지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.5
- 수록면
- 2,498 - 2,505 (8page)
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초록· 키워드
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This paper presents the experimental results of the independent drive characteristics of two three-phase induction motors (IMs) fed by a four-leg inverter (FLI). The FLI is a single inverter that can drive two three-phase AC motors independently. The inverter consists of four legs and two capacitors connected in a series. The PWM techniques in three-phase voltage source inverter are not directly applicable for the FLI. Also, the drift phenomenon of the neutral point potential of two-sprit capacitors is observed in the starting time of motors and speed change. The drift causes the reduction of inverter DC-bus voltage utility factor. Therefore, the drift must be restrained. This paper shows the modulation technique to restrain the drift in the FLI. In addition, neutral point potential performance in changing the capacitance of two-sprit capacitors is compared. Then, experimental results are verified that two IMs independent drive can be realized by the modulation strategy.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. MAIN CIRCUIT ARCHITECTURE OF FOUR-LEG INVERTER
Ⅲ. CHARACTERISTICS OF FOUR-LEG INVERTER
Ⅳ. PWM TECHNIQUE OF FOUR-LEG INVERTER
Ⅴ. INDEPENDENT CONSTANT VOLTS PER HERTZ CONTROL
Ⅵ. EXPERIMENTAL RESULT
Ⅶ. CONCLUSIONS
ACKNOWLEDGMENT
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2013-560-000302285