A reduced sensor based bridgeless boost (BLB) PFC converter fed full bridge inductor-inductor capacitor (FBLLC) converter for electric vehicle (EV) charging, is presented in this work. This converter is a twin stage converter, where the first stage is a PFC-BLB converter operating in continuous inductor conduction mode (CICM), and the second stage is a FBLLC converter, which converts the output voltage of the PFC-BLB converter to an isolated low voltage for constant current/ constant voltage (CC/CV) charging of an EV battery. The BLB converter is switched at fixed frequency using pulse width modulated (PWM) control, whereas FBLLC converter employs a pulse frequency modulation (PFM) control to enable CC/CV charging of EV battery. An experimental prototype of EV charger is developed and the digital control of PFC-BLB and FBLLC converter, is implemented using a 32 bit TMS 320F 28035 digital signal processor (DSP) to charge an EV battery with a maximum power of 2. 7kW and a current of 50A.
A Power Factor Corrected Resonant EV Charger Using Reduced Sensor Based Bridgeless Boost PFC Converter
01.06.2020
2424090 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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