대한전기학회논문지:전력기술부문A (The Transactions of the Korean Institute of Electrical Engineers A)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

IA-QFT를 이용한 전력계통 안정화 장치의 최적 설계

Optimal Design of Power System Stabilizer Using IA-QFT

  • 정형환 (동아대 전기전자컴퓨터 공학부) ;
  • 이정필 (동아대 대학원 전기공학과) ;
  • 정문규 (한국전력공사) ;
  • 주수원 (동아대 전기전자컴퓨터 공학부)
  • Jeong, Hyeong-Hwan (Dept.of Electric Electronics Computer Engineering, Donga University) ;
  • Lee, Jeong-Pil (Dept.of Electronics Engineering, Graduate School of Donga University) ;
  • Jeong, Mun-Gyu (Korea Electric Power Corporation) ;
  • Ju, Su-Won (Dept.of Electric Electronics Computer Engineering, Donga University)
  • 발행 : 2002.09.01
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초록

In this paper, optimal tuning problem of power system stabilizer using IA-QFT is investigated to improve power system dynamic stability in spite of parameter variation and disturbance uncertainties. The most important feature of QFT is that it is able to deal with the design problem of complicated uncertain plants. However, loop shaping is currently performed in computer aided design environments manually and it is usually a trial and error procedure. It is difficult to design a controller to satisfy all specifications manually. To solve this problem, a study of design automation using IA needs to be taken into account. The robustness of the proposed controller has been investigated on a single machine infinite bus model. The results are shown that the proposed PSS using IA-QFT is more robust than conventional PSS.

키워드

참고문헌

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