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This paper addresses the design and implementation of a high-frequency full bridge bidirectional isolated dc–dc converter intended for high-power applications. The proposed BIDC system. consists of two symmetrical single phase full bridge VSCs. two dc capacitors. auxilary reactors and an high frequency (HF) transformer that provides the required galvanic isolation. Various phase-shift (simple phase-shift. extended phase-shift and double phase-shift) methods are applied and compared with each other. In order to obtain high power transfer. the system control is realized with an effective PI based simple phase-shift controller. The performance of the proposed system and its controller are firstly evaulated with simulation results obtained by using PSCAD EMTDC and then verified with experimental results taken from 300-V. 2.4-kW prototype that is established in the laboratory.
