of the difference between the upper limit load in the load qualified interval and the charging load to the load voltage sensitivity; when the fourth voltage demand adjustment amount is greater than the fourth voltage allowable adjustment amount, adjusting the charging load to the upper limit load in the load qualified interval; when the fourth voltage demand adjustment amount is not greater than the fourth voltage allowable adjustment amount, adjusting the charging load upward according to the product of the fourth voltage demand adjustment amount and the load voltage sensitivity.

[0101] In the above-mentioned embodiments of the present application, the allowable voltage adjustment amount and the voltage demand adjustment amount required to adjust the charging voltage when the charging load is adjusted to the qualified load range can be calculated according to the charging parameters of the charging station and the load voltage sensitivity. Then, according to the difference between the allowable voltage adjustment amount and the voltage demand adjustment amount, the correct adjustment method for the charging load is selected, which can make the adjustment result more accurate and effectively alleviate the impact of the charging station on the feeder.

[0102] Figure 7 is a schematic diagram of reducing the voltage on the low-voltage side of a transformer by increasing the charging load according to an embodiment of the present invention, such as Figure 7 As shown, the above step S215 includes the following steps:

[0103] Step S701, calculating the voltage demand adjustment amount .

[0104] Step S702: Calculate the voltage allowable adjustment amount .

[0105] Step S703: If , then adjust the current charging load to , otherwise adjust the current charging load upward .

[0106] The present application also provides an optional embodiment, which provides a charging station transformer load regulation method. When the charging load is outside the set load range, the charging load is controlled within the set load range by adjusting the voltage on the low-voltage side of the transformer to avoid the phenomenon of feeder overload caused by load superposition. When the voltage on the low-voltage side of the transformer is outside the voltage qualified range, the transformer voltage is adjusted back to the voltage qualified range by adjusting the charging load to avoid the risk of feeder voltage exceeding the limit.

[0107] It should be noted that the voltage demand adjustment amount indicates the voltage change required to adjust the current charging load to the qualified load range; the allowable voltage adjustment amount indicates the maximum voltage change allowed within the qualified voltage range, or indicates the maximum voltage change allowed to be adjusted corresponding to the maximum charging load change allowed to be adjusted within the qualified load range.

[0108] Figure 8 A schematic diagram of a charging station transformer load regulation according to an embodiment of the present invention Figure 2 ,like Figure 8 As shown, the following steps are included:

[0109] Step S201, collecting the current charging load ( ), load qualified interval ; The low voltage side voltage of the transformer at the current moment (i.e., charging voltage) ( ), voltage qualified range .

[0110] Step S202: If Located in the qualified load range Otherwise, go to step S203, otherwise go to step S211.

[0111] Step S203, calculating the load voltage sensitivity of this round of charging ( ).

[0112] Step S204: If , then go to step S205, otherwise go to step S208.

[0113] Step S205: If , then go to step S2061, otherwise go to step S207.

[0114] Step S2061, calculating the voltage allowable adjustment amount (such as the first voltage allowable adjustment amount) .

[0115] Step S2062: Calculate a voltage demand adjustment amount (such as a first voltage demand adjustment amount) .

[0116] Step S2063, if , then go to step S2067, otherwise go to step S2064.

[0117] Step S2064, adjust the current charging voltage downward , this round of process ends.

[0118] Step S207, the charging load is cut off, and this round of the process ends.

[0119] Step S208, if , then go to step S2091, otherwise go to step S210.

[0120] Step S2091, calculating the voltage allowable adjustment amount .

[0121] Step S2092, calculating the voltage demand adjustment amount .

[0122] Step S2093, if , then go to step S210, otherwise go to step S2094.

[0123] Step S2094, adjust the current charging voltage upward , this round of process ends.

[0124] Step S210: the system issues an alarm and this round of the process ends.

[0125] Step S211, if In the voltage qualified range Otherwise, go to step S212, otherwise this round of process ends.

[0126] Step S212, calculating the load voltage sensitivity of this round of charging ( ).

[0127] Step S213, if , then go to step S2141, otherwise go to step S2151.

[0128] Step S2141, calculating the voltage demand adjustment amount .

[0129] Step S2142, calculating the voltage allowable adjustment amount .

[0130] Step S2143, if , then go to step S2145, otherwise go to step S2144.

[0131] Step S2144, adjust the current charging load downward .

[0132] Step S2145, adjust the current charging load to .

[0133] Step S2151, calculating the voltage demand adjustment amount .

[0134] Step S2152, calculating the voltage allowable adjustment amount .

[0135] Step S2153, if , then go to step S2155, otherwise go to step S2154.

