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Proportional resonant controller based circulating power setup for thermal testing of multilevel inverter

Prasad, CR and Narayanan, G (2012) Proportional resonant controller based circulating power setup for thermal testing of multilevel inverter. In: 2012 7th IEEE International Conference on Industrial and Information Systems (ICIIS), 6-9 Aug. 2012, Chennai.

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Official URL: http://dx.doi.org/10.1109/ICIInfS.2012.6304815

Abstract

A regenerative or circulating-power method is presented in this paper for heat run test on the legs of a three-level neutral point clamped (NPC) inverter. This test ensures that only losses are drawn from the dc supply, while rated power is circulated between the two legs, thus minimising wastage of energy. A proportional-resonant (PR) controller based current control scheme is proposed here for the circulating power test setup in NPC inverter. Simulation and experimental results are presented to validate the controller design at various operating conditions. Results of thermal test on the inverter legs are presented at two different operating conditions.

Item Type: Conference Proceedings
Additional Information: Copyright of this article belongs to IEEE.
Keywords: Proportional Resonant Controller; Heat Run Test; Neutral Point Clamped Inverter
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 29 May 2013 10:20
Last Modified: 29 May 2013 10:20
URI: http://eprints.iisc.ac.in/id/eprint/46417

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