A framework for optimal clustering of a greenfield distribution network area into multiple autonomous microgrids

  • Shahram Mojtahedzadeh Smart Distribution Grid Research Lab, Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran
  • Sajad Najafi-Ravadanegh Smart Distribution Grid Research Lab, Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran
  • Mahmoud-Reza Haghifam Electric Transmission & Distribution Research Lab, Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran

Abstract

Microgrids (MGs) are recognized as cores and clusters of smart distribution networks. The optimal planning and clusteringof smart low-voltage distribution networks into autonomous MGs within a greenfield area is modeled and discussed in thispaper. In order to form and determine the electrical boundary of MGs set, some predefined criteria such as power mismatch,supply security and load density are defined. The network includes an external grid as backup and both dispatchable andnon-dispatchable Distributed Energy Resources (DERs) as MGs resources. The proposed strategy offers optimum sizing andsiting of DERs and MV substations for the autonomous operation of multiple MGs simultaneously. The imperialist competitivealgorithm (ICA) is used to optimize the cost function to determine the optimal linked MG clustering boundary. To evaluate thealgorithm the proposed method is applied to a greenfield area which is planned to become a mixed residential and commercialtown. The MGs’ optimal border, DERs location, size and type within each MG and LV feeders route are illustrated in bothgraphical and tabular form.

Author Biographies

Shahram Mojtahedzadeh, Smart Distribution Grid Research Lab, Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran
PhD Student
Sajad Najafi-Ravadanegh, Smart Distribution Grid Research Lab, Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran
Associate Professor at Azarbaijan Shahid Madani University
Mahmoud-Reza Haghifam, Electric Transmission & Distribution Research Lab, Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran
Full Professor

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Published
2016-12-04
How to Cite
MOJTAHEDZADEH, Shahram; NAJAFI-RAVADANEGH, Sajad; HAGHIFAM, Mahmoud-Reza. A framework for optimal clustering of a greenfield distribution network area into multiple autonomous microgrids. Journal of Power Technologies, [S.l.], v. 96, n. 4, p. 219--228, dec. 2016. ISSN 2083-4195. Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/943>. Date accessed: 17 sep. 2021.
Section
Electrical Engineering

Keywords

Distribution Network Clustering, Autonomous Microgrid, Distributed Energy Resources (DERs) Supply-Security, Imperialist Competitive Algorithm (ICA)

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