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The performance analysis under steady-state condition of the novel converter is carried out and a detailed comparison with CCBBC is done in connection to switching stress, converter efficiency and duty ratios to output power, etc. The topology structure of the NIBIDC is simple and easy to control. The switching stress is same while the efficiency of NIBIDC is more than CCBBC. Voltage gain of NIBIDC in buck operation is lower than conventional cascaded bidirectional buck/boost converter (CCBBC) whereas the voltage gain is higher than CCBBC in boost mode. The current flow in parallel connected inductor improves the circuit competence. The proposed NIBIDC is employed with four power switches (MOSFET) with an anti-parallel diode embodied, four inductors and three capacitors used as passive elements. In this paper, a novel NIBIDC is designed in such a way that it enhances the gain in both buck and boost mode of operation. This work aims to update on research done during the time gap since the last comprehensive reviews.In non-isolated bidirectional DC-DC converters (NIBIDC), voltage output of buck/boost mode is incongruous at lower and higher end due to the existing gain. Prospective future research trends are suggested. This review identifies that converter properties depend on the specific application requirement and thus, no converter fulfills all demands in the industry. Thereafter, comparisons will be done based on the distinct features of the converters. The formation, structure, characteristics, operation, merits and demerits of the converters will be presented. In magnetically connected converters, input ports are separated by multiple winding transformer, just as the output port is isolated from the input ports by the winding. Electromagnetically connected converters use a dc-link to connect input ports, but the input ports and output port are isolated. The electrically connected converters do not have isolation between the ports, and thus, a dc link connects the ports. The converters are identified by three divisions that bother on the isolation between the respective ports. These new topologies have easier control, lower parts count, are cheaper and are worthy alternatives to the typical series or parallel connection of converters. The quest to mitigate the difficulties associated with employing renewables in distribution systems and electric vehicles (EVs) has yielded many new converter topologies. In this paper, the contemporary development in multiple input dc-dc converters are identified and examined.
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