Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference (한국조명전기설비학회:학술대회논문집)
- 1991.10a
- /
- Pages.75-79
- /
- 1991
A study on Modulating signal for Three-phase sinusodial PWM Inverter using Power MOSFET
전력용 MOSFET을 이용 삼상 정현파 PWM인버터의 변조신호에 관한 연구
Abstract
In this study, a new sinusoidal PWM inverter suitable for use with power MOSFETs is described. The output waveforms in the proposed OWM inverter are investigated both theoretically and experimentally. A modulating signal for the three-phase PWM inverter is obtained by adding 3nth harmonics to the conventional three-phase sine wave. By using the new modulating signal, the amplitude of the fundamental component is increased about 15 percent more than that of a conventional sine wave inverter and the commutation number of the inverter is decreased to two-thirds of a conventional one.
Keywords