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Method and system for controlling wind power plant

A technology of a control system and a control method, which is applied in the control of wind turbines, wind energy power generation, wind turbines, etc., can solve the problem of low power generation efficiency of wind farms, and achieve the effect of improving power generation efficiency and high power generation efficiency.

Inactive Publication Date: 2015-02-04
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

[0005] The purpose of the present invention is to provide a control method and system of a wind farm to solve the technical problem of low power generation efficiency of the wind farm

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  • Method and system for controlling wind power plant
  • Method and system for controlling wind power plant

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Embodiment Construction

[0042] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered by the claims.

[0043] A control method for a wind farm, comprising the steps of:

[0044] A, store the grouping criteria, grouping results and group policies of the client on the server, and the grouping criteria and group policies are respectively corresponding to the group numbers;

[0045] The grouping criteria may be personalized parameters related to the power generation efficiency of each client, such as the geographical location of the client, the rotational speed of the blade of the client, or the wind speed of the client, which will not affect the implementation of this embodiment.

[0046] B. The server groups each client according to the grouping standard;

[0047] C. According to the grouping result, the server sends the group policy of each group to each cl...

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Abstract

The invention provides a method and system for controlling a wind power plant. The system comprises a server and client sides. The server comprises a storage unit, a grouping unit and a strategy sending unit, wherein the strategy sending unit is used for sending group strategies of groups corresponding to the client sides to the client sides according to grouping results of the storage unit. Each client side comprises a strategy receiving unit and an adjustment unit, wherein parameters of power generating devices connected with the client sides are adjusted by the adjustment units to be power generating device parameters carried in the grouping strategies received by the receiving units. According to the system for controlling the wind power plant, windmills of the client sides are divided into a plurality of groups according to differences of external conditions, then the different group strategies are formulated according to conditions of each group, different environments of the windmills are flexibly used for adjusting device configuration, and therefore power generating efficiency is improved.

Description

technical field [0001] The invention relates to the field of intelligent control of wind farms, in particular to a control method and system for wind farms. Background technique [0002] The global wind energy is about 2.74×109MW, of which the usable wind energy is 2×107MW, which is 10 times larger than the total amount of water energy that can be developed and utilized on the earth. Wind power generation is to use the wind to drive the wind wheel to rotate, and convert the kinetic energy of the wind into mechanical kinetic energy. After the rotation speed is increased and stabilized through the speed increaser, the permanent magnet rotor winding of the generator head cuts the magnetic force line, and the mechanical energy is converted into electric kinetic energy. Because wind power does not need to use fuel, nor will it produce radiation or air pollution, it has been valued worldwide. [0003] Wind power generation often causes unstable output power due to changes in wind...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D7/00
CPCY02E10/723Y02E10/72
Inventor 谭勋琼
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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