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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2001.7
- 수록면
- 479 - 482 (4page)
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초록· 키워드
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This paper proposes a modified a conduction mode for controlling the output voltage magnitude of three-phase square-wave VSIs with an R-L load. From the viewpoint of both power capacity and switching losses, three-phase square-wave inverters are now used in most high power systems. When the square-wave VSI is driven with a conduction mode to control the magnitude of output voltages, interval over than half period is operated with 180?conduction mode and the other interval with 120?conduction mode. In 120?conduction mode operation, two output terminals are connected to DC supply and the third one remains open. The potential of this open terminal will depend on the load characteristics and is unpredictable except the case of pure resistive loads. To cope this problem, we propose the modified a conduction mode.
목차
ABSTRACT
1.서론
2.구형파 VSI의 출력전압 제어
3.수정 α도통방식
4.수정 α도통방식의 고조파 검토
5.결론
참고문헌
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