Switched Discrete Sliding Mode Control for ZCS Series Resonant AC to DC Converter영전류 스위칭 방식의 직렬 공진형 AC/DC 컨버터를 위한 전환모드 이산 슬라이딩 제어

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A buck-boost zero current switched(ZCS) series resonant AC to DC converter for the DC output voltage regulation together with high power factor is proposed. The proposed single phase AC to DC converter enables a zero current switching operation of all the power devices allowing the circuit to operate at high swtiching frequencies and high power levels. A dynamic model for this Ac to DC converter is developed and an analysis for the internal operational characteristics is explored. Based on this analysis, a switched discrete sliding mode control(SDSMC) technique is investigated and its advantages over the other types of current control techniques are discussed. With the proposed control technique, the unity power factor without a current overshoot and a wide range of output voltage can be obtained.
Issue Date

93 Korea Automatic Control Conf., pp.1219 - 1226

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EE-Conference Papers(학술회의논문)
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