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A simple firing delay control circuit for bridge converters

Biswas, Sujit Kumar (1982) A simple firing delay control circuit for bridge converters. In: International Journal of Electronics, 52 (6). pp. 597-603.

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Abstract

A simple ramp control firing circuit, suitable for use with fully controlled, line-commutated thyristor bridge circuits, is discussed here. This circuit uses very few components and generates the synchronized firing pulses in a simple way. It operates from a single 15 V Supply and has an inherent pulse inhibit facility. This circuit provides the synchronized firing pulses for both thyristors of the same limb in a bridge. To ensure reliability, wide triggering pulses are used, which are modulated to pass through the pulse transformers1 and demodulated before being fed to the thyristor gates. The use of throe such circuits only for a three-phase bridge is discussed.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 24 Dec 2009 08:48
Last Modified: 24 Dec 2009 08:48
URI: http://eprints.iisc.ernet.in/id/eprint/21622

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