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푸시 풀 포워드 컨버터의 주파수 변화, 변압기의 권선비와 1차측 권선 변화에 대한 효율 특성
전준석(J.S. Jeon),김창선(C.S. Kim),김태식(T.S. Kim),임범선(B.S. Im),우승훈(S.H. Woo) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
The push pull forward converter is a very suitable circuit for low output voltage, high output current applications with a wide input voltage range. All the magnetic components (output inductor, transformer, input filter) can be integrated ioto a single core The integrated magnetics can reduce the number of the magnetic components Developed the push pull forward converter rating are of 36~72V input and 33V/30A output. In this converter, the efficiency was measured by 76.4% at full load and 82.95% at half load The maximum efficiency is up to 83% at 200kHz switching frequency, llA output.