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This article discusses the circuit design and the performance of a coupled inductor bidirectional DC-DC converter. The proposed design is used to increase the voltage of the converter at the output end by reducing the switching voltage stress. This is achieved by the series connection of two switch bridges. Here, the coupled inductor operates as the filter inductor for non-isolated part of the converter and as a transformer for the isolated converter topology. The operation and features of the proposed bidirectional chopper circuit is discussed in detail. The control of the given system is done using Proportional-Integral-Controller and the performance is also compared with few other controllers through simulation in MATLAB/Simulink environment. The proposed converter design is useful for EV applications in smart grid. Performance of P/PI/PID Based controller in DC-DC Converter for PV applications and Smart Grid Technology