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Thyristor Controlled Reactor Methods to Increase the Capacity of Single Wire Earth Return Systems

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Open access
Authors
Wolfs, Peter
Senini, S.
Hosseinzadeh, N.
Seyoum, D.
Loveday, A.
Turner, J.
Date
2005
Type
Conference Paper

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Citation
Wolfs, Peter and Senini, S. and Hosseinzadeh, N. and Seyoum, D. and Loveday, A. and Turner, J. 2005. Thyristor Controlled Reactor Methods to Increase the Capacity of Single Wire Earth Return Systems, in Negnvitsky, M. (ed), Australasian Universities Power Engineering Conference AUPEC 2005, Sep 25 2005, pp. 615-620. Hobart, Tasmania: University of Tasmania.
Source Title
Australasian Universities Power Engineering Conference
Source Conference
Australasian Universities Power Engineering Conference AUPEC 2005
ISBN
Faculty
Department of Electrical and Computer Engineering
School of Engineering
Faculty of Science and Engineering
URI
Collection
Abstract

Single wire earth return systems are a widely applied low cost power distribution method used in many rural areas. In Central Queensland a single SWER system supplying approximately 100kW may extend more than 300km. These systems often use shunt reactors to compensate the effects of line to ground capacitance. Recent patterns of load growth are forcing the upgrading of these systems. As voltage regulation is the determining factor, the replacement of fixed shunt reactors with controllable reactors provides an opportunity to significantly increase the system capacity. A study of the North Jericho SWER system shows a capacity increase of approximately 85% can be achieved.