CN111463848A - Charging station load control system, method, device and computer storage medium - Google Patents
Charging station load control system, method, device and computer storage medium Download PDFInfo
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- CN111463848A CN111463848A CN202010194254.7A CN202010194254A CN111463848A CN 111463848 A CN111463848 A CN 111463848A CN 202010194254 A CN202010194254 A CN 202010194254A CN 111463848 A CN111463848 A CN 111463848A
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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
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a charging station load control system, a charging station load control method, a charging station load control device and a computer storage medium.A charging scheduling cloud platform acquires charging power output by a charging pile and acquires outgoing line total power data of a distribution transformer or a distribution network total load switch through a distribution controller to generate an adjusting signal to adjust the charging pile, the total output power of all the charging piles is changed according to the change of the total outgoing power data of the distribution transformer or the distribution network total load switch, thereby not only avoiding the operation safety accidents such as tripping and even burning of the total load switch, but also solving the problem that the charging station can not utilize the peak-valley idle power of the distribution network, realizing the high-power charging output of a large number of charging piles, and avoid investing into too much distribution assets, further realize the economy of charging station, high-efficient operation, shorten the return on investment cycle of charging station and improve the return on investment rate of charging station.
Description
Technical Field
The present invention relates to the field of load control technologies, and in particular, to a charging station load control system, method, apparatus, and computer storage medium.
Background
Electric vehicles are now applied to the public life as an important strategy for national development, and electric vehicle charging piles, particularly direct current rapid charging piles, are widely distributed in various parking lots as important infrastructures for popularization of electric vehicles. The electric automobile fills electric pile belongs to high-power consumer, ordinary civilian or commercial transformer capacity can't satisfy a plurality of electric piles and charge simultaneously, and regional electric wire netting distribution capacity is limited or there is peak-to-valley power, there is a large amount of idle power in the valley section, idle power at the peak section is then few, be difficult to utilize, the event wants to support sufficient distribution network capacity in order to satisfy high-power charging, lead to current charging station investment cost height, the website or fill the quantity of electric pile few, can't satisfy the quick growing requirement of charging of electric automobile.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and provides a charging station load control system, method, apparatus and computer storage medium, which can improve the utilization rate of power distribution resources and the return on investment of a charging station, and promote the large-scale layout of the charging infrastructure of an electric vehicle.
A charging station load control system according to an embodiment of a first aspect of the present invention includes:
the charging piles are provided with a plurality of charging piles and used for outputting charging power;
the charging pile controllers correspond to the charging piles one by one and are used for receiving the adjusting signals and the protecting signals of the charging piles and controlling the charging piles to adjust the output charging power;
the distribution controller is used for acquiring the total power data of outgoing lines of the distribution transformer or the distribution network total load switch, transmitting the total power data to the charging scheduling cloud platform, and sending a charging power adjusting signal and a charging power protecting signal to the charging pile controller;
and the charging scheduling cloud platform is used for acquiring the charging power output by all the charging piles, acquiring the total power data of the outgoing lines of the distribution transformer or the distribution network total load switch, and generating a regulating signal and a protecting signal of the charging power to the distribution controller.
The charging station load control system provided by the embodiment of the invention at least has the following beneficial effects: the charging scheduling cloud platform acquires the charging power output by the charging pile and acquires the total power data of outgoing lines of a distribution transformer or a distribution network total load switch through a distribution controller, generates an adjusting signal and a protecting signal to adjust the charging pile, so that the total output power of all the charging piles is changed according to the change of the total power data of the outgoing lines of the distribution transformer or the distribution network total load switch, operation safety accidents such as tripping and even burning of the total load switch can be avoided, the problem that the charging station cannot utilize peak-valley idle power of the distribution network can be solved, large-amount charging piles can be used for high-power charging output, excessive distribution assets are avoided, the economical and efficient operation of the charging station is further realized, the investment return period of the charging station is shortened, and the investment return rate of the charging station.
According to some embodiments of the invention, the distribution controller and the charging pile communicate with the charging scheduling cloud platform via GPRS signals; the charging pile controller is communicated with the power distribution controller through an RS485 or CAN bus; the charging pile controller is communicated with the charging pile through an RS485 bus or a CAN bus.
