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

  • 제23권8호
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  • Pages.21-25
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  • 2009
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  • 1229-4691(pISSN)
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  • 2287-5034(eISSN)
한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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유도전동기의 신속한 최대효율제어

Fast Maximum Efficiency Control of Vector-Controlled Induction Motor Drives

  • 신명호 (서울산업대학교 전기공학과)
  • 발행 : 2009.08.31
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초록

속도와 토크의 값이 다른 5개의 동작점에서 효율이 최대가 되는 자속을 구한 후, 5개의 자속을 이용하여 효율이 최대가 되는 자속의 곡면을 구한다. 주어진 속도와 토크를 이용하여 자속곡면에서 효율이 최대가 되는 자속을 구한 후, 이 자속을 초기값으로 하여 미리 정해진 양만큼 자속을 변화시키면서 최대효율제어를 수행한다. 시뮬레이션 결과 제안한 방법에 의하여 신속히 최대효율제어를 위한 자속으로 수렴함을 보인다.

Magnetic fluxes for maximum efficiency are calculated at five operating points as speed and torque are varied. The surface of magnetic flux for maximum efficiency is calculated by using the five points, Then, maximum efficiency control is fulfilled with the magnetic flux calculated from the surface of magnetic flux at a given speed and torque. Simulation results verify the effectiveness of the proposed method.

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참고문헌

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