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Response coordination of distributed generation and tap changers for voltage support

Le, D. T., Muttaqi, K. M., Negnevitsky, Michael, & Ledwich, Gerard F. (2007) Response coordination of distributed generation and tap changers for voltage support. In Australasian Universities Power Engineering Conference, 2007. (AUPEC 2007), 9-12 December 2007, Perth, Western Australia.

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Abstract

The recent introduction of the competitive electricity market in many countries has sparked a renew trend in connecting small-size generators into distribution networks. Those new generators together with different other types of equipment such as On-load Tap Changing (OLTC) transformer, shunt capacitors, shunt reactors, etc, will all participate into the voltage regulation process in the power systems. Poor coordination between these devices may cause unnecessary operations, and consequently unnecessary wear, unnecessary energy consumption as well as poor voltage quality. In this paper, we present an innovative strategy to coordinate the voltage control actions in a distribution system with more than one voltage regulating device. The method for voltage control coordination is developed based on the priority level of each regulating device and implemented through communication. A sensitivity-based technique for determining the control zones of the regulating devices has been developed. A practical system with tap changers and distributed generator has been chosen to test the developed control method. Simulations have been carried out extensively on a practical distribution system to show the effectiveness of the method.

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ID Code: 14285
Item Type: Conference Paper
Keywords: distributed power generation, electric generators, on load tap changers, power capacitors, power consumption, power generation control, power markets, voltage control
DOI: 10.1109/AUPEC.2007.4548108
ISBN: 9780646494883
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2007 IEEE
Copyright Statement: 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.
Deposited On: 05 Aug 2008
Last Modified: 27 Mar 2013 15:14

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