A charging station load control method according to an embodiment of a second aspect of the present invention is applied to a charging station load control system, including:
the charging piles are provided with a plurality of charging piles and used for outputting charging power;
the charging pile controllers correspond to the charging piles one by one and are used for receiving the adjusting signals and the protecting signals of the charging piles and controlling the charging piles to adjust the output charging power;
the distribution controller is used for acquiring the total power data of outgoing lines of the distribution transformer or the distribution network total load switch, transmitting the total power data to the charging scheduling cloud platform, and sending a charging power adjusting signal and a charging power protecting signal to the charging pile controller;
the charging scheduling cloud platform is used for acquiring charging power output by all charging piles, acquiring total power data of outgoing lines of a distribution transformer or a distribution network total load switch, and generating a regulating signal and a protecting signal of the charging power to a distribution controller;
the method comprises the following steps:
the distribution controller acquires the outgoing line total power data of a distribution transformer or a distribution network total load switch and transmits the outgoing line total power data to the charging scheduling cloud platform;
the charging scheduling cloud platform acquires the outgoing total power data, compares the outgoing total power data with a first preset distribution capacity threshold value, generates adjusting signals for one or more charging pile controllers and transmits the adjusting signals to the distribution controllers; the first preset distribution capacity threshold value is determined according to rated switch power of an outgoing line switch at the low-voltage side of the distribution transformer;
the distribution controller receives the adjusting signal and transmits the adjusting signal to the corresponding charging pile controller, and the charging pile controller controls the charging pile to adjust the output charging power according to the adjusting signal.
The charging station load control method provided by the embodiment of the invention at least has the following beneficial effects: the charging scheduling cloud platform acquires the charging power output by the charging piles and acquires the total power data of outgoing lines of a distribution transformer or a distribution network total load switch through a distribution controller, generates an adjusting signal to adjust the charging piles, so that the total output power of all the charging piles is changed according to the change of the total power data of the outgoing lines of the distribution transformer or the distribution network total load switch, operation safety accidents such as tripping and even burning of the total load switch can be avoided, the problem that the charging stations cannot utilize peak-valley idle power of the distribution network can be solved, large-amount charging piles can be used for high-power charging output, excessive distribution assets are avoided, economic and efficient operation of the charging stations is further achieved, the investment return period of the charging stations is shortened, and the investment return rate of the charging stations is improved.
According to some embodiments of the present invention, if the total outgoing power data is greater than the first preset distribution capacity threshold, the adjustment signal generated by the charging scheduling cloud platform is a down-power-adjustment signal;
and the charging pile controller reduces the charging power of the charging pile according to the power down-regulation signal.
According to some embodiments of the invention, further comprising the steps of:
after a first preset time threshold value, if the outgoing total power data are still larger than the first preset distribution capacity threshold value, the charging scheduling cloud platform generates protection signals for one or more charging pile controllers and transmits the protection signals to the distribution controllers;
the power distribution controller receives the protection signal and transmits the protection signal to the corresponding charging pile controller, and the charging pile controller executes protection measures according to the protection signal.
According to some embodiments of the invention, the protective measures comprise:
and closing the charging pile corresponding to the charging pile controller and/or sending an alarm signal.
According to some embodiments of the present invention, if the total power data of the outgoing lines is smaller than the first preset power distribution capacity threshold, the adjustment signal generated by the charging scheduling cloud platform is an up-regulation power signal;
and the charging pile controller increases the charging power of the charging pile according to the power down-regulation signal.
A charging station load control apparatus according to an embodiment of a third aspect of the present invention includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the charging station load control method according to the embodiment of the second aspect when executing the computer program.
A computer storage medium according to an embodiment of a fourth aspect of the present invention stores computer-executable instructions for performing the charging station load control method according to the embodiment of the second aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a structural diagram of a charging station load control system according to an embodiment of the present invention;
fig. 2 is a flowchart of a charging station load control method according to an embodiment of the present invention;
fig. 3 is a flowchart of a charging station load control method according to another embodiment of the present invention;
fig. 4 is a structural diagram of a charging station load control device according to still another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an embodiment of the present invention provides a charging station load control system including:
the charging piles are provided with a plurality of charging piles and used for outputting charging power;
the charging pile controllers correspond to the charging piles one by one and are used for receiving the adjusting signals and the protecting signals of the charging piles and controlling the charging piles to adjust the output charging power;
the distribution controller is used for acquiring the total power data of outgoing lines of the distribution transformer or the distribution network total load switch, transmitting the total power data to the charging scheduling cloud platform, and sending a charging power adjusting signal and a charging power protecting signal to the charging pile controller;
and the charging scheduling cloud platform is used for acquiring the charging power output by all the charging piles, acquiring the total power data of the outgoing lines of the distribution transformer or the distribution network total load switch, and generating a regulating signal and a protecting signal of the charging power to the distribution controller.
