Improving power quality in low-voltage networks containing distributed energy resources

Mazumder, Sumit, Ghosh, Arindam, & Zare , Firuz (2013) Improving power quality in low-voltage networks containing distributed energy resources. International Journal of Emerging Electric Power Systems, 14(1), pp. 67-78.

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Severe power quality problems can arise when a large number of single-phase distributed energy resources (DERs) are connected to a low-voltage power distribution system. Due to the random location and size of DERs, it may so happen that a particular phase generates excess power than its load demand. In such an event, the excess power will be fed back to the distribution substation and will eventually find its way to the transmission network, causing undesirable voltage-current unbalance. As a solution to this problem, the article proposes the use of a distribution static compensator (DSTATCOM), which regulates voltage at the point of common coupling (PCC), thereby ensuring balanced current flow from and to the distribution substation. Additionally, this device can also support the distribution network in the absence of the utility connection, making the distribution system work as a microgrid. The proposals are validated through extensive digital computer simulation studies using PSCADTM

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3 citations in Scopus
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ID Code: 61813
Item Type: Journal Article
Refereed: Yes
Keywords: DSTATCOM; DER; power circulation
DOI: 10.1515/ijeeps-2013-0022
ISSN: 1553-779X
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: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: © 2013 by Walter de Gruyter Berlin / Boston 2013.
Deposited On: 13 Aug 2013 06:24
Last Modified: 09 Apr 2014 12:19

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