[0136] Step S2154, adjust the current charging load upward .

[0137] Step S2155, adjust the current charging load to .

[0138] As an optional embodiment, the charging station transformer load adjustment method of the present application includes the following specific implementation steps:

[0139] Step S1, monitoring a charging station at a certain moment to obtain the low-voltage side voltage (ie, charging voltage) and charging load.

[0140] Step S2, obtain the current charging load of the charging station as 980kVA, the charging load setting range of the power station is [100kVA, 800kVA]; the current low-voltage side voltage is 378V, and the voltage qualified range is [342V, 418V]. Since the charging load has exceeded the upper limit, regulation is required.

[0141] Step S3: After calculation, the load voltage sensitivity of this round of charging is 2.64VA / V.

[0142] Step S4, due to , the charging load can be regulated by adjusting the voltage.

[0143] Step S5: voltage allowable adjustment amount , voltage demand regulation .

[0144] Step S6, Therefore, the charging load needs to be cut off.

[0145] Fig. 9 is a schematic diagram of a charging station transformer load adjustment device according to an embodiment of the present invention. Fig. 9 As shown, the device may include: a data sampling module, a target input module, a calculation and analysis module and an adjustment control module, the data sampling module is used to obtain the transformer low-voltage side voltage and charging load; the target input module is used to obtain the load qualified interval and the voltage qualified interval; the calculation and analysis module is used to calculate the transformer low-voltage side voltage and charging load, as well as the load qualified interval and the voltage qualified interval, generate execution data, and transmit the execution data to the adjustment control module; the adjustment control module is used to adjust the specific voltage or charging load.

[0146] Optionally, the data sampling module is responsible for collecting the transformer low-voltage side voltage and charging load, and the collection cycle (ie, preset time interval) is once every 15 minutes.

[0147] Optionally, the target input module is used for human-computer interaction, allowing manual on-site modification of the load qualification range and voltage qualification range of the charging load through the module.

[0148] Optionally, the regulating control module is used to reduce the voltage amplitude on the low-voltage side by adjusting the transformer gear, adjust the charging load amplitude through the load switch, and control the load disconnection.

[0149] Optionally, the calculation and analysis module is used to complete the calculation and judgment process of the above-mentioned charging station transformer load adjustment method of the present application.

[0150] This application is applicable to feeders connected to the grid with a large number of charging loads. By adjusting the charging load and the voltage on the low-voltage side of the charging station transformer to alleviate the impact on the feeder, it can effectively alleviate the short-term overload or voltage over-limit problem of the power grid caused by the superposition of charging load and other loads, improve the operating stability of the power grid, avoid problems such as unstable charging voltage caused by sudden increase or decrease in charging load, and improve the charging efficiency and stability of the charging station.

[0151] According to an embodiment of the present invention, a load regulation device embodiment is also provided. It should be noted that the load regulation device can be used to execute the load regulation method in the embodiment of the present invention, and the load regulation method in the embodiment of the present invention can be executed in the load regulation device.

[0152] Fig.10 is a schematic diagram of a load adjustment device according to an embodiment of the present invention. Fig.10 As shown, the device may include: an acquisition module 1002, used to acquire the charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters include at least: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; a first adjustment module 1004, used to adjust the charging voltage according to the load voltage sensitivity when the charging load is outside the load qualified interval; a second adjustment module 1006, used to adjust the charging load according to the load voltage sensitivity when the charging load is within the load qualified interval and the charging voltage is outside the voltage qualified interval.

[0153] It should be noted that the acquisition module 1002 in this embodiment can be used to execute step S102 in the embodiment of the present application, the first adjustment module 1004 in this embodiment can be used to execute step S104 in the embodiment of the present application, and the second adjustment module 1006 in this embodiment can be used to execute step S106 in the embodiment of the present application. The examples and application scenarios implemented by the above modules and corresponding steps are the same, but are not limited to the contents disclosed in the above embodiments.

[0154] In an embodiment of the present invention, the charging parameters and load voltage sensitivity of the charging station are obtained, wherein the charging parameters include at least: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; when the charging load is outside the qualified load interval, the charging voltage is adjusted according to the load voltage sensitivity, and the charging load is controlled within the qualified load interval by adjusting the charging voltage to avoid the phenomenon of feeder overload caused by load superposition; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, the charging load is adjusted according to the load voltage sensitivity, and the charging voltage is adjusted back to the qualified voltage interval by adjusting the charging load to avoid the risk of feeder voltage exceeding the limit, thereby achieving the technical effect of effectively controlling the charging load, and further solving the technical problem that there is no control means for the charging load in the prior art.

