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A Simple Multiple Pulsewidth Modulated AC Choppe

Bhat, S Ashoka Krishna and Joseph, Vithayathil (1982) A Simple Multiple Pulsewidth Modulated AC Choppe. In: IEEE Transactions on Industrial Electronics, 29 (3). 185 -189.

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Abstract

A simple multiple pulsewidth modulated (MPWM) ac chopper using power transistors for 3-ý power control is discussed. 120ý chopping period is used for main transistors so that the circuit can accommodate resistive and lagging or leading power factor loads. Only 1-ý sensing is used for 3-ý control. An alternate economical power and control schemes for 3-ý MPWM ac choppers suitable only for resistive loads is also suggested. The experimental results for 12 choppings per cycle are given.

Item Type: Journal Article
Additional Information: Copyright 1982 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 29 Dec 2009 10:32
Last Modified: 19 Sep 2010 05:35
URI: http://eprints.iisc.ernet.in/id/eprint/21055

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