According to the charging station load control system provided by the embodiment of the invention, the charging dispatching cloud platform acquires the charging power output by the charging pile and the total power data of the outgoing lines of the distribution transformer or the distribution network total load switch through the distribution controller to generate an adjusting signal and a protecting signal to adjust the charging pile, the total output power of all the charging piles is changed according to the change of the total outgoing power data of the distribution transformer or the distribution network total load switch, thereby not only avoiding the operation safety accidents such as tripping and even burning of the total load switch, but also solving the problem that the charging station can not utilize the peak-valley idle power of the distribution network, realizing the high-power charging output of a large number of charging piles, and avoid investing into too much distribution assets, further realize the economy of charging station, high-efficient operation, shorten the return on investment cycle of charging station and improve the return on investment rate of charging station.
Preferably, the power distribution controller and the charging pile are communicated with the charging scheduling cloud platform through GPRS signals; the charging pile controller is communicated with the power distribution controller through an RS485 or CAN bus; the charging pile controller is communicated with the charging pile through an RS485 bus or a CAN bus.
Referring to fig. 1 and 2, a charging station load control method according to another embodiment of the present invention is applied to a charging station load control system, where the charging station load control system includes:
the charging piles are provided with a plurality of charging piles and used for outputting charging power;
the charging pile controllers correspond to the charging piles one by one and are used for receiving the adjusting signals and the protecting signals of the charging piles and controlling the charging piles to adjust the output charging power;
the distribution controller is used for acquiring the total power data of outgoing lines of the distribution transformer or the distribution network total load switch, transmitting the total power data to the charging scheduling cloud platform, and sending a charging power adjusting signal and a charging power protecting signal to the charging pile controller;
the charging scheduling cloud platform is used for acquiring charging power output by all charging piles, acquiring total power data of outgoing lines of a distribution transformer or a distribution network total load switch, and generating a regulating signal and a protecting signal of the charging power to a distribution controller;
the method comprises the following steps:
step S100: the distribution controller acquires the outgoing line total power data of a distribution transformer or a distribution network total load switch and transmits the outgoing line total power data to the charging scheduling cloud platform;
step S200: the charging scheduling cloud platform acquires the outgoing total power data, compares the outgoing total power data with a first preset distribution capacity threshold value, generates adjusting signals for one or more charging pile controllers and transmits the adjusting signals to the distribution controllers; the first preset distribution capacity threshold value is determined according to rated switch power of an outgoing line switch at the low-voltage side of the distribution transformer; the charging scheduling cloud platform can also acquire the quantity of charging demand orders of the power station, and generates a regulating signal by combining the comparison result of the total power data of the outgoing lines and the first preset power distribution capacity threshold value;
step S300: the distribution controller receives the adjusting signal and transmits the adjusting signal to the corresponding charging pile controller, and the charging pile controller controls the charging pile to adjust the output charging power according to the adjusting signal.
According to the charging station load control method provided by the embodiment of the invention, the charging scheduling cloud platform acquires the charging power output by the charging piles and the outgoing line total power data of the distribution transformer or the distribution network total load switch through the distribution controller, generates the adjusting signal to adjust the charging piles, so that the total output power of all the charging piles is changed according to the change of the outgoing line total power data of the distribution transformer or the distribution network total load switch, thereby not only avoiding operation safety accidents such as tripping and even burning of the total load switch, but also solving the problem that the charging station cannot utilize peak-valley idle power of the distribution network, realizing large-power charging output of the charging piles, avoiding excessive investment of distribution assets, further realizing economic and efficient operation of the charging station, shortening the investment return period of the charging station and improving the investment return rate of the charging station.
In some embodiments of the present invention, if the total outgoing power data is greater than the first preset power distribution capacity threshold, the adjustment signal generated by the charging scheduling cloud platform is a down-power adjustment signal;
and the charging pile controller reduces the charging power of the charging pile according to the power down-regulation signal.
According to some embodiments of the invention, further comprising the steps of:
step S400: after a first preset time threshold value, if the outgoing total power data are still larger than the first preset distribution capacity threshold value, the charging scheduling cloud platform generates protection signals for one or more charging pile controllers and transmits the protection signals to the distribution controllers;
step S500: the power distribution controller receives the protection signal and transmits the protection signal to the corresponding charging pile controller, and the charging pile controller executes protection measures according to the protection signal.
