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Auxiliary subsystems of a General-Purpose IGBT Stack for high-performance laboratory power converters

Adapa, Anil Kumar and Venkatramanan, D and John, Vinod (2017) Auxiliary subsystems of a General-Purpose IGBT Stack for high-performance laboratory power converters. In: SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES, 42 (8, SI). pp. 1355-1362.

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Official URL: http://doi.org/10.1007/s12046-017-0661-5

Abstract

A PWM converter is the prime component in many power electronic applications such as static UPS, electric motor drives, power quality conditioners and renewable-energy-based power generation systems. While there are a number of computer simulation tools available today for studying power electronic systems, the value added by the experience of building a power converter and controlling it to function as desired is unparalleled. A student, in the process, not only understands power electronic concepts better, but also gains insights into other essential engineering aspects of auxiliary subsystems such as start-up, sensing, protection, circuit layout design, mechanical arrangement and system integration. Higher levels of protection features are critical for the converters used in a laboratory environment, as advanced protection schemes could prevent unanticipated failures occurring during the course of research. This paper presents a laboratory-built General-Purpose IGBT Stack (GPIS), which facilitates students to practically realize different power converter topologies. Essential subsystems for a complete power converter system is presented covering details of semiconductor device driving, sensing circuit, protection mechanism, system start-up, relaying and critical PCB layout design, followed by a brief comparison to commercially available IGBT stacks. The results show the high performance that can be obtained by the GPIS converter.

Item Type: Journal Article
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Additional Information: Copy right for this article belongs to the INDIAN ACAD SCIENCES, C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 16 Sep 2017 05:57
Last Modified: 16 Sep 2017 05:57
URI: http://eprints.iisc.ernet.in/id/eprint/57826

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