Network reconfiguration and DG output including real time optimal switching sequence for system improvement

Badran, Ola and Jallad, Jafar and Mokhlis, Hazlie and Mekhilef, Saad (2020) Network reconfiguration and DG output including real time optimal switching sequence for system improvement. Australian Journal of Electrical and Electronics Engineering, 17 (3). pp. 157-172. ISSN 1448-837X

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Official URL: https://doi.org/10.1080/1448837X.2020.1800556

Abstract

This research proposes an optimal switching sequence path method in order to minimise power losses during the network switching operation. Apart from this contribution, simultaneous optimal network reconfiguration and optimal DG output generation were also presented. The proposed methodology involves (1) optimal radial network reconfiguration and DG output simultaneously and (2) real time optimal sequence of switching operations required to convert the network from the original configuration to the optimal configuration obtained from (1). The proposed method is applied to reduce power losses and improve the overall voltage profile of the system. The chosen optimisation techniques include (EP), (PSO), (GSA), and (FA). To assess the capabilities of the proposed method, simulations using MATLAB were carried out on IEEE 33-bus and IEEE 69-bus radial distribution networks. The obtained results demonstrate the effectiveness of the proposed strategy to determine the sequence path of switching operations, as well as the optimal network configuration and optimal generation output of DG units. For more validation, real-time analysis test using PSCAD/EMTDC software is used to check the voltage stability of the system during switching process. The test proved that the optimal switching sequence does not cause over voltage or under voltage when implemented in real-time conditions. ©, Engineers Australia.

Item Type: Article
Uncontrolled Keywords: distributed generation; distribution reconfiguration; power losses; Switching sequence path; voltage profile
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Oct 2021 03:49
Last Modified: 04 Oct 2021 03:49
URI: http://eprints.um.edu.my/id/eprint/26043

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