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Large-scale wind power active power regulation and control system and method

An active power, large-scale technology, applied in the field of large-scale wind power active power control system, can solve the problems of low utilization rate of wind power and economic impact of wind power

Inactive Publication Date: 2017-03-15
STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO +1
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  • Description
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  • Application Information

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Problems solved by technology

Based on the above scheduling scheme, the utilization rate of wind power is low, and the economy of wind power is affected
Failure to maximize the use of wind power

Method used

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  • Large-scale wind power active power regulation and control system and method

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Embodiment Construction

[0013] In order to make the technical means, creative features, goals and effects achieved by this application easy to understand, the following will further elaborate this application in conjunction with specific implementation methods. This application is not limited by the following examples. The actual situation will determine the specific implementation method.

[0014] Such as figure 1 As shown, the large-scale wind power active power control system includes a control center for centralized control of each wind farm. There are 1-N control centers under the control center to receive or send control command information and power generation conditions between the control center and wind farms. Each centralized control center has n corresponding wind farms that can generate electricity; each wind farm has an instruction receiving terminal, and the instruction receiving terminal is connected to the corresponding Nth centralized control center through the network. It is conne...

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Abstract

The invention relates to a large-scale wind power active power regulation and control system and method. The system comprises a regulation and control center which is used for managing and controlling all the wind power plants in a centralized way. 1-N centralized control centers used for receiving or transmitting regulation and control instruction information between the regulation and control center and the wind power plants are arranged below the regulation and control center. n wind power plants capable of generating power are correspondingly arranged below each centralized control center. Each wind power plant is internally provided with an instruction receiving terminal which is connected with the corresponding Nth centralized control center through the network and also directly connected with the regulation and control center through the network. The effects of the large-scale wind power active power regulation and control system and method are that the centralized control centers are arranged between the regulation and control center and all the wind power plants to complete the regulation and control instruction for all the wind power plants; meanwhile, the regulation and control center can directly issue the regulation and control instruction to the wind power plants to perform allocation of generation power, and the regulation and control center can directly control the generation power of all the wind power plants so that the generation power of all the wind power plants can be effectively regulated by the three modes, and then the power allocation and standby situation of all the wind power plants can be balanced.

Description

technical field [0001] This application relates to a large-scale wind power active power control system and method. Background technique [0002] At present, large-scale wind power active power control mostly adopts rough control strategies. According to the actual operation of the power grid, to ensure the safety and stability of the power grid operation, the main control scheme for wind power is to directly limit the grid-connected power of wind farms. The methods adopted are as follows: Evenly distribute power to each wind farm, split the entire wind farm, control the power of the tie line of the wind farm, or control the feeder of the wind farm. Based on the above scheduling scheme, the utilization rate of wind power is low, and the economics of wind power are affected. Failure to maximize the use of wind power. Contents of the invention [0003] Aiming at the deficiencies in the existing technology, this application provides a method based on wind power forecasting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/48H02J3/38
CPCH02J3/386H02J3/48Y02E10/76
Inventor 杨桂兴何峰彭建戚红艳文玉玲李永新丁碧薇
Owner STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO
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