대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

유도전동기의 토크 속응제어방식에 근거한 속도 추정법의 제안

A Speed Estimation based on the Very Quick Torque Control method of Induction Motors

  • 정석권 (부산수산대학교 공과대학 기관공학과) ;
  • 전봉환 (부산수산대학교 공과대학 기계공학과 대학원) ;
  • 김상봉 (부산수산대학교 공과대학 기계공학과)
  • Jeong, Seok-Kwon (National Fisheries University of Pusan Department of Marine Engineering) ;
  • Jeon, Bong-Hwan (National Fisheries University of Pusan Department of Mechanical Engineering Graduated School) ;
  • Kim, Sang-Bong (National Fisheries University of Pusan Department of Mechanical Engineering)
  • 발행 : 1995.07.20
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초록

In this paper, a new speed estimation method of induction motors based on the very quick torque control is proposed to realize speed sensorless control. The proposed method can be realized very simply by detecting primary motor current and voltage command at every sampling time. As the method need not the differential value of primary current in a arithmetic of voltage command, it can be expected to promote the precision of speed estimation in low speed area, especially. Through the numerical simulation, the validity of the proposed method was successfully confirmed.

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