Combined active and reactive power control in an operation of a wind farm

Haoran Zhao (Inventor), Qiuwei Wu (Inventor), Shaojun Huang (Inventor), Zhaoxi Liu (Inventor)

Research output: Patent

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The present disclosure relates to a method and system for controlling an operation of a wind farm connected to a grid, the wind farm comprising a plurality of wind turbines, each wind turbine having a local controller, the method comprising the steps of: minimizing a central voltage deviation in a point of connection between the grid and the wind farm compared to a reference voltage provided by the grid; and/or minimizing local voltage deviations compared to local bus reference voltages for each connection to the wind turbines, by: calculating sensitivity coefficients for the wind turbines; and regulating local power references comprising an active power reference and a reactive power reference to each of the local controllers based on the calculated sensitivity coefficients.
Original languageEnglish
IPCF03D7/04; H02J3/38; H02J3/18
Patent numberWO2018115431
Filing date28/06/2018
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date28/06/2018
Priority numberEP20160206546
Publication statusPublished - 6 Dec 2018


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