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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2001.10
- 수록면
- 369 - 373 (5page)
이용수
초록· 키워드
오류제보하기
Multilevel inverter has attracted great interest in high-voltage high-power field because of its less distorted output. In this paper, a direct torque control (DTC) technique based on a three-level neutral-point-clamped (NPC) inverter is presented. In order to solve the intrinsic neutral-point voltage-balancing problem and to obtain a high performance DTC, a special vector selection method is introduced and the concept of virtual vector is developed. By using the proposed PWM strategy, a MRAS speed sensor-less DTC drive can be achieved without sensing the neutral-point voltage. The strategy can be verified by simulation and experimental results.
목차
ABSTRACT
Ⅰ.INTRODUCTION
Ⅱ.Principles Of Voltage Vector Selection For Npc Inverter-FED Dtc
Ⅲ.DC LINK NEUTRAL-POINT VOLTAGE BALANCE
Ⅳ.DTC BASED ON VIRTUAL VECTORS
Ⅴ.SIMULATION AND EXPERIMENTAL RESULTS
Ⅶ.CONCLUSIONS
REFERENCE
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