CN111342481B - Charging station distribution transformer overload protection method and system based on energy storage - Google Patents

Charging station distribution transformer overload protection method and system based on energy storage Download PDF

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Publication number
CN111342481B
CN111342481B CN202010164629.5A CN202010164629A CN111342481B CN 111342481 B CN111342481 B CN 111342481B CN 202010164629 A CN202010164629 A CN 202010164629A CN 111342481 B CN111342481 B CN 111342481B
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real
transformer
time
power
energy storage
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CN111342481A (en
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文安
吴铭
马俊杰
尹文涛
陈建文
李浩正
杜金峰
黄穗龙
郭芳
刘国特
赵攀
刚毅
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GUANGDONG TIANSHU NEW ENERGY TECHNOLOGY Co.,Ltd.
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Foshan University
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to the technical field of electric vehicle charging pile coordinated charging control, in particular to a protection method for restraining overload of a distribution transformer of a charging station by utilizing energy storage, which comprises the following steps: firstly, reading energy storage parameters, transformer parameters and charging station parameters, and then judging the real-time power S of the transformerVariable (real-time)Whether it is greater than rated power S of transformerVariable (rated)To judge whether the transformer is overloaded; when the transformer is overloaded, the load of the transformer is reduced by coordinately controlling the output power of the stored energy and the output power of each charging pile so as to carry out overload protection on the transformer.

