전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제56권3호
  • /
  • Pages.524-530
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  • 2007
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

매트리스 컨버터를 이용한 유도전동기 구동장치를 위한 전력이론 기반의 센서리스 기법

Sensorless Control for Induction Motor Drives Fed By a Matrix Converter Using Power Theory

  • 이교범 (전북대 공대 전기공학과)
  • 발행 : 2007.03.01
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초록

This paper presents a new and simple method for sensorless operation of matrix converter drives using a constant air-gap flux and the imaginary power flowing to the motor. To improve low-speed sensorless performance, the non-linearities of a matrix converter drive such as commutation delays, turn-on and turn-off times of switching devices, and on-state switching device voltage drop are modelled using PQR transformation and compensated using a reference power control scheme. The proposed compensation method is applied for high performance induction motor drives using a 3 kW matrix converter system. Experimental results are shown to illustrate the feasibility of the proposed strategy.

키워드

참고문헌

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