[0155] As an optional embodiment, the acquisition module includes: a collection unit, which is used to collect the charging parameters corresponding to each collection moment of the charging station at a preset time interval in each charging cycle in which the charging station charges the charging object; a first determination unit, which is used to determine the instantaneous sensitivity based on the ratio of the charging load and charging voltage at the current collection moment to the difference between the charging load and charging voltage at the previous collection moment; and a second determination unit, which is used to determine the load voltage sensitivity based on the average value of the instantaneous sensitivities corresponding to the current collection moment in this charging cycle and multiple historical collection moments before the current collection moment.

[0156] As an optional embodiment, the device also includes: a first detection submodule, which is used to detect whether the charging load is outside the qualified load range after collecting the charging parameters and load voltage sensitivity of the charging station; and a second detection submodule, which is used to detect whether the charging voltage is outside the qualified voltage range when the charging load is within the qualified load range.

[0157] As an optional embodiment, the first regulation module includes: a first detection unit, used to detect whether the charging load is greater than the upper limit load in the load qualified interval when the charging load is outside the load qualified interval; a second detection unit, used to detect whether the charging voltage is greater than the lower limit voltage in the voltage qualified interval when the charging load is greater than the upper limit load in the load qualified interval; a cutting unit, used to cut off the charging load when the charging voltage is not greater than the lower limit voltage in the voltage qualified interval; the first regulation unit, used to reduce the charging voltage according to the load voltage sensitivity when the charging voltage is greater than the lower limit voltage in the voltage qualified interval.

[0158] As an optional embodiment, the first adjustment unit includes: a first determination subunit, used to determine the first voltage allowable adjustment amount according to the difference between the charging voltage and the lower limit voltage in the voltage qualified interval; a second determination subunit, used to determine the first voltage demand adjustment amount according to the ratio of the difference between the charging load and the upper limit load in the load qualified interval and the load voltage sensitivity; a cutting off subunit, used to cut off the charging load when the first voltage demand adjustment amount is greater than the first voltage allowable adjustment amount; the first adjustment subunit, used to downwardly adjust the charging voltage according to the first voltage demand adjustment amount when the first voltage demand adjustment amount is not greater than the first voltage allowable adjustment amount.

[0159] As an optional embodiment, the device also includes: a third detection unit, which is used to detect whether the charging voltage is less than the upper limit voltage in the voltage qualified interval when the charging load is not greater than the upper limit load in the load qualified interval; an alarm unit, which is used to generate an alarm message when the charging voltage is not less than the upper limit voltage in the voltage qualified interval; and a second adjustment unit, which is used to increase the charging voltage according to the load voltage sensitivity when the charging voltage is less than the upper limit voltage in the voltage qualified interval.

[0160] As an optional embodiment, the second adjustment unit includes: a third determination subunit, used to determine the second voltage allowable adjustment amount according to the difference between the upper limit voltage in the voltage qualified interval and the charging voltage; a fourth determination subunit, used to determine the second voltage demand adjustment amount according to the ratio of the difference between the lower limit load in the load qualified interval and the charging load to the load voltage sensitivity; an alarm subunit, used to generate an alarm message when the second voltage demand adjustment amount is greater than the second voltage allowable adjustment amount; and a second adjustment subunit, used to adjust the charging voltage upward according to the second voltage demand adjustment amount when the second voltage demand adjustment amount is not greater than the second voltage allowable adjustment amount.

[0161] As an optional embodiment, the second regulation module includes: a third detection unit, used to detect whether the charging voltage is less than the lower limit voltage in the voltage qualified interval when the charging load is within the load qualified interval and the charging voltage is outside the voltage qualified interval; a third regulation unit, used to reduce the charging load according to the load voltage sensitivity when the charging voltage is less than the lower limit voltage in the voltage qualified interval; a fourth regulation unit, used to increase the charging load according to the load voltage sensitivity when the charging voltage is not less than the lower limit voltage in the voltage qualified interval.

[0162] As an optional embodiment, the third adjustment unit includes: a fifth determination subunit, used to determine the third voltage requirement adjustment amount according to the difference between the lower limit voltage in the voltage qualified interval and the charging voltage; a sixth determination subunit, used to determine the third voltage allowable adjustment amount according to the ratio of the difference between the charging load and the lower limit load in the load qualified interval to the load voltage sensitivity; a third adjustment subunit, used to adjust the charging load to the lower limit load in the load qualified interval when the third voltage requirement adjustment amount is greater than the third voltage allowable adjustment amount; a fourth adjustment subunit, used to adjust the charging load downward according to the product of the third voltage requirement adjustment amount and the load voltage sensitivity when the third voltage requirement adjustment amount is not greater than the third voltage allowable adjustment amount.

