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Monitoring the Effects of On-Load Tap Changing Transformers on Voltage Stability

Thukaram, D and Jenkins, Lawrence and Khincha, HP and Yesuratnam, G and Kumar, Ravi B (2004) Monitoring the Effects of On-Load Tap Changing Transformers on Voltage Stability. In: 2004 International Conference on Power System Technology-POWERCON, 21-24 November, Singapore, Vol.1, 419-424.

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Abstract

It is becoming increasingly important for power system planning and operating engineers to be capable of performing comprehensive voltage stability analyses of the systems. This need is largely due to recent trends towards operating systems under stressed conditions as a result of increasing system loads without sufficient transmission and/or generation enhancements. This paper discusses effect of the on-load tap changing transformers (OLTCs) on voltage stability and identifying critical OLTCs to avoid possibilities of voltage instability conditions. The developed approach has been tested on sample systems. Results obtained on an equivalent system of 24-node practical power system are presented.

Item Type: Conference Paper
Additional Information: �©1990 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.
Keywords: Voltage stability;OLTC transformers,
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 02 Dec 2005
Last Modified: 19 Sep 2010 04:21
URI: http://eprints.iisc.ernet.in/id/eprint/4248

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