Reactive power optimization system and method for control over voltage fluctuation in wind power centralized output mode

A voltage control and voltage optimization technology, applied in reactive power compensation, AC network voltage adjustment, etc., can solve problems such as large voltage fluctuations, and achieve the effects of reducing waste and improving voltage fluctuations

Active Publication Date: 2014-07-30
STATE GRID CORP OF CHINA +1
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Problems solved by technology

[0004] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a reactive power optimization system and method for controlling voltage fluctuations in the centralized transmission mode of wind power. It provides a calculation method for reactive power optimization during centralized compensation during centralized delivery

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  • Reactive power optimization system and method for control over voltage fluctuation in wind power centralized output mode
  • Reactive power optimization system and method for control over voltage fluctuation in wind power centralized output mode
  • Reactive power optimization system and method for control over voltage fluctuation in wind power centralized output mode

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Embodiment Construction

[0042] The invention relates to a reactive power optimization system and method for controlling voltage fluctuations in a wind power centralized sending mode.

[0043] like figure 1As shown, the reactive power optimization system for controlling voltage fluctuations in the wind power centralized transmission mode of the present invention includes a real-time data acquisition system, a control module for each control unit of a wind farm, a voltage fluctuation optimization control module, a reactive power compensation optimal configuration module, and a control command issuing Interface and execution module, data response feedback control module, reactive power and voltage sensitivity analysis module, Digsilent calculation module, voltage adjustment configuration module and data response feedback control module.

[0044] The real-time data collection system shares data with the data monitoring system of the wind farm, and can realize real-time data collection at the gathering po...

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Abstract

The invention belongs to the technical field of new energy power generation, and particularly relates to a reactive power optimization system and method for control over voltage fluctuation in a wind power centralized output mode. The reactive power optimization system comprises a real-time data acquisition system, control unit control modules of a wind power plant, a voltage fluctuation optimization control module, a reactive power compensation optimal allocation module, a control instruction sending interface, an executive module, a data response feedback control module, a reactive power and voltage sensitivity analysis module, a Digsilent calculation module, a voltage adjustment module and another data response feedback control module. According to the reactive power optimization system and method for control over voltage fluctuation in the wind power centralized output mode, a dynamic reactive power allocation principle targeted at voltage can be used for guiding a dynamic reactive power allocation principle in the wind power centralized output mode, the increasingly serious problem of drastic voltage fluctuation caused by wind power centralized output can be solved, and an accurate and reliable calculation method is provided for reactive power optimization in the centralized compensation process during centralized output. Accordingly, the reactive power optimization system has great significance in improving the safety and economical efficiency of electric power system operation.

Description

technical field [0001] The invention belongs to the technical field of new energy power generation, and in particular relates to a reactive power optimization system and method for controlling voltage fluctuations in a wind power centralized sending mode, and in particular to a reactive power optimization method considering grid voltage fluctuation control after a wind farm is connected. For the voltage control of wind farms at all levels, analyze the voltage level of grid-connected points in real time, and adopt the reactive power optimization method that considers voltage fluctuations with innovative ideas to realize the optimization of dynamic reactive power compensation control of the power grid and improve the safety and economy of power system operation. Sex matters. Background technique [0002] Energy and environmental issues have become two important issues facing the world today. The crisis caused by energy issues and the increasingly prominent environmental probl...

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Application Information

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IPC IPC(8): H02J3/16
CPCY02E40/30
Inventor 程绪可朱钰王刚孙峰禹加董鹤楠张钊白雪
Owner STATE GRID CORP OF CHINA
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