The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Voltage Vector Synchronization Method for a Renewable Energy System with a Doubly-Fed Induction Generator

권선형유도발전기를 갖는 신재생에너지 시스템을 위한 전압벡터 동기화 기법

  • 박정우 (한국전기연구원 전동력연구그룹) ;
  • 이기욱 (한국전기연구원 전동력연구그룹) ;
  • 김동욱 (한국전기연구원 전동력연구그룹)
  • Published : 2007.03.01
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Abstract

In order to transmit energy generated through the stator winding of a doubly-fed induction generator (DFIG), we need to synchronize the generated voltage vector with the grid voltage vector. However, the existing synchronization methods work only when the encoder is installed at a specific position and equivalent constant is precise. In order to solve this problem, a new synchronization method has been proposed and a way of applying the method to existing doubly-fed induction generator control algorithm has been also proposed. The validities of the methods proposed were verified by using a prototype converter for a 1.5MW-class doubly-fed induction generator and experimental results showed the validity of that against variation of an encoder positions, generator parameters, and grid voltages.

Keywords

References

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