대한전기학회논문지:전기기기및에너지변환시스템부문B (The Transactions of the Korean Institute of Electrical Engineers B)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

자기동조 주파수 제한기를 갖는 전압원 인버터의 히스테리시스 전류제어

Hysteresis Current Control with Self-Locked Frequency Limiter for VSI Control

  • 최연호 (경북대 공대 전자공학과 대학원) ;
  • 임성운 (경일대 제어계측공학과) ;
  • 권우현 (경북대 공대 전자공학부 정)
  • 발행 : 2002.01.01
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⟨ 이전 논문 다음 논문 ⟩

초록

A hysteresis control is widely used to control output current of inverter. A hysteresis bandwidth is affected by system parameters such as source voltage, device on/off time, load inductance and resistance. The frequency limiter is used to protect switching devices overload. In the conventional hysteresis controller, a lock-out circuit with D-latch and timer is used to device protection circuit. But switching delay time and harmonic components are appeared in output current. In this paper the performance of lock-out circuit is tested, and new circuit for switching device fault protection is proposed ad it's performance is simulated.

키워드

참고문헌

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