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        Model Predictive Controlled Dual Active Bridge Converter with Efficiency Optimization and Fast Dynamic Response

        Chen Zhangyong,Zheng Zhanchao,Tang Xuan,Wu Yunfeng 대한전기학회 2024 Journal of Electrical Engineering & Technology Vol.19 No.1

        In this paper, combine hybrid modulation strategy and Model predictive control (MPC) for Dual active bridge (DAB) converter is presented to achieve high efciency of wide load range and fast dynamic response for bidirectional power fow conversion. Through ofine optimization of DAB converter at steady state, only one control variable is used to reduce computational burden, and without complex algorithm in the cost function for MPC strategy. In addition, based on the simpilifed average mode of DAB converter, diferent predictive currents are derived. Besides, three scenarios of smooth mode transition for the hybrid control strategy is given in detail. Thus, fast dynamic response for mode transition and high efciency for wide range is guaranteed by the proposed strategy. Finally, an experimental prototype of DAB converter is built and tested for verifying the steady state and fast transition with diferent operation modes performance.

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