Wherein the protective measures include, but are not limited to:
and closing the charging pile corresponding to the charging pile controller and/or sending an alarm signal.
According to some embodiments of the present invention, if the total power data of the outgoing lines is smaller than the first preset power distribution capacity threshold, the adjustment signal generated by the charging scheduling cloud platform is an up-regulation power signal;
and the charging pile controller increases the charging power of the charging pile according to the power down-regulation signal.
The present application is further illustrated below with reference to specific examples:
in a charging station, a power distribution controller acquires outgoing line total power data of an outgoing line switch on a low-voltage side of a power distribution transformer by using a voltage and current sensor, a load switch of the charging station and other load switches of a power distribution network are connected to the lower stage of the low-voltage outgoing line switch, the outgoing line total power data are sent to a charging scheduling cloud platform by the power distribution controller through wireless network GPRS communication, the charging scheduling cloud platform contrasts and analyzes the outgoing line total power data and a first preset power distribution capacity threshold value, and the first preset power distribution capacity threshold value is determined according to rated switch power of the outgoing line switch on the low-voltage side of the power distribution transformer. In the power distribution valley period, if the total power of outgoing lines of the outgoing line switch on the low-voltage side of the power distribution transformer is lower than a first preset power distribution capacity threshold value, the charging scheduling cloud platform generates a result for increasing the charging output power of the charging pile, and generates adjusting signals for one or more charging pile controllers according to the real-time charging order types and time sequences of the charging pile, then the adjusting signals are sent to the power distribution controllers through wireless network GPRS communication, the power distribution controllers are sent to corresponding charging pile controllers through RS485 or CAN communication, the charging pile controllers receive control instructions and then adjust the charging power of the charging pile through RS485 or CAN communication, and the charging power output by the charging pile is increased. On the contrary, if the total power of the outgoing lines of the outgoing line switch at the low-voltage side of the distribution transformer is higher than the first preset distribution capacity threshold value due to the increase of other load powers in the peak period of the distribution network, the charging scheduling cloud platform generates a regulating signal for reducing the charging output power of the charging pile and sends the regulating signal to the distribution controller and the charging pile controller for execution, and the purpose that the total power of the outgoing lines of the outgoing line switch at the low-voltage side of the transformer is not higher than the first preset distribution capacity threshold value is achieved. The method comprises the steps that an execution result is fed back to a charging scheduling cloud platform after charging pile adjustment is carried out on output charging power, meanwhile, a distribution controller continues to monitor the condition of the output line switch power of a low-voltage side of a transformer, if the output line switch power of the low-voltage side of the transformer is within a first preset time threshold value, after the charging scheduling cloud platform generates an adjustment result of the charging output power of the charging pile, the output line switch power of the low-voltage side of the transformer is still higher than a first preset distribution capacity threshold value in advance, the distribution controller sends protection signals to one or more charging pile controllers according to the type and time sequence of charging orders, the charging pile is forced to execute the charging power adjustment signals, if the output power of the charging pile is completely turned off, related. By the method, the purpose that the charging station utilizes the idle power of the power distribution network in real time can be achieved, and the charging station does not need to worry that the charging pile cannot be used for charging in the peak period of power distribution, so that the utilization rate of power distribution resources and the return on investment of the charging station are improved, the large-scale layout of charging infrastructures of the electric automobile is promoted, and the method has important significance for the health, the rapid development and the application of the electric automobile.
Referring to fig. 4, a charging station load control apparatus according to an embodiment of a third aspect of the present invention includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the charging station load control method according to the embodiment of the second aspect when executing the computer program.
A computer storage medium according to an embodiment of a fourth aspect of the present invention stores computer-executable instructions for performing the charging station load control method according to the embodiment of the second aspect.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A charging station load control system, comprising:
the charging piles are provided with a plurality of charging piles and used for outputting charging power;
the charging pile controllers correspond to the charging piles one by one and are used for receiving the adjusting signals and the protecting signals of the charging piles and controlling the charging piles to adjust the output charging power;
the distribution controller is used for acquiring the total power data of outgoing lines of the distribution transformer or the distribution network total load switch, transmitting the total power data to the charging scheduling cloud platform, and sending a charging power adjusting signal and a charging power protecting signal to the charging pile controller;
and the charging scheduling cloud platform is used for acquiring the charging power output by all the charging piles, acquiring the total power data of the outgoing lines of the distribution transformer or the distribution network total load switch, and generating a regulating signal and a protecting signal of the charging power to the distribution controller.
