Abstract
The current fed series resonant converter for electrical vehicle application is offered in this paper. The converter is able to achieve ZVS for primary side semiconductor switches. In the overlap time of voltage and current at zero crossing series resonant tank circuit is gives short interval of resonant pulse. This resonant pulse provide natural voltage decrease for semiconductor switches and voltage pulse is zero earlier compare to current across switches and ZVS achieve for semiconductor switches. All devices turn off softly so dependency on snubber is decreased to clamp the voltage across the switches. Presented converter reduce the circulating current so switching losses is decreased and converter efficiency will improvise. The proposed converter is simulated in MATLAB Simulink environment to investigate and analyses the proposed converter.
Highlights
These days’ solution for the environmental pollution and CO2 emission through the conventional energy resources are major problem for the world is providing by the EV’s and HEV’s
The current fed series resonant converter for electrical vehicle application is offered in this paper
This paper investigate the zero voltage switching for front end switches for Converter
Summary
These days’ solution for the environmental pollution and CO2 emission through the conventional energy resources are major problem for the world is providing by the EV’s and HEV’s. The current fed convertor has various advantages such as small input current wave and inherent short circuit current protection, high voltage gain, higher efficiency, wide soft switching range these advantages makes current-fed topology more popular for HV gain and low voltage high current use. Current operated resonant converter utilizing high frequency transformer and resonant tank and circuit parasitic to achieve soft switching for switches [5]. The resonant tank circuit is used to provide smooth sine wave at both secondary and primary verges of the high frequency transformer, which allows low conduction losses of switching devices. The subsequent examination will designate that the voltage gain charterstics of the planned series resonant dc/dc is very like to the PWM converters, those voltage gain controlled through the duty cycle of the switches, the moved power and the way of power movement can be controlled through modest PWM regulator
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