Description

Charging station distribution transformer overload protection method and system based on energy storage
Technical Field
The invention relates to the technical field of charging pile coordinated charging control, in particular to a charging station distribution transformer overload protection method and system based on energy storage.
Background
The China electric vehicle industry develops rapidly, and the rapid expansion needs enough charging facilities to be matched with the China electric vehicle industry, but the load requirements of electric vehicle charging stations are not considered in the previous electric power system planning. However, the existing power distribution network is particularly difficult to support the grid-connected operation of the large-scale charging piles in an intensive urban area, and the corresponding upgrading and capacity expansion difficulty is large and the investment is huge.
The charging demand of the social vehicle is satisfied to the maximum extent under the condition that the power load is limited and the charging demand is vigorous. The charging station ordered charging needs to be researched, great progress and breakthrough are made on the research of the charging station ordered charging at home at present, but most of the research stays at a theoretical stage, the practical system application range is small, and the function is incomplete.
Disclosure of Invention
The present invention is directed to a charging station distribution transformer overload protection method and system based on energy storage, which solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.
In order to achieve the purpose, the invention provides the following technical scheme:
in one aspect, the invention provides a charging station distribution transformer overload protection method based on energy storage, which comprises the following steps:
reading energy storage parameters, transformer parameters and charging station parameters, wherein the energy storage parameters comprise energy storage rated power SStore (rating)And stored energy real time power SStore (real-time)(ii) a The transformer parameter comprises real-time power S of the transformerVariable (real-time)Transformer unitConstant power SVariable (rated)(ii) a The charging station parameters comprise charging station real-time power S under transformer controlStation (real time)The number of charging piles inside the charging station and the real-time power S of each charging pilePile (real time)；
By judging the real-time power S of the transformerVariable (real-time)Whether it is greater than rated power S of transformerVariable (rated)To judge whether the transformer is overloaded;
when the transformer overloads, each charging pile is controlled to reduce the real-time output power so as to carry out overload protection on the transformer.
Preferably, when transformer overload, control each and fill electric pile and reduce real-time output to carry out overload protection to the transformer, include:
calculating transformer overload amount S1, wherein transformer overload amount S1 is transformer real-time power SVariable (real-time)Rated power S of the transformerVariable (rated)；
Real-time power S when energy is storedStore (real-time)When the real-time power S is reduced to 0 degree, each charging pile is controlled to reduce the real-time power S in proportionPile (real time)A post power P1 output, wherein P1 ═ SPile (real time)－S1*SPile (real time)/SStation (real time)；
Real-time power S when energy is storedStore (real-time)When the voltage exceeds 0, the overload capacity S1 of the transformer is compared with the rated energy storage power SStore (rating)The size of (d);
if S1 is less than or equal to SStore (rating)And then controlling each charging pile to adopt energy storage real-time power SStore (real-time)Outputting;
if S1 > SStore (rating)And then controlling each charging pile to reduce the real-time power S in proportionPile (real time)A post power P2 output, wherein P2 ═ SPile (real time)－(S1－SStore (real-time))*SPile (real time)/SStation (real time)；
Real-time power S when energy is storedStore (real-time)If the power is less than 0, if the stored energy is charged through the residual load of the transformer and the real-time power S of the charging stationStation (real time)When the overload capacity of the transformer is not less than S1, each charging is controlledAnd outputting the power P2 by the piles, otherwise, stopping charging the stored energy, and controlling each charging pile to output the power P1.
Further, the method further comprises: when the overload capacity S1 of the transformer is less than or equal to 0, controlling each charging pile to work according to the real-time power SPile (real time)And (6) outputting.
Further, the method further comprises: and judging whether the transformer is overloaded or not at set time intervals, wherein the value range of the set time intervals is 1-10 minutes.
In another aspect, the present invention further provides an overload protection system for a charging station distribution transformer based on energy storage, the system comprising: the system comprises a cloud platform, an energy storage, a transformer and a charging station;
the cloud platform is respectively in communication connection with the energy storage station, the transformer and the charging station, and the transformer is respectively connected with the energy storage station and the charging station;
the energy storage is used for reporting energy storage parameters to the cloud platform, and the energy storage parameters comprise energy storage rated power SStore (rating)And stored energy real time power SStore (real-time)；
The transformer is used for reporting transformer parameters to the cloud platform, and the transformer parameters comprise real-time power S of the transformerVariable (real-time)Rated power S of transformerVariable (rated)；
The charging station is used for reporting charging station parameters to the cloud platform, and the charging station parameters comprise charging station real-time power S under the control of the transformerStation (real time)The number of charging piles inside the charging station and the real-time power S of each charging pilePile (real time)；
The cloud platform comprises a memory, a processor and a program stored on the memory and executable on the processor, wherein the program when executed by the processor implements any of the steps of the energy storage based charging station distribution transformer overload protection method described above.
The invention has the beneficial effects that: the invention discloses a charging station distribution transformer overload protection method and system based on energy storage, wherein the method comprises the following steps: firstly, reading energy storage parameters, transformer parameters and charging station parametersCounting, then judging the real-time power S of the transformerVariable (real-time)Whether it is greater than rated power S of transformerVariable (rated)To judge whether the transformer is overloaded; when the transformer overloads, each charging pile is controlled to reduce the real-time output power so as to carry out overload protection on the transformer. The invention can carry out overload protection on the transformer when the charging pile is charged simultaneously in a large scale.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a charging station distribution transformer overload protection method based on energy storage according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of step S300 in FIG. 1 according to an embodiment of the present invention;
fig. 3 is a block diagram of an overload protection system for a distribution transformer of a charging station based on energy storage according to an embodiment of the present invention.
Detailed Description
The conception, specific structure and technical effects of the present disclosure will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, aspects and effects of the present disclosure. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1, fig. 1 shows an overload protection method for a charging station distribution transformer based on energy storage, which includes the following steps:
s100, reading energy storage parameters, transformer parameters and charging station parameters;
wherein the energy storage parameter comprises an energy storage rated power SStore (rating)And stored energy real time power SStore (real-time)(ii) a The transformer parameter comprises real-time power S of the transformerVariable (real-time)Rated power S of transformerVariable (rated)(ii) a The charging station parameters comprise charging station real-time power S under transformer controlStation (real time)The number of charging piles inside the charging station and the real-time power S of each charging pilePile (real time)。
Step S200, judging the real-time power S of the transformerVariable (real-time)Whether it is greater than rated power S of transformerVariable (rated)To judge whether the transformer is overloaded.
And step S300, when the transformer is overloaded, controlling each charging pile to reduce the real-time output power so as to perform overload protection on the transformer.
In this embodiment, first, the energy storage parameter, the transformer parameter, and each charging pile parameter are read, the power parameter of the charging system is preliminarily obtained, and then the real-time power S of the transformer is determinedVariable (real-time)Whether it is greater than rated power S of transformerVariable (rated)To judge whether the transformer is overloaded; when the transformer overloads, each charging pile is controlled to reduce the real-time output power so as to carry out overload protection on the transformer. This embodiment is not changing the transformer and not influencing under the normal condition of working of other power loads of this transformer, according to the real-time power of transformer, reasonable effectual control each fills electric pile and reduces real-time output power, when filling electric pile extensive while and charging, carries out overload protection to the transformer.
