Intelligent distribution planning and control incorporating microgrids

Wishart, Michael, Dewadasa, Manjula, Ziari, Iman, Ledwich, Gerard, & Ghosh, Arindam (2011) Intelligent distribution planning and control incorporating microgrids. In IEEE Power Engineering General Meeting (IEEE PES 2011), 25-29 July 2010, Detroit.

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This paper proposes a comprehensive approach to the planning of distribution networks and the control of microgrids. Firstly, a Modified Discrete Particle Swarm Optimization (MDPSO) method is used to optimally plan a distribution system upgrade over a 20 year planning period. The optimization is conducted at different load levels according to the anticipated load duration curve and integrated over the system lifetime in order to minimize its total lifetime cost. Since the optimal solution contains Distributed Generators (DGs) to maximize reliability, the DG must be able to operate in islanded mode and this leads to the concept of microgrids. Thus the second part of the paper reviews some of the challenges of microgrid control in the presence of both inertial (rotating direct connected) and non-inertial (converter interfaced) DGs. More specifically enhanced control strategies based on frequency droop are proposed for DGs to improve the smooth synchronization and real power sharing minimizing transient oscillations in the microgrid. Simulation studies are presented to show the effectiveness of the control.

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4 citations in Scopus
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ID Code: 43825
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Microgrid, intelligent control, power system planning and control
ISBN: 9781457710018
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2011 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: 07 Aug 2011 23:33
Last Modified: 13 Aug 2011 03:23

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