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Reactor based Voltage Regulators for Single Wire Earth Return Systems

Access Status
Open access
Authors
Wolfs, Peter
Senini, S.
Hosseinzadeh, N.
Seyoum, D.
Loveday, A.
Turner, J.
Date
2006
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. 2006. Reactor based Voltage Regulators for Single Wire Earth Return Systems, in Kalam, A. (ed), Australasian Universities Power Engineering Conference AUPEC 2006, Dec 10 2006. Melbourne Victoria: Victoria University.
Source Title
Australasian Universities Power Engineering Conference
Source Conference
Australasian Universities Power Engineering Conference AUPEC 2006
ISBN
Faculty
Department of Electrical and Computer Engineering
School of Engineering
Faculty of Science and Engineering
URI
Collection
Abstract

Single wire earth return systems, (SWER), are the lowest cost technology for rural power distribution and have global application. Voltage regulation is the determining factor for system capacity for long SWER systems. In long systems, directly connected shunt reactors are often used to compensate the effects of line to ground capacitance. The replacement of fixed shunt reactors with controllable reactors provides an opportunity to significantly increase the system capacity. Three methods of reactor control are studied. Thyristor controlled reactors or mechanically switched reactors can be connected via transformers. Alternatively, switched reactors can be connected to consumer transformers. A case study based on the North Jericho system shows the approaches capable of effecting capacity increases ranging from 82% to 100%.