[0163] As an optional embodiment, the fourth adjustment unit includes: a seventh determination subunit, used to determine the fourth voltage requirement adjustment amount according to the difference between the charging voltage and the upper limit voltage in the voltage qualified interval; an eighth determination subunit, used to determine the fourth voltage allowable adjustment amount according to the ratio of the difference between the upper limit load in the load qualified interval and the charging load to the load voltage sensitivity; a fifth adjustment subunit, used to adjust the charging load to the upper limit load in the load qualified interval when the fourth voltage requirement adjustment amount is greater than the fourth voltage allowable adjustment amount; a sixth adjustment subunit, used to adjust the charging load upward according to the product of the fourth voltage requirement adjustment amount and the load voltage sensitivity when the fourth voltage requirement adjustment amount is not greater than the fourth voltage allowable adjustment amount.

[0164] An embodiment of the present invention may provide an electronic device, which is a computer terminal, and the computer terminal may be any computer terminal device in a computer terminal group. Optionally, in this embodiment, the computer terminal may also be replaced by a terminal device such as a mobile terminal.

[0165] Optionally, in this embodiment, the computer terminal may be located in at least one network device among a plurality of network devices of the computer network.

[0166] In this embodiment, the above-mentioned computer terminal can execute the program code of the following steps in the load regulation method: obtaining the charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters at least include: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to changes in the charging voltage; when the charging load is outside the qualified load interval, adjusting the charging voltage according to the load voltage sensitivity; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, adjusting the charging load according to the load voltage sensitivity.

[0167] Fig.11 is a structural block diagram of a computer terminal according to an embodiment of the present invention. Fig.11 As shown, the computer terminal 1100 may include: one or more (only one is shown in the figure) processors 1102 , and a memory 1104 .

[0168] Among them, the memory can be used to store software programs and modules, such as program instructions / modules corresponding to the load regulation method and device in the embodiment of the present invention. The processor executes various functional applications and data processing by running the software programs and modules stored in the memory, that is, realizing the above-mentioned load regulation method. The memory 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 may further include a memory remotely arranged relative to the processor, and these remote memories can be connected to the terminal 1100 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 combinations thereof.

[0169] The processor can call the information and application stored in the memory through the transmission device to perform the following steps: obtain the charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters include at least: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; when the charging load is outside the qualified load interval, adjust the charging voltage according to the load voltage sensitivity; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, adjust the charging load according to the load voltage sensitivity.

[0170] Optionally, the processor may also execute the program code of the following steps: in each charging cycle in which the charging station charges the charging object, collecting the charging parameters corresponding to each collection moment of the charging station at a preset time interval; determining the average value of the instantaneous sensitivity based on the ratio of the charging load and charging voltage at the current collection moment to the difference between the charging load and charging voltage at the previous collection moment; determining the load voltage sensitivity based on the instantaneous sensitivities corresponding to the current collection moment in this charging cycle and multiple historical collection moments before the current collection moment.

[0171] Optionally, the processor may also execute program codes of the following steps: detecting whether the charging load is outside a qualified load range; and when the charging load is within a qualified load range, detecting whether the charging voltage is outside a qualified voltage range.

[0172] Optionally, the processor may also execute program codes of the following steps: when the charging load is outside the qualified load interval, detecting whether the charging load is greater than the upper limit load in the qualified load interval; when the charging load is greater than the upper limit load in the qualified load interval, detecting whether the charging voltage is greater than the lower limit voltage in the qualified voltage interval; when the charging voltage is not greater than the lower limit voltage in the qualified voltage interval, cutting off the charging load; when the charging voltage is greater than the lower limit voltage in the qualified voltage interval, reducing the charging voltage according to the load voltage sensitivity.

[0173] Optionally, the processor may also execute program codes of the following steps: determining the first voltage allowable adjustment amount based on the difference between the charging voltage and the lower limit voltage in the voltage qualified interval; determining the first voltage demand adjustment amount based on the ratio of the difference between the charging load and the upper limit load in the load qualified interval to the load voltage sensitivity; cutting off the charging load when the first voltage demand adjustment amount is greater than the first voltage allowable adjustment amount; and adjusting the charging voltage downward according to the first voltage demand adjustment amount when the first voltage demand adjustment amount is not greater than the first voltage allowable adjustment amount.

