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Low-frequency dc bus ripple cancellation in single phase pulse-width modulation inverters

Iyer, Vishnu Mahadeva and John, Vinod (2015) Low-frequency dc bus ripple cancellation in single phase pulse-width modulation inverters. In: IET POWER ELECTRONICS, 8 (4). pp. 497-506.

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Official URL: http://dx.doi.org/10.1049/iet-pel.2014.0320

Abstract

This study presents a topology for a single-phase pulse-width modulation (PWM) converter which achieves low-frequency ripple reduction in the dc bus even when there are grid frequency variations. A hybrid filter is introduced to absorb the low-frequency current ripple in the dc bus. The control strategy for the proposed filter does not require the measurement of the dc bus ripple current. The design criteria for selecting the filter components are also presented in this study. The effectiveness of the proposed circuit has been tested and validated experimentally. A smaller dc-link capacitor is sufficient to keep the low-frequency bus ripple to an acceptable range in the proposed topology.

Item Type: Journal Article
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Additional Information: Copy right for this article belongs to the INST ENGINEERING TECHNOLOGY-IET, MICHAEL FARADAY HOUSE SIX HILLS WAY STEVENAGE, HERTFORD SG1 2AY, ENGLAND
Keywords: POWER-CONDITIONING SYSTEM; FUEL-CELL; PWM RECTIFIER; REDUCTION; CAPACITORS; FILTERS; LOAD
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 06 May 2015 05:05
Last Modified: 06 May 2015 05:05
URI: http://eprints.iisc.ernet.in/id/eprint/51479

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