Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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A Study on the Gain Scheduling Speed Controller of Permanent Magnet Synchronous Generators for MW-Class Direct-Driven Wind Turbine Systems

MW급 직접구동형 풍력터빈시스템을 위한 영구자석 동기발전기의 게인 스케쥴링 속도제어기에 대한 연구

  • 최영식 (동국대(서울) 전자전기공학부) ;
  • 유동녕 (동국대 대학원 전자전기공학부) ;
  • 최한호 (동국대(서울) 전자전기공학부) ;
  • 정진우 (동국대(서울) 전자전기공학부)
  • Received : 2011.06.03
  • Accepted : 2011.08.02
  • Published : 2011.08.31
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Abstract

This paper presents a new gain scheduling speed controller of permanent magnet synchronous generators(PMSG) for MW-class direct-driven wind turbine systems. The proposed gain scheduling speed controller performs the speed tracking at more than one operating point, and the first-order torque observer estimates the turbine torque which is needed to precisely control the speed of PMSG. The proposed speed controller verifies that the PMSG can successfully follow the reference speed which is determined via the maximum power point tracking(MPPT) control and pitch control under turbulent wind conditions. The proposed speed control algorithm is simulated using Simulink and its performance is confirmed through comparison with the results by PI control method.

Keywords

References

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