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A Novel Modulation Strategy for Active Rectification of A Snubber Less Soft-switched Single Stage 3 phi High Frequency Link DC-AC Converter

Pal, Anirban and Basu, Kaushik (2017) A Novel Modulation Strategy for Active Rectification of A Snubber Less Soft-switched Single Stage 3 phi High Frequency Link DC-AC Converter. In: IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), NOV 08-10, 2017, Bangalore, INDIA.

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Official URL: http://dx.doi.org/10.1109/APPEEC.2017.8309011

Abstract

This paper proposes a novel modulation strategy for active rectification of a single stage, isolated, three-phase high frequency link DC-AC converter. The proposed modulation strategy results in zero voltage switching (ZVS) of the DC side converter and zero current switching (ZCS) of AC side converter at all operating conditions without using additional snubber circuit. The technique also ensures magnetic flux balance of transformer within a switching cycle. High frequency transformer (HFT) flux balance results in significant reduction in size and weight and hence improves power density. The paper presents a detailed description of the proposed modulation strategy for unity power factor (UPF) operation. Important simulation results are shown to verify the converter operation.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong to IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 18 Apr 2018 18:23
Last Modified: 18 Apr 2018 18:23
URI: http://eprints.iisc.ac.in/id/eprint/59630

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