A coordinated voltage control approach for coordination of OLTC, voltage regulator and DG to regulate voltage in a distribution feeder

Muttaqi, Kashem M., Le, An D.T., Negnevitsky, Michael, & Ledwich, Gerard (2013) A coordinated voltage control approach for coordination of OLTC, voltage regulator and DG to regulate voltage in a distribution feeder. In Proceedings of the 2013 IEEE Industry Applications Society Annual Meeting, IEEE, Lake Buena Vista, Orlando, FL, pp. 1-8.

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Integration of small-scale electricity generators, known as Distributed Generation (DG), into the distribution networks has become increasingly popular at the present. This tendency together with the falling price of synchronous-type generator has potential to give the DG a better chance in participating in the voltage regulation process together with other devices already available in the system. The voltage control issue turns out to be a very challenging problem for the distribution engineers since existing control coordination schemes would need to be reconsidered to take into account the DG operation. In this paper, we propose a control coordination technique, which is able to utilize the ability of the DG as a voltage regulator, and at the same time minimizes interaction with other active devices, such as On-load Tap Changing Transformer (OLTC) and voltage regulator. The technique has been developed based on the concept of control zone, Line Drop Compensation (LDC), as well as the choice of controller's parameters. Simulations carried out on an Australian system show that the technique is suitable and flexible for any system with multiple regulating devices including DG.

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ID Code: 66590
Item Type: Conference Paper
Refereed: No
Keywords: Distributed Generation, Voltage Control, On-load Tap Changing Transformer, Line Drop Compensator
DOI: 10.1109/IAS.2013.6682518
ISBN: 9781467352024
ISSN: 0197-2618
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 IEEE
Deposited On: 23 Jan 2014 23:24
Last Modified: 29 Jan 2014 06:06

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