[0174] Optionally, the processor may also execute the program code of the following steps: when the charging load is not greater than the upper limit load in the qualified load interval, detecting whether the charging voltage is less than the upper limit voltage in the qualified voltage interval; when the charging voltage is not less than the upper limit voltage in the qualified voltage interval, generating an alarm message; when the charging voltage is less than the upper limit voltage in the qualified voltage interval, increasing the charging voltage according to the load voltage sensitivity.

[0175] Optionally, the processor may also execute program codes of the following steps: determining the allowable adjustment amount of the second voltage based on the difference between the upper limit voltage in the voltage qualified interval and the charging voltage; determining the second voltage demand adjustment amount based on the ratio of the difference between the lower limit load in the load qualified interval and the charging load to the load voltage sensitivity; generating an alarm message when the second voltage demand adjustment amount is greater than the second voltage allowable adjustment amount; and adjusting the charging voltage upward according to the second voltage demand adjustment amount when the second voltage demand adjustment amount is not greater than the second voltage allowable adjustment amount.

[0176] Optionally, the processor may also execute the program code of the following steps: when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, detecting whether the charging voltage is less than the lower limit voltage in the qualified voltage interval; when the charging voltage is less than the lower limit voltage in the qualified voltage interval, reducing the charging load according to the load voltage sensitivity; when the charging voltage is not less than the lower limit voltage in the qualified voltage interval, increasing the charging load according to the load voltage sensitivity.

[0177] Optionally, the processor may also execute program codes of the following steps: determining a third voltage requirement adjustment amount based on a difference between the lower limit voltage in the voltage qualified interval and the charging voltage; determining a third voltage allowable adjustment amount based on a ratio of a difference between the charging load and the lower limit load in the load qualified interval to the load voltage sensitivity; when the third voltage requirement adjustment amount is greater than the third voltage allowable adjustment amount, adjusting the charging load to the lower limit load in the load qualified interval; when the third voltage requirement adjustment amount is not greater than the third voltage allowable adjustment amount, adjusting the charging load downward according to the product of the third voltage requirement adjustment amount and the load voltage sensitivity.

[0178] Optionally, the processor may also execute program codes of the following steps: determining the fourth voltage demand adjustment amount based on the difference between the charging voltage and the upper limit voltage in the voltage qualified interval; determining the fourth voltage allowable adjustment amount based on the ratio of the difference between the upper limit load in the load qualified interval and the charging load to the load voltage sensitivity; when the fourth voltage demand adjustment amount is greater than the fourth voltage allowable adjustment amount, adjusting the charging load to the upper limit load in the load qualified interval; when the fourth voltage demand adjustment amount is not greater than the fourth voltage allowable adjustment amount, adjusting the charging load upward according to the product of the fourth voltage demand adjustment amount and the load voltage sensitivity.

[0179] By adopting the embodiment of the present invention, a load regulation scheme is provided. In the embodiment of the present invention, the charging parameters and load voltage sensitivity of the charging station are obtained, wherein the charging parameters at least include: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; when the charging load is outside the qualified load interval, the charging voltage is adjusted according to the load voltage sensitivity, and the charging load is controlled within the qualified load interval by adjusting the charging voltage to avoid the phenomenon of overloading the feeder due to load superposition; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, the charging load is adjusted according to the load voltage sensitivity, and the charging voltage is adjusted back to the qualified voltage interval by adjusting the charging load to avoid the risk of over-limit of the feeder voltage, thereby achieving the technical effect of effectively controlling the charging load, and further solving the technical problem that there is no control means for the charging load in the prior art.

[0180] It can be understood by those skilled in the art that Fig.11 The structure shown is for illustration only, and the computer terminal may also be a smart phone (such as , tablet computers, handheld computers, mobile Internet devices (MID), PAD and other terminal devices. Fig.11 The structure of the electronic device is not limited. For example, the computer terminal 1100 may also include Fig.11 More or fewer components (such as network interfaces, display devices, etc.) shown in, or with Fig.11 Different configurations are shown.

[0181] A person of ordinary skill in the art may understand that all or part of the steps in the various methods of the above embodiments may be completed by instructing the hardware related to the terminal device through a computer program. The computer program may be stored in a non-volatile medium. The non-volatile storage medium may include: a flash drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0182] The embodiment of the present invention further provides a non-volatile storage medium. Optionally, in this embodiment, the non-volatile storage medium can be used to store the program code executed by the load adjustment method provided in the above embodiment.

[0183] Optionally, in this embodiment, the non-volatile storage medium may be located in any computer terminal in a computer terminal group in a computer network, or in any mobile terminal in a mobile terminal group.

