Hybrid secondary voltage control combined with large-scale wind farms and synchronous generators

Jihun Kim, Hwanik Lee, Byongjun Lee, Yong Cheol Kang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

For stable integration of large-scale wind farms, integration standards (Grid codes) have been proposed by the system operator. In particular, voltage control of large-scale wind farms is gradually becoming important because of the increasing size of individual wind farms. Among the various voltage control methods, Secondary Voltage Control (SVC) is a method that can control the reactive power reserve of a control area uniformly. This paper proposes hybrid SVC when a large-scale wind farm is integrated into the power grid. Using SVC, the burden of a wind turbine converter for generating reactive power can be reduced. To prove the effectiveness of the proposed strategy, a simulation study is carried out for the Jeju system. The proposed strategy can improve the voltage conditions and reactive power reserve with this hybrid SVC.

Original languageEnglish
Pages (from-to)399-405
Number of pages7
JournalJournal of Electrical Engineering and Technology
Volume9
Issue number2
DOIs
Publication statusPublished - 2014 Mar

Keywords

  • Grid code
  • Large scale wind farms
  • Secondary voltage control
  • Voltage/reactive power control

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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