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A high-efficiency bidirectional non-isolated multi-input converter

A high-efficiency bidirectional non-isolated converter with multiple input sources is presented in this work. In the proposed converter, the energy from/to the input sources is transferred via the coupled inductors connecting to a switch pair. This topology does not only allow active power sharing, but also results in reduced component count. It also achieves zero-voltage-switching without any extra switching losses hence improving the cost-effectiveness, power density and efficiency.