Referring to fig. 2, in a modified embodiment, step S300 specifically includes:
step S310, calculating the overload capacity of the transformer S1; wherein, the transformer overload amount S1 is the real-time power S of the transformerVariable (real-time)Rated power S of the transformerVariable (rated)。
Step S320, judging whether the transformer overload amount S1 is larger than 0, if not, jumping to step S390, if so, executing the following steps;
step S330, judging the real-time power S of the stored energyStore (real-time)When the real-time power S of the stored energy isStore (real-time)When the value is 0, step S340 is executed, and when the energy storage real-time power S is upStore (real-time)If the power is more than 0, executing the step S350, and storing the real-time power SStore (real-time)If < 0, go to step S380;
step S340, controlling each charging pile to reduce real-time power in proportionPile (real time)A post power P1 output, wherein P1 ═ SPile (real time)－S1*SPile (real time)/SStation (real time)。
In this embodiment, the percentage G of the real-time power of each charging pile to the power of the charging station is represented as: g ═ SPile (real time)/SStation (real time)And regulating the overload quantity S1 of the transformer as real-time power S according to the proportion coefficient of G due to the existence of the stored energyPile (real time)The final output power P1 is obtained, thereby achieving the purpose of restraining the power distribution overload.
Step S350, comparing the overload capacity S1 of the transformer with the rated energy storage power SStore (rating)If S1 is less than or equal to SStore (rating)Step S360 is executed, if S1 > SStore (rating)Step S370 is performed.
S360, controlling each charging pile to adopt energy storage real-time power SStore (real-time)Outputting;
step S370, controlling each charging pile to reduce real-time power in proportionPile (real time)A post power P2 output, wherein P2 ═ SPile (real time)－(S1－SStore (real-time))*SPile (real time)/SStation (real time)(ii) a Thereby achieving the purpose of restraining the power distribution overload.
In this embodiment, the transformer overload amount S1 and the energy storage real-time power S are setStore (real-time)The difference of (d) is represented as S2, S2 ═ transformer overload amount S1 — energy storage real time power SStore (real-time)Adjusting the transformer overload amount S2 as the real-time power S according to the proportion coefficient of GPile (real time)The final output power P2 is obtained, thereby achieving the purpose of restraining the power distribution overload.
Step S380, when the stored energy is charged through the residual load of the transformer, if the charging station has real-time power SStation (real time)And controlling the output of power P2 of each charging pile when the overload capacity of the transformer is greater than or equal to S1, otherwise, stopping charging the stored energy and controlling each charging pileThe charging pile outputs by adopting power P1.
In this step, the charging of the stored energy is provided by the residual load of the transformer, and in a specific embodiment, the load of the transformer is derived from the cell load, the stored energy charging load and the charging station load, and then the residual load of the transformer is derived from the cell load and the charging station load, when the power consumption peak period is long, if the real-time power S station (real-time) of the charging station under the transformer is less than the transformer overload amount S1, the charging of the stored energy will affect the overload regulation capability of the transformer, and the overload amount of the transformer is large, so the stored energy charging at this time is to be turned off.
Step S390, controlling each charging pile to work according to the real-time power SPile (real time)And (6) outputting.
According to the charging and discharging state of the transformer in real time and the energy storage, under the condition that the transformer is not replaced and normal work of other electric loads of the transformer is not influenced, more user charging requirements are met by maximally utilizing available energy storage capacity and transformer capacity, the transformer can be enabled not to be overloaded all the time through real-time adjustment and algorithm of energy storage, and the economic benefit and the safe charging reliability of the electric vehicle charging station are improved.
Further, the method further comprises: and judging whether the transformer is overloaded or not at set time intervals, wherein the value range of the set time intervals is 1-10 minutes.
Illustratively, the energy storage parameters are read in real time, whether the transformer is overloaded or not is judged every 5 minutes, and when the transformer is overloaded, the step S300 is executed, so that the transformer is not overloaded and the safe charging of a user can be met under the conditions that the transformer is not replaced and the normal work of other electric loads is not influenced.
Referring to fig. 3, an embodiment of the present invention further provides an overload protection system for a charging station distribution transformer based on energy storage, where the system includes: cloud platform 100, energy storage 200, transformer 300, and charging station 400;
the cloud platform 100 is respectively in communication connection with the energy storage 200, the transformer 300 and the charging station 400, and the transformer 300 is respectively electrically connected with the energy storage 200 and the charging station 400;
the energy storage 200 is configured to report energy storage parameters to the cloud platform 100, where the energy storage parameters include an energy storage rated power SStore (rating)And stored energy real time power SStore (real-time)；
The transformer 300 is configured to report transformer parameters to the cloud platform 100, where the transformer parameters include a transformer real-time power SVariable (real-time)Rated power S of transformerVariable (rated)；
The charging station 400 is configured to report charging station parameters to a cloud platform, where the charging station parameters include charging station real-time power S under control of a transformerStation (real time)The number of charging piles inside the charging station and the real-time power S of each charging pilePile (real time)；
The cloud platform 100 includes a memory, a processor, and a program stored on the memory and executable on the processor, where the program when executed by the processor implements any of the steps of the energy storage based charging station distribution transformer overload protection method described above.
It can be seen that the contents in the foregoing method embodiments are all applicable to this system embodiment, the functions specifically implemented by this system embodiment are the same as those in the foregoing method embodiment, and the advantageous effects achieved by this system embodiment are also the same as those achieved by the foregoing method embodiment.
Through the above description of the embodiments, it is clear to those skilled in the art that the method of the above embodiments can be implemented by software and loaded into a processor in the form of software, so as to effectively utilize the read energy storage parameters to perform overload protection on the distribution transformer of the charging station. Based on this understanding, the technical solutions of the present invention may be embodied in the form of software products, which essentially or partially contribute to the prior art.
The Processor may be a Central-Processing Unit (CPU), other general-purpose Processor, a Digital Signal Processor (DSP), an application-Specific-Integrated-Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like that is the control center for the energy storage based charging station distribution transformer overload protection system, with various interfaces and lines connecting the various parts of the overall charging station distribution transformer overload protection system.
The memory may be configured to store the computer programs and/or modules, and the processor may be configured to implement the various functions of the energy storage based charging station distribution transformer overload protection system by executing or executing the computer programs and/or modules stored in the memory and invoking the data stored in the memory. The memory may primarily include a program storage area and a data storage area, which may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart-Media-Card (SMC), a Secure-Digital (SD) Card, a Flash-memory Card (Flash-Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
While the present disclosure has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed with references to the appended claims so as to provide a broad, possibly open interpretation of such claims in view of the prior art, and to effectively encompass the intended scope of the disclosure. Furthermore, the foregoing describes the disclosure in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the disclosure, not presently foreseen, may nonetheless represent equivalent modifications thereto.

