Journal of Electrical Engineering : Volume 19 / 2019 - Edition : 3

A Novel Hybrid DC-DC Converter with High Voltage Gain for Electric Vehicle Charging Systems

Authors:
G.R. RAJESHKANNA
K. MUTHULAKSHMI
R.M. SASIRAJA
T.ESWARAN
D. PRINCE WINSTON
B. PRAVEEN KUMAR
Domain:
building electrification
Abstract:
The voltage gain of the traditional conventional converter is limited due to the rise in ripple current, elevated voltage stress across the diode and the active switch. The operation of large duty ratio associated with the low efficiency. In renewable energy power systems applications, high voltage gain is required with the low input voltage. A high voltage gain hybrid DC-DC converter for Electric Vehicle Charging Systems based on a new topology comprising of simple switching dual structures, formed by two capacitors and two diodes is proposed in this work. It provides fewer conduction losses and the low current stress leads to high efficiency in the switching elements. The converter is applicable in telecom standard equipment for providing internet services, battery charging in electric vehicle and the high-intensity discharge lamps for automobile headlamps. The simple dual structure is inserted in classical Boost converter to provide new power supplies with steep voltage conversion ratio.
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