[0184] Optionally, in this embodiment, the non-volatile storage medium is configured to store program code for executing the following steps: obtaining charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters include at least: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to changes in the charging voltage; when the charging load is outside the qualified load interval, adjusting the charging voltage according to the load voltage sensitivity; when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, adjusting the charging load according to the load voltage sensitivity.

[0185] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: in each charging cycle in which the charging station charges the charged object, collecting charging parameters corresponding to each collection moment of the charging station at a preset time interval; determining the instantaneous sensitivity based on the ratio of the charging load and charging voltage at the current collection moment to the difference between the charging load and charging voltage at the previous collection moment; determining the load voltage sensitivity based on the average value of the instantaneous sensitivities corresponding to the current collection moment in this charging cycle and multiple historical collection moments before the current collection moment.

[0186] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: detecting whether the charging load is outside the qualified load interval; and when the charging load is within the qualified load interval, detecting whether the charging voltage is outside the qualified voltage interval.

[0187] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: when the charging load is outside the load qualification interval, detecting whether the charging load is greater than the upper limit load in the load qualification interval; when the charging load is greater than the upper limit load in the load qualification interval, detecting whether the charging voltage is greater than the lower limit voltage in the voltage qualification interval; when the charging voltage is not greater than the lower limit voltage in the voltage qualification interval, cutting off the charging load; when the charging voltage is greater than the lower limit voltage in the voltage qualification interval, reducing the charging voltage according to the load voltage sensitivity.

[0188] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: determining a first voltage allowable adjustment amount based on a difference between a charging voltage and a lower voltage limit in a qualified voltage interval; determining a first voltage demand adjustment amount based on a ratio of a difference between a charging load and an upper limit load in a qualified load interval to a load voltage sensitivity; cutting off the charging load when the first voltage demand adjustment amount is greater than the first voltage allowable adjustment amount; and adjusting the charging voltage downward according to the first voltage demand adjustment amount when the first voltage demand adjustment amount is not greater than the first voltage allowable adjustment amount.

[0189] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: when the charging load is not greater than the upper limit load in the load qualification interval, detecting whether the charging voltage is less than the upper limit voltage in the voltage qualification interval; when the charging voltage is not less than the upper limit voltage in the voltage qualification interval, generating an alarm message; when the charging voltage is less than the upper limit voltage in the voltage qualification interval, increasing the charging voltage according to the load voltage sensitivity.

[0190] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: determining the second voltage allowable adjustment amount based on the difference between the upper limit voltage in the voltage qualified interval and the charging voltage; determining the second voltage demand adjustment amount based on the ratio of the difference between the lower limit load in the load qualified interval and the charging load to the load voltage sensitivity; generating an alarm message when the second voltage demand adjustment amount is greater than the second voltage allowable adjustment amount; and adjusting the charging voltage upward according to the second voltage demand adjustment amount when the second voltage demand adjustment amount is not greater than the second voltage allowable adjustment amount.

[0191] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: when the charging load is within the load qualification interval and the charging voltage is outside the voltage qualification interval, detecting whether the charging voltage is less than the lower limit voltage in the voltage qualification interval; when the charging voltage is less than the lower limit voltage in the voltage qualification interval, reducing the charging load according to the load voltage sensitivity; when the charging voltage is not less than the lower limit voltage in the voltage qualification interval, increasing the charging load according to the load voltage sensitivity.

[0192] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: determining a third voltage requirement adjustment amount based on a difference between a lower limit voltage in a voltage qualified interval and the charging voltage; determining a third voltage allowable adjustment amount based on a ratio of a difference between a charging load and a lower limit load in a load qualified interval to a load voltage sensitivity; when the third voltage requirement adjustment amount is greater than the third voltage allowable adjustment amount, adjusting the charging load to the lower limit load in the load qualified interval; when the third voltage requirement adjustment amount is not greater than the third voltage allowable adjustment amount, adjusting the charging load downward according to the product of the third voltage requirement adjustment amount and the load voltage sensitivity.

[0193] Optionally, in this embodiment, the non-volatile storage medium is configured to store program codes for executing the following steps: determining the fourth voltage requirement adjustment amount based on the difference between the charging voltage and the upper limit voltage in the voltage qualified interval; determining the fourth voltage allowable adjustment amount based on the ratio of the difference between the upper limit load in the load qualified interval and the charging load to the load voltage sensitivity; when the fourth voltage requirement adjustment amount is greater than the fourth voltage allowable adjustment amount, adjusting the charging load to the upper limit load in the load qualified interval; when the fourth voltage requirement adjustment amount is not greater than the fourth voltage allowable adjustment amount, adjusting the charging load upward according to the product of the fourth voltage requirement adjustment amount and the load voltage sensitivity.

