A real-time scheduling method for wind power generation microgrid power balance based on electric vehicles
An electric vehicle and real-time dispatching technology, which is applied in the fields of electric vehicle charging technology, wind power generation, AC network load balancing, etc., can solve the problems of less research on electric vehicle dispatching optimization methods, and achieve the effect of improving power generation utilization and safety
Inactive Publication Date: 2016-11-16
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology
[0005] At home and abroad, there are many studies on the electric vehicle to grid (V2G) technology, that is, the interaction between electric vehicles and power suppliers, but there are few studies on the scheduling optimization method of electric vehicles in the wind power microgrid system
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[0036] figure 1 It is a specific implementation flow chart of the electric vehicle-based wind power microgrid power balance real-time scheduling method of the present invention. Such as figure 1 As shown, the wind power generation microgrid power balance real-time scheduling method based on electric vehicles in the present invention includes the following steps:
[0037] S101: Access to electric vehicles:
[0038]The scheduling device that connects the electric vehicle to the wind power micro-grid when the user parks and leaves cannot charge and discharge the electric vehicle unlimitedly during scheduling, but must make the state of charge not exceed the maximum allowable value and not be lower than the required value. The state of charge value for the user to use next time. Therefore, the user needs to set the distance d for the next trip, and the scheduling device calculates the minimum state of charge SoC of the electric vehicle battery according to the traveling distanc...
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The invention discloses a real-time scheduling method for wind power micro-grid power balance based on electric vehicles. When a user's car is connected, the scheduling device calculates the minimum state of charge of the battery of the electric vehicle according to the next driving distance of the user, and calculates the minimum state of charge of the battery of the electric vehicle according to the current charge of the electric vehicle. Electric vehicles are divided into three types: "charging service", "discharging service" and "rechargeable service or discharging service". The dispatching device obtains the power generation and load power of the wind power microgrid system in real time to determine whether dispatching is required , if scheduling is required, further determine whether it is charging scheduling or discharging scheduling, and then select the corresponding type of electric vehicle for scheduling to make up for the lack of charging power or load power. The invention uses the charging and discharging capabilities of the large-capacity battery in the electric vehicle to schedule the electric vehicle, realize the power balance of the wind power generation microgrid, and improve the power generation utilization rate and safety of the wind power generation microgrid system.
Description
technical field [0001] The invention belongs to the technical field of wind power generation micro-grid power balance, and more specifically relates to a real-time scheduling method for wind power generation micro-grid power balance based on electric vehicles. Background technique [0002] Distributed power supply is an economical and efficient independent power supply that is represented by wind power generation, solar photovoltaic, etc., with a power ranging from tens of kilowatts to tens of megawatts, a small modular type that is compatible with the environment, and distributed near the load. With the vigorous promotion of renewable energy applications, distributed power has gradually become an important form of power supply. Ultra-high voltage, long-distance, and large-capacity power transmission is suitable for traditional large-scale centralized power transmission. This power transmission method inevitably brings high costs and difficult operation, and it is difficult ...
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IPC IPC(8): H02J3/28H02J3/24
CPCH02J3/008H02J3/24H02J3/32Y02E70/30Y04S30/12Y02E10/76Y02T90/167
Inventor 李立英吴晓玲邹见效徐红兵
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA