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Reactive power analysis and control of doubly fed induction generator wind farm

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A method is proposed to calculate the reactive power limit of DFIG (doubly fed induction generator) wind power generation system based on the power relationships of overall system. Considering the reactive power capacity of the grid side converter, total reactive power includes reactive power of stator and the converter. Reactive power regulation application of DFIG wind farm in the grid has been studied. A reactive power compensation strategy for the local user using DFIG wind farm has been developed. And the distribution algorithms of reactive power demand are given which includes that for distribution among DFIG wind power systems in the farm and that for distribution between stator and the grid side converter in one generation unit. With VSCF (variable speed and constant frequency) optimum operation of each generation unit, DFIG wind farm contributes to the reactive power regulation in the grid at its full reactive power capacity.

Original languageEnglish
Pages (from-to)77-82
Number of pages6
JournalZhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering
Volume27
Issue number9
StatePublished - 25 Mar 2007

Keywords

  • Doubly fed induction generator
  • Reactive power compensation
  • Reactive power limit
  • Variable speed and constant frequency
  • Wind power generation system

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