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축소모형에 의한 공진형 전류원 인버터식 무효전력보상기의 특성 분석
한병문(Byung-Moon Han),백승택(Seung-Taek Baek),박덕희(Duk-Hee Park),소용철(Yong-Cheol So) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-
This paper describes a scaled model for PWM thyristor current-source inverter with a commutation circuit. The system consists of a 6-pulse thyristor bridge and an LC resonant circuit with thyristor switches, which offers thyristors to have turn-off capability for PWM operation with minimal switching losses. The proposed system can be used as a reactive power compensator with PWM operation for the utilitity application. There would be two advantages in the proposed system over the existing voltage source inverter. One is the low system cost due to using the conventional thyristors. Another is easy expansion of system operation voltage because the series operation of thyristor devices is already proven in HVDC system.<br/> <br/>