Zero-Voltage and Zero-Current Switching Buck-Boost Converter for PV Applications

doi:https://doi.org/10.11591/eei.v3i4.300

Article10.11591/eei.v3i4.300

Zero-Voltage and Zero-Current Switching Buck-Boost Converter for PV Applications

Athulya P Prem,Sudhin Govind,Chinnu P Ravi-2014-12-01-Bulletin of Electrical Engineering and Informatics

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TL;DRAbstract

A ZVS and ZCS buck boost converter is presented for PV panel applications. The salient points are that all the switching devices are under zero-current switching during turn-on and zero-voltage switching during turn-off. The active switches in the converter undergo zero-capacitive turn-on losses unlike switches in other soft-switched topologies. The switches do not experience any over voltage/over current stress proportional to load as in resonant converters. This soft-switching technique can also be applied to other classical switched mode power converters. A detailed analysis of the converter under steady state is discussed and simulation results obtained are presented.

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A ZVS and ZCS buck boost converter is presented for PV panel applications. The salient points are that all the switching devices are under zero-current switching during turn-on and zero-voltage switching during turn-off. The active switches in the converter undergo zero-capacitive turn-on losses unlike switches in other soft-switched topologies. The switches do not experience any over voltage/over current stress proportional to load as in resonant converters. This soft-switching technique can also be applied to other classical switched mode power converters. A detailed analysis of the converter under steady state is discussed and simulation results obtained are presented.

Keywords

Zero (linguistics)Buck converterCurrent (fluid)Boost converterBuck–boost converterControl theory (sociology)VoltageĆuk converter

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