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인버터 폴트 (B4) 환경 하에 토크리플 절감을 위한 개선된 변조방식
박진식(Jin-Sik Park),정신명(Sin-Myung Jung),윤명중(Myung-Joong Youn) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
This paper presents a study on the use of improved space-vector modulation of VSI employing only four switches, four body diodes. Different switching sequence strategy for vector control for inverter fault mode are described. The influence of different switching patterns at same modulation index and improved PWM method is proposed. The proposed PWM is compared with conventional PWM. Simulation and experimental results are presented.
슬라이딩 모드 제어기를 사용한 계통연계형 태양광 발전시스템의 강인한 최대전력점 제어기 설계
김일송(iL-Song Kim),박진식(Jin-Sik Park),정신명(Sin-Myung Jung),윤명중(Myung-Joong Youn) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
A sliding mode controller for the grid-connected photovoltaic system has been presented. This controller is constructed from the time-varying sliding surface in order to control the sinusoidal inductor current and solar array power simultaneously. The proposed controller can achieve the tight regulation of current and power under the parameter variation environment.