A Full Range Soft-Switching Operated Modified DC-DC Converter for EV Applications with Low Voltage Spikes

As the role of converter configuration is vital in the AC charging units. This paper proposes a modified leg full-bridge DC-DC converter (FBDC), which operates with customized pulse width modulation (cmPWM) gating technique for electric vehicle (EV) applications. This configuration shown can work wi...

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Bibliographic Details
Published inIECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society pp. 1 - 6
Main Authors Srivastava, Manaswi, Wadhera, Tanu, Kumar, G K Naveen, Verma, Arun Kumar
Format Conference Proceeding
LanguageEnglish
Published IEEE 17.10.2022
Subjects
Capacitors
DC-DC converter
DC-DC power converters
Legged locomotion
pulse width modulation
Rectifiers
Switches
Switching loss
zero current switching
Zero voltage switching
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Summary:As the role of converter configuration is vital in the AC charging units. This paper proposes a modified leg full-bridge DC-DC converter (FBDC), which operates with customized pulse width modulation (cmPWM) gating technique for electric vehicle (EV) applications. This configuration shown can work with zero voltage switching (ZVS) turn-on and zero current switching (ZCS) turn-off with minimal conduction losses and zero switching loss in the co-occurrence of conventional FBDC. Consequently, the problem of reverse voltage and voltage spikes is addressed by including the series diodes in the lagging leg and series or blocking capacitor in series with the main transformer, respectively. The converter's design and comprehensive theoretical analysis are presented. To validate the design and analysis of the configuration, a 1.4 kW system is made in a laboratory operating at 80 kHz frequency.
ISSN:2577-1647
DOI:10.1109/IECON49645.2022.9968515