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고주파 공진 탱크형 DC-DC 컨버터의 특성해석에 관한 연구
황계호,남승식,김동희,노채균,안항목,배상준 嶺南大學校 工業技術硏究所 2002 工業技術硏究所論文集 Vol.30 No.1
In this paper, proposal circuit present that the resonant tank type DC-DC converter consist of L and C resonant tank circuit. Also the capacitor(C_1 C_2) connected in switch are a common using by resonance capacitor and ZVS capacitor. This circuit has an advantage which is able to operating safely in load short, because DC reactor is connected with resonance reactor in order to supply a fixed current with low ripple from DC power supply. The proposed converter can reduce a switching losses, noise, and voltage stress at turn-on and turn-off. The analysis of proposed circuit use normalized paramaters and characteristic estmation which is needed in each step before design is generally described the proposed circuit with the characteristics of average power and average output voltage etc. In this paper, we conform a rightfulness theoretcal analysis by comparing a theoretical valuses and experimental values obtained from experiment using MOSFET as switching devices. Also this converter be operated pattern I and pattern II for the zero voltage switching period.