A Dual Output High Gain DC-to-DC Converter for Electric Vehicle Application
Abstract
The paper proposes a dual output DC-DC converter for electric vehicle battery charging application from the PV source. The proposed converter is derived from modified SEPIC Converter (converter-A) and multilevel boost converter (converter-B) in such way that both converter share common input source as PV. Generally, the voltage of PV is low and series and parallel combination of PV module is not a practicable solution to accomplish high voltage demand of electric vehicle charging station. Therefore, the high gain DC-DC plays a vital in PV integrated electric vehicle charging station from low to high voltage conversion. However, with dual output capability and single switch controlled structure make the proposed converter a superior choice for PV integrated EV charging station. In addition, the same or different rated output can be achieved with proper selection of duty ratio. The working principle with characteristics waveform and mathematical analysis of voltage gain are discussed in detail. The proposed converter is simulated in MatLab 2018a and obtained simulation result proves the mathematical analysis and functionality of the converter.
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