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장덕규(JANG Dukkyu),우승훈(WOO Seunghun),김창선(KIM Changsun) 대한전기학회 2010 전기학회논문지 Vol.59 No.6
Active clamp forward converter provides zero voltage switching, low voltage stress and wide input voltage range. The design technique leads to getting a higher efficiency under high switching frequency and optimal operating range. It is designed for notebook computer adapter with free input voltage and 19.5V/120W output ratings. The efficiency is measured to more than 90%. One of the most important circuit parts is the filter inductor besides the transformer in active clamp forward converter. In this paper, the process of inductor design is listed optimally.