[0194] The embodiment of the present invention further provides a computer program product, including a computer program. Optionally, in this embodiment, when the computer program is executed by a processor, the steps of the load regulation method provided in the above embodiment are implemented.

[0195] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0196] In the above embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0197] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0198] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0199] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0200] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a non-volatile storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a non-volatile storage medium, including several instructions for a computer device (which can be a personal computer, server or network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned non-volatile storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk, etc., which can store program code.

[0201] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A load regulation method, characterized in that: include: Acquiring charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters at least include: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; When the charging load is outside the qualified load range, adjusting the charging voltage according to the load voltage sensitivity; When the charging load is within the qualified load range and the charging voltage is outside the qualified voltage range, adjusting the charging load according to the load voltage sensitivity; Among them, obtaining the charging parameters and load voltage sensitivity of the charging station includes: In each charging cycle of the charging station charging the object to be charged, collecting the charging parameters corresponding to each collection moment of the charging station at a preset time interval; Determine instantaneous sensitivity according to the ratio of the charging load and the charging voltage at the current acquisition moment to the difference between the charging load and the charging voltage at the previous acquisition moment; Determine the load voltage sensitivity according to the average value of the instantaneous sensitivity corresponding to the current collection moment and multiple historical collection moments before the current collection moment in this charging cycle; Wherein, when the charging load is outside the qualified load range, adjusting the charging voltage according to the load voltage sensitivity includes: When the charging load is outside the qualified load interval, detecting whether the charging load is greater than an upper limit load in the qualified load interval; When the charging load is greater than the upper limit load in the qualified load interval, detecting whether the charging voltage is greater than the lower limit voltage in the qualified voltage interval; When the charging voltage is not greater than a lower limit voltage in the voltage qualification range, cutting off the charging load; When the charging voltage is greater than a lower limit voltage in the voltage qualification range, reducing the charging voltage according to the load voltage sensitivity; Wherein, when the charging load is not greater than the upper limit load in the load qualified interval, detecting whether the charging voltage is less than the upper limit voltage in the voltage qualified interval; generating a warning message when the charging voltage is not less than an upper limit voltage in the voltage qualified interval; When the charging voltage is less than an upper limit voltage in the voltage qualification range, increasing the charging voltage according to the load voltage sensitivity; Wherein, when the charging load is within the qualified load range and the charging voltage is outside the qualified voltage range, adjusting the charging load according to the load voltage sensitivity includes: When the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval, detecting whether the charging voltage is less than a lower limit voltage in the qualified voltage interval; When the charging voltage is less than a lower limit voltage in the voltage qualification range, reducing the charging load according to the load voltage sensitivity; When the charging voltage is not less than a lower limit voltage in the voltage qualification range, the charging load is increased according to the load voltage sensitivity.

2. The method according to claim 1, characterized in that After acquiring the charging parameters and load voltage sensitivity of the charging station, the method further includes: Detecting whether the charging load is outside a qualified load range; When the charging load is within the qualified load range, it is detected whether the charging voltage is outside the qualified voltage range.

3. The method according to claim 1, characterized in that: When the charging voltage is greater than a lower limit voltage in the voltage qualification range, reducing the charging voltage according to the load voltage sensitivity includes: Determining a first voltage allowable adjustment amount according to a difference between the charging voltage and a lower limit voltage in the voltage qualified range; Determining a first voltage demand adjustment amount according to a ratio of a difference between the charging load and an upper limit load in the load qualified interval to the load voltage sensitivity; When the first voltage requirement adjustment amount is greater than the first voltage allowable adjustment amount, cutting off the charging load; When the first voltage requirement adjustment amount is not greater than the first voltage allowable adjustment amount, the charging voltage is adjusted downward according to the first voltage requirement adjustment amount.

4. The method according to claim 1, characterized in that: When the charging voltage is less than the upper limit voltage in the voltage qualification interval, increasing the charging voltage according to the load voltage sensitivity includes: Determining a second voltage allowable adjustment amount according to a difference between an upper limit voltage in the voltage qualified interval and the charging voltage; Determining a second voltage demand adjustment amount according to a ratio of a difference between a lower limit load in the load qualified interval and the charging load to the load voltage sensitivity; generating an alarm message when the second voltage requirement adjustment amount is greater than the second voltage allowable adjustment amount; When the second voltage requirement adjustment amount is not greater than the second voltage allowable adjustment amount, the charging voltage is adjusted upward according to the second voltage requirement adjustment amount.

