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 (2015) A coordinated voltage control approach for coordination of OLTC, voltage regulator, and DG to regulate voltage in a distribution feeder. IEEE Transactions on Industry Applications, 51(2), pp. 1239-1248.
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 the synchronous-type generator has potential to give DG a better chance at 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 DG as a voltage regulator and, at the same time, minimize interaction with other active devices, such as an on-load tap changing transformer and a voltage regulator. The technique has been developed based on the concept of control zone, line drop compensation, dead band, as well as the choice of controllers' 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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|Item Type:||Journal Article|
|Keywords:||Control zone, Distributed generation (DG), Distribution system, Hysteresis band, Line drop compensator, On-load tap changing transformer (OLTC), Voltage control|
|Divisions:||Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||© Copyright 2015 by IEEE|
|Deposited On:||13 May 2015 23:46|
|Last Modified:||22 May 2015 01:35|
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