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Ahmadi, S., Vahidinasab, V. 
ORCID: 0000-0002-0779-8727, Ghazizadeh, M.S. and Giaouris, D.,
2021.
A stochastic framework for secure reconfiguration of active distribution networks.
IET Generation, Transmission and Distribution.
ISSN 1751-8687
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1474552_Vahidinasab.pdf - Published version Download (1MB) | Preview |
Abstract
Automatic reconfiguration is one of the key actions in self-healing distribution networks. In these networks, after detecting and isolating the faulted portion, an automatic reconfiguration procedure is performed to restore the maximum possible affected loads without further interruptions during repair operations. This procedure becomes more complicated in the networks with integrated distributed generation units as they can bring security challenges for the reconfigured network after a fault event. To overcome these challenges, a stochastic framework is proposed here. In this framework, the reconfiguration procedure is conducted with a fast and reliable method which is based on the graph theory. Besides, the security challenges of utilizing distributed generations after an event are highlighted. Then, since a faulted network is more prone to subsequent faults, different actions of changing the distribution generations output power, preventing the insecure increment of short circuit capacity, and also considering the loadability improvement are proposed in the reconfiguration framework. Then in the final stage, the vulnerability of the distribution system to the uncertainties of load demand is resolved through a chance-constrained programming-based approach. To see the performance of the proposed stochastic framework, it is tested on a standard test system and the results prove its goodness and applicability for real distribution networks.
| Item Type: | Journal article | ||||||
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| Publication Title: | IET Generation, Transmission and Distribution | ||||||
| Creators: | Ahmadi, S., Vahidinasab, V., Ghazizadeh, M.S. and Giaouris, D. | ||||||
| Publisher: | Institution of Engineering and Technology (IET) | ||||||
| Date: | 28 September 2021 | ||||||
| ISSN: | 1751-8687 | ||||||
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| Rights: | © 2021 The Authors. IET Generation, Transmission & Distribution published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. | ||||||
| Divisions: | Schools > School of Science and Technology | ||||