5. The method according to claim 1, characterized in that When the charging voltage is less than a lower limit voltage in the voltage qualification interval, reducing the charging load according to the load voltage sensitivity includes: determining a third voltage requirement adjustment amount according to a difference between a lower limit voltage in the voltage qualified interval and the charging voltage; determining a third voltage allowable adjustment amount according to a ratio of a difference between the charging load and a lower limit load in the load qualified interval to the load voltage sensitivity; When the third voltage requirement adjustment amount is greater than the third voltage allowable adjustment amount, adjusting the charging load to a lower limit load in the load qualified range; When the third voltage requirement adjustment amount is not greater than the third voltage allowable adjustment amount, the charging load is adjusted downward according to the product of the third voltage requirement adjustment amount and the load voltage sensitivity.

6. The method according to claim 1, characterized in that When the charging voltage is not less than the lower limit voltage in the voltage qualified range, increasing the charging load according to the load voltage sensitivity includes: determining a fourth voltage requirement adjustment amount according to a difference between the charging voltage and an upper limit voltage in the voltage qualified interval; determining a fourth voltage allowable adjustment amount according to a ratio of a difference between an upper limit load in the load qualified interval and the charging load to the load voltage sensitivity; When the fourth voltage requirement adjustment amount is greater than the fourth voltage allowable adjustment amount, adjusting the charging load to an upper limit load in the load qualified range; When the fourth voltage requirement adjustment amount is not greater than the fourth voltage allowable adjustment amount, the charging load is adjusted upward according to the product of the fourth voltage requirement adjustment amount and the load voltage sensitivity.

7. A load adjustment device, characterized in that: include: An acquisition module, used to acquire charging parameters and load voltage sensitivity of the charging station, wherein the charging parameters at least include: charging load and charging voltage, and the load voltage sensitivity indicates the sensitivity of the charging load to the change of the charging voltage; A first regulating module, configured to regulate the charging voltage according to the load voltage sensitivity when the charging load is outside the qualified load range; A second regulating module, configured to regulate the charging load according to the load voltage sensitivity when the charging load is within the load qualified interval and the charging voltage is outside the voltage qualified interval; Wherein, the acquisition module includes: A collection unit, configured to collect the charging parameters corresponding to each collection moment of the charging station at a preset time interval during each charging cycle of the charging station charging the object to be charged; A first determining unit, configured to determine instantaneous sensitivity according to a ratio of a difference between the charging load and the charging voltage at a current collection moment and a difference between the charging load and the charging voltage at a previous collection moment; A second determining unit, configured to determine the load voltage sensitivity according to an average value of the instantaneous sensitivities corresponding to the current collection moment and a plurality of historical collection moments before the current collection moment in this charging cycle; Wherein, the first adjustment module includes: A first detection unit, configured to detect whether the charging load is greater than an upper limit load in the qualified load interval when the charging load is outside the qualified load interval; a second detection unit, configured to detect whether the charging voltage is greater than a lower limit voltage in the voltage qualified interval when the charging load is greater than an upper limit load in the load qualified interval; a cutting unit, configured to cut off the charging load when the charging voltage is not greater than a lower limit voltage in the voltage qualified interval; a first regulating unit, configured to reduce the charging voltage according to the load voltage sensitivity when the charging voltage is greater than a lower limit voltage in the voltage qualified interval; a third detection unit, configured to detect whether the charging voltage is less than an upper limit voltage in the voltage qualified interval when the charging load is not greater than an upper limit load in the load qualified interval; an alarm unit, configured to generate an alarm message when the charging voltage is not less than an upper limit voltage in the voltage qualified interval; a second regulating unit, configured to increase the charging voltage according to the load voltage sensitivity when the charging voltage is less than an upper limit voltage in the voltage qualified interval; Wherein, the second adjustment module includes: a fourth detection unit, configured to detect whether the charging voltage is less than a lower limit voltage in the qualified voltage interval when the charging load is within the qualified load interval and the charging voltage is outside the qualified voltage interval; a third regulating unit, configured to reduce the charging load according to the load voltage sensitivity when the charging voltage is less than a lower limit voltage in the voltage qualified interval; The fourth regulating unit is used to increase the charging load according to the load voltage sensitivity when the charging voltage is not less than a lower limit voltage in the voltage qualified range.

8. A non-volatile storage medium, characterized in that: The non-volatile storage medium stores a computer program, wherein the load adjustment method according to any one of claims 1 to 6 is executed by running the computer program in the device where the non-volatile storage medium is located.

9. An electronic device, comprising a memory and a processor, characterized in that: A computer program is stored in the memory, and the processor is configured to execute the load regulation method according to any one of claims 1 to 6 through the computer program.

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

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