Claims (4)

1. An overload protection method for a distribution transformer of a charging station based on energy storage is characterized by comprising the following steps:
reading energy storage parameters, transformer parameters and charging station parameters, saidThe energy storage parameter comprises the rated energy storage power SStore (rating)And stored energy real time power SStore (real-time)(ii) a The transformer parameter comprises real-time power S of the transformerVariable (real-time)Rated power S of transformerVariable (rated)(ii) a The charging station parameters comprise charging station real-time power S under transformer controlStation (real time)The number of charging piles inside the charging station and the real-time power S of each charging pilePile (real time)；
By judging the real-time power S of the transformerVariable (real-time)Whether it is greater than rated power S of transformerVariable (rated)To judge whether the transformer is overloaded;
when the transformer is overloaded, each charging pile is controlled to reduce the real-time output power so as to perform overload protection on the transformer;
wherein, when transformer overload, control each and fill electric pile and reduce real-time output to carry out overload protection to the transformer, include:
calculating transformer overload amount S1, wherein transformer overload amount S1 is transformer real-time power SVariable (real-time)Rated power S of the transformerVariable (rated)；
Real-time power S when energy is storedStore (real-time)When the real-time power S is reduced to 0 degree, each charging pile is controlled to reduce the real-time power S in proportionPile (real time)A post power P1 output, wherein P1 ═ SPile (real time)－S1*SPile (real time)/SStation (real time)；
Real-time power S when energy is storedStore (real-time)When the voltage exceeds 0, the overload capacity S1 of the transformer is compared with the rated energy storage power SStore (rating)The size of (d);
if S1 is less than or equal to SStore (rating)And then controlling each charging pile to adopt energy storage real-time power SStore (real-time)Outputting;
if S1 > SStore (rating)And then controlling each charging pile to reduce the real-time power S in proportionPile (real time)A post power P2 output, wherein P2 ═ SPile (real time)－(S1－SStore (real-time))*SPile (real time)/SStation (real time)；
Real-time power S when energy is storedStore (real-time)If the power is less than 0, if the stored energy is charged through the residual load of the transformer and the real-time power S of the charging stationStation (real time)And when the overload capacity of the transformer is not less than S1, controlling each charging pile to output power P2, otherwise, stopping charging the stored energy, and controlling each charging pile to output power P1.
2. The energy storage based charging station distribution transformer overload protection method of claim 1, further comprising:
when the overload capacity S1 of the transformer is less than or equal to 0, controlling each charging pile to work according to the real-time power SPile (real time)And (6) outputting.
3. The energy storage based charging station distribution transformer overload protection method of claim 1, further comprising: and judging whether the transformer is overloaded or not at set time intervals, wherein the value range of the set time intervals is 1-10 minutes.
4. A charging station distribution transformer overload protection system based on energy storage, the system comprising: the system comprises a cloud platform, an energy storage, a transformer and a charging station;
the cloud platform is respectively in communication connection with the energy storage station, the transformer and the charging station, and the transformer is respectively connected with the energy storage station and the charging station;
the energy storage is used for reporting energy storage parameters to the cloud platform, and the energy storage parameters comprise energy storage rated power SStore (rating)And stored energy real time power SStore (real-time)；
The transformer is used for reporting transformer parameters to the cloud platform, and the transformer parameters comprise real-time power S of the transformerVariable (real-time)Rated power S of transformerVariable (rated)；
The charging station is used for reporting charging station parameters to the cloud platform, and the charging station parameters comprise charging station real-time power S under the control of the transformerStation (real time)The number of charging piles inside the charging station and the real-time power S of each charging pilePile (A)Real-time)；
The cloud platform comprising a memory, a processor and a program stored on the memory and executable on the processor, the program when executed by the processor implementing the steps of the energy storage based charging station distribution transformer overload protection method of any of claims 1 to 3.
CN202010164629.5A 2020-03-11 2020-03-11 Charging station distribution transformer overload protection method and system based on energy storage Active CN111342481B (en)

