A Unidirectional Snubber Less Partially Soft-switched High Frequency Link Three Phase Inverter

Pal, Anirban and Basu, Kaushik (2017) A Unidirectional Snubber Less Partially Soft-switched High Frequency Link Three Phase Inverter. In: 32nd IEEE Annual Applied Power Electronics Conference and Exposition (APEC) , MAY 26-30, 2017, Tampa, FL, pp. 404-410.

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Abstract

This paper presents a unidirectional three phase inverter with a high frequency link. This topology can be used for the grid integration of renewable energy sources like photovoltaic, fuel cell etc, where power flow is unidirectional. The use of high frequency transformer (HFT) results in reduction of cost with improved power density. The switches in the proposed converter are either zero voltage switched or switched only at line frequency leading to negligible switching loss. Use of additional snubber circuits are also avoided for commutation of leakage energy of the HFT. The proposed converter with small shunt active filter ensures unity power factor operation. The operation of the proposed converter is analysed in detail. Key simulation results are shown to demonstrate the effectiveness of the proposed topology.

Item Type:	Conference Proceedings
Series.:	Annual IEEE Applied Power Electronics Conference and Exposition (APEC)
Additional Information:	Copy right for this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	15 Jul 2017 07:26
Last Modified:	15 Jul 2017 07:26
URI:	http://eprints.iisc.ac.in/id/eprint/57417

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