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High Performance Parallel Single-Phase Converter Reconfiguration for Enhanced Availability

Hedayati, Mohammad Hassan and John, Vinod (2018) High Performance Parallel Single-Phase Converter Reconfiguration for Enhanced Availability. In: IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 54 (1). pp. 388-394.

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Official URL: http://dx.doi.org/10.1109/TIA.2017.2740292

Abstract

Paralleling power converters is a common practice in industries to enhance total power rating, reliability, and availability of the system. In case of fault occurring in systems with parallel converters, the faulty power converter can be isolated and the system can still be operated at reduced power level. In this paper, a grid-connected power converter consisting of two parallel H-bridge converters with low ground leakage current is considered. Two contingency configurations, that are also of low ground leakage current, are proposed to enhance the availability of the system. This is done by reconfiguring the power circuit to a single H-bridge in the case of failure in one of the bridges. The power converter is experimentally tested with the proposed configurations for experimental validation. The results show that the second configuration has better performance in terms of power loss and current total harmonic distortion when operating at lower power level.

Item Type: Journal Article
Additional Information: Int Aegean Conference on Electrical Machines and Power Electronics (ACEMP) / Int Conference on Optimization of Electrical and Electronic Equipment (OPTIM) / Int Symposium on Advanced Electromechanical Motion Systems (ELECTROMOTION), Side, TURKEY, SEP 02-04, 2015
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 02 Mar 2018 14:58
Last Modified: 02 Mar 2018 14:58
URI: http://eprints.iisc.ac.in/id/eprint/58962

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