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PCT/CN2020/094634 WO2021179451A1 (en) 2020-03-11 2020-06-05 Overload protection method and system for distribution transformer in charging station employing energy storage apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112248865B (en) * 2020-09-18 2022-03-22 佛山科学技术学院 Charging control method, device and system for electric vehicle charging station
CN113067370B (en) * 2021-03-15 2023-07-18 远景智能国际私人投资有限公司 Charging control method and device of V2G charging station, server and storage medium
CN114142500A (en) * 2021-10-19 2022-03-04 威胜信息技术股份有限公司 Ordered charging control method and device suitable for alternating current charging pile
CN114447961A (en) * 2021-12-27 2022-05-06 广州市奔流电力科技有限公司 Control method and system considering charging power distribution of single-phase alternating current piles and three-phase direct current piles
CN114614558B (en) * 2022-03-18 2024-07-02 国网伊犁伊河供电有限责任公司 Self-adaptive acquisition method and device for overload constant value of spare power automatic switching device
CN117901690A (en) * 2022-10-10 2024-04-19 奥动新能源汽车科技有限公司 Method, system, equipment and storage medium for controlling charging of battery exchange station
CN116154769B (en) * 2023-04-17 2023-07-28 西安领充创享新能源科技有限公司 Transformer overload processing method for transformer area, flexible transformer area system and storage medium
CN116968581B (en) * 2023-07-20 2024-06-04 一能充电科技(深圳)股份有限公司 Charging regulation and control system taking intelligent fusion terminal as core
CN117584790B (en) * 2023-11-23 2024-06-18 北京海蓝云联技术有限公司 Capacity-free charging pile control system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101989750A (en) * 2009-07-31 2011-03-23 严本信 Energy-storage-type intelligent rapid electric motor charging station of accumulator
CN105515027A (en) * 2015-08-06 2016-04-20 樊朝晖 Load curve configurable energy storage micro-grid control method
CN108334991A (en) * 2018-02-12 2018-07-27 清华大学 A kind of electric automobile charging station method and system for planning
CN109361245A (en) * 2018-09-18 2019-02-19 深圳市车电网络有限公司 The power adjustment method, apparatus and storage medium of charging station

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105515083A (en) * 2015-08-20 2016-04-20 樊朝晖 Electric vehicle group charging microgrid control method supporting secure dynamic capacity-increase
CN107528313B (en) * 2017-07-20 2020-04-21 深圳奥特迅电力设备股份有限公司 Power monitoring method, device and system for charging station
CN108075536B (en) * 2017-11-10 2021-10-19 深圳供电局有限公司 Flexible charging regulation and control method for charging pile and charging pile system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101989750A (en) * 2009-07-31 2011-03-23 严本信 Energy-storage-type intelligent rapid electric motor charging station of accumulator
CN105515027A (en) * 2015-08-06 2016-04-20 樊朝晖 Load curve configurable energy storage micro-grid control method
CN108334991A (en) * 2018-02-12 2018-07-27 清华大学 A kind of electric automobile charging station method and system for planning
CN109361245A (en) * 2018-09-18 2019-02-19 深圳市车电网络有限公司 The power adjustment method, apparatus and storage medium of charging station

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