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A novel tuning method for advanced line drop compensator and its application to response coordination of distributed generation with voltage regulating devices


Muttaqi, KM and Le, ADT and Negnevitsky, M and Ledwich, G, A novel tuning method for advanced line drop compensator and its application to response coordination of distributed generation with voltage regulating devices, IEEE Transactions on Industry Applications, 52, (2) pp. 1842-1854. ISSN 0093-9994 (2016) [Refereed Article]

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2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

DOI: doi:10.1109/TIA.2015.2487441


Nowadays, the integration of small-scale electricity generators, known as distributed generation (DG), into distribution networks has become increasingly popular. This tendency, together with the falling price of DG units, has a great potential in giving the DG a better chance to participate in the voltage regulation process, in parallel with other regulating devices already available in the distribution systems. The voltage control issue turns out to be a very challenging problem for distribution engineers since existing control coordination schemes need to be reconsidered to take into account the DG operation. In this paper, a new tuning method for the line drop compensator has been proposed, and it is applied for the control coordination of DG with other regulating devices in the network, which is able to utilize the ability of the DG as a voltage regulator and, at the same time, minimize the interaction of DG with another DG or other active devices such as the on-load tap changing transformer (OLTC). The proposed coordination technique has been developed based on the concepts of protection principles (magnitude grading and time grading) for the response coordination of OLTC, DG unit, and other regulating devices. A distribution feeder with a tap changing transformer and DG unit has been extracted from a practical system to test the proposed control technique. The results show that the proposed method provides an effective solution for coordination between OLTC and DG, DG-DG, or DG and voltage regulating devices, and the integration of protection principles has considerably reduced the control interaction to achieve the desired voltage correction.

Item Details

Item Type:Refereed Article
Keywords:distributed generation (DG), line drop compensator (LDC), tap changing transformer, voltage control design.
Research Division:Engineering
Research Group:Electrical engineering
Research Field:Electrical energy generation (incl. renewables, excl. photovoltaics)
Objective Division:Energy
Objective Group:Energy storage, distribution and supply
Objective Field:Energy services and utilities
UTAS Author:Le, ADT (Mr An Le)
UTAS Author:Negnevitsky, M (Professor Michael Negnevitsky)
ID Code:114442
Year Published:2016
Web of Science® Times Cited:10
Deposited By:Engineering
Deposited On:2017-02-15
Last Modified:2018-04-12

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