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노트북 컴퓨터 어탭터용 능동 클램프 포워드 컨버터 변압기 특성
윤경현(YOON Kyounghyun),김창선(KIM Changsun) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
The active clamp forward converter provides zero voltage switching and low voltage stress in wide input voltage range. It has a high efficiency at a high switching frequency and the clamped energy is recovered to the input stage. It is available for the power adaptor circuit of notebook computer. The adaptor with 19.5V/200W output power is designed for notebook computer. Specially, it is considered the transformer properties of the converter in design process. The organized process is checked by the validity from the test of the active clamp forward converter.
윤경현(Yoon KyoungHyun),김창선(Kim Changsun),오용승(Oh Yong-Seung),안강순(Ahn Kang-Soon) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
Zero Voltage Switching Full Bridge PWM Converter(ZBS FB PWN Converter) is adapting driving system of microwave phase shift to make implement of zero voltage switching, which is reduced to the switching loss & voltage stress applied on switch. So, it is possible for switching of high frequency and applying on large-capacity rectifier what required high frequency and a large output. In this paper, Let me design high efficiency power conversion circuit using Zero Voltage Switching Full Bridge PWM Converter. This designed rating of input 500V & output 2600W and based in digital control using DSP. Switching frequency is high frequency 25kHz on Digital Control.