직접 보상전압 추출기법을 이용한 새로운 직렬형 능동전력필터

A Novel Series Active Power Filter Using Direct Compensating Voltage Extraction Method

  • 우원명 ((주)제4기한국 기술연구소 전력전자팀) ;
  • 한윤석 ((주)아크로센스) ;
  • 김영석 (인하대학교 전기공학과) ;
  • 원충연 (성균관대학교 전기전자 및 컴퓨터 공학부) ;
  • 최세완 (서울산업대학교 제어계측공학과)
  • 발행 : 2001.06.01

초록

본 논문에서는 직접 보상전압 추출기법을 이용한 새로운 직렬형 능동전력필터의 제어법을 제안한다. 제안된 직렬형 능동전력필터는 비선형 부하를 갖는 3상 3선식 전력계통에 병렬 수동필터와 함께 사용되어 병렬 수동필터의 단점을 보완하고, 전원측 고조파 저감 효과를 극대화시키는데 기여한다. 제안된 제어법은 직렬형 능동전력필터의 보상전압을 성능함수에 의해 상변환 없이 직접 추출할 수 있다. 따라서 기존의 방법에 비해 연산시간이 짧고, 제어가 보다 간단하다. 실험결과는 제안된 제어법을 이용한 시스템이 고조파 저감에 우수한 성능을 나타냄을 입증한다.

In this paper, a new control strategy of a series active power filter suing direct compensating voltage extraction method is proposed. The proposed series active power filter and shunt passive filters are used 3-phase 3-wire power system with nonlinear load. The series active power filter complements drawbacks of the shunt passive filter and contributes to a source side harmonic reduction. We can extract the compensating voltage of the series active power filter using performance function without phase transformations. Therefore, the calculating time is short and the control method is simple compared with conventional methods. Experimental results verify that the system using the proposed method appears a good performance.

키워드

참고문헌

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