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The electric vehicle (EV) is becoming a more attractive solution to avoid fossil fuel usages in India. In the commercial EV, the solar PV charges the battery and simultaneously the battery drives the vehicle. Due to the structure of conventional buck-boost bidirectional DC-DC converter, the solar PV power becomes underutilised when the battery state of charge (SOC) reaches its optimal value. In order to overcome this limitation, this study proposes a novel dual input superboost (DISB) DC-DC converter for solar-powered EVs. The proposed converter effectively utilises the solar PV power by operating in six different modes. Also, it has the advantages of wide range of speed control and reduces the number of conduction devices in each mode, thereby enhancing the efficiency. This study presents detailed operating waveforms and dynamic analysis of the proposed DISB DC-DC converter. Furthermore, the operation and performance of proposed converter under six different modes are validated through simulation and confirmed with an experimental investigation.

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