Implementation of Impedance Type Multimode Tandem Photovoltaic DC Booster Converter for Electric Vehicles
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Abstract
This paper deals with a multi-module impedance type photovoltaic DC boost converter comprising a quasi-Z source impedance circuit and a bridge DC converter for electric vehicles; wherein the quasi-Z source impedance circuit and the DC converter bridge. The impedance-type power conversion unit is formed by cascade converters. The input end of the impedance-type power conversion unit is used to connect the photovoltaic array and the output terminals are connected in series to obtain high DC voltage. The number of impedance-type power conversion units is multiple. It also includes a unipolar DC/DC converter. The output ends of a plurality of impedance DC/DC converters are connected in series and then connected to an input circuit of a single bipolar conversion DC/DC converter. The maximum power point tracker (MPPT) algorithm implemented in the boost converter using Perturb and Observe algorithm and the simulation results are obtained in Matlab.
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