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패시브 컨버터를 적용한 유압유니트용 SRM 제어기 설계
석승훈(Seung-Hun Seok),쟈니리앙(Jianing Liang),이동희(Dong-Hee Lee),안진우(Jin-Woo Ahn) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
Design and drive characteristics of SR drive for hydraulic pump system using passive converter is presented in this paper. In oder to get the high performance, a simple passive circuit is added in the front-end of a conventional asymmetric converter, which consists of three diodes and one capacitor. This passive converter has the high demagnetization voltage, to reduce the demagnetization time. Futhermore optimal turn-off angle for the proposed passive converter is proposed. According to motor speed and current, an optimal turn-off angle can be achieved by look-up table to reduce torque ripple. The characteristic of proposed hydraulic pump system using passive converter is verified by simulation and experimental results.