2. The charging station load control system according to claim 1, wherein the distribution controller and the charging post communicate with the charging scheduling cloud platform via GPRS signals; the charging pile controller is communicated with the power distribution controller through an RS485 or CAN bus; and the charging pile controller is communicated with the charging pile through an RS485 or CAN bus.
3. A charging station load control method is applied to a charging station load control system, and the charging station load control system comprises the following steps:
the charging piles are provided with a plurality of charging piles and used for outputting charging power;
the charging pile controllers correspond to the charging piles one by one and are used for receiving the adjusting signals and the protecting signals of the charging piles and controlling the charging piles to adjust the output charging power;
the distribution controller is used for acquiring the total power data of outgoing lines of the distribution transformer or the distribution network total load switch, transmitting the total power data to the charging scheduling cloud platform, and sending a charging power adjusting signal and a charging power protecting signal to the charging pile controller;
the charging scheduling cloud platform is used for acquiring charging power output by all charging piles, acquiring total power data of outgoing lines of a distribution transformer or a distribution network total load switch, and generating a regulating signal and a protecting signal of the charging power to a distribution controller;
the method comprises the following steps:
the distribution controller acquires the outgoing line total power data of a distribution transformer or a distribution network total load switch and transmits the outgoing line total power data to the charging scheduling cloud platform;
the charging scheduling cloud platform acquires the outgoing total power data, compares the outgoing total power data with a first preset distribution capacity threshold value, generates adjusting signals for one or more charging pile controllers and transmits the adjusting signals to the distribution controllers; the first preset distribution capacity threshold value is determined according to rated switch power of an outgoing line switch at the low-voltage side of the distribution transformer;
the distribution controller receives the adjusting signal and transmits the adjusting signal to the corresponding charging pile controller, and the charging pile controller controls the charging pile to adjust the output charging power according to the adjusting signal.
4. A charging station load control method according to claim 3, characterized in that:
if the outgoing line total power data is larger than the first preset distribution capacity threshold value, the adjusting signal generated by the charging scheduling cloud platform is a down-regulated power signal;
and the charging pile controller reduces the charging power of the charging pile according to the power down-regulation signal.
5. The charging station load control method according to claim 4, further comprising the steps of:
after a first preset time threshold value, if the outgoing total power data are still larger than the first preset distribution capacity threshold value, the charging scheduling cloud platform generates protection signals for one or more charging pile controllers and transmits the protection signals to the distribution controllers;
the power distribution controller receives the protection signal and transmits the protection signal to the corresponding charging pile controller, and the charging pile controller executes protection measures according to the protection signal.
6. The charging station load control method of claim 5, wherein the protective measures comprise:
and closing the charging pile corresponding to the charging pile controller and/or sending an alarm signal.
7. A charging station load control method according to claim 3, characterized in that:
if the outgoing line total power data is smaller than the first preset power distribution capacity threshold value, the adjusting signal generated by the charging scheduling cloud platform is an up-adjusting power signal;
and the charging pile controller increases the charging power of the charging pile according to the power down-regulation signal.
8. The charging station load control method according to claim 3, wherein the distribution controller and the charging pile communicate with the charging scheduling cloud platform through GPRS signals; the charging pile controller is communicated with the power distribution controller through an RS485 or CAN bus; the charging pile controller is communicated with the charging pile through an RS485 bus or a CAN bus.
9. A load control device comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the charging station load control method according to any of claims 3 to 8 when executing the computer program.
10. A computer storage medium storing computer-executable instructions for performing the charging station load control method of any of claims 3 to 8.
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Cited By (4)
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CN113097998A (en) * | 2021-03-26 | 2021-07-09 | 苏州斯瑞威新能源科技有限公司 | Charging station intelligent control method and device and storage medium |
CN113326883A (en) * | 2021-06-03 | 2021-08-31 | 中创三优(北京)科技有限公司 | Training method, device and medium for power utilization rate prediction model of charging station |
CN114194062A (en) * | 2021-12-10 | 2022-03-18 | 北京世纪云安新能源有限公司 | Charging protection method and device for charging pile, computer equipment and storage medium |
CN114256834A (en) * | 2020-09-23 | 2022-03-29 | 湖南京能新能源科技有限公司 | Charging pile output power control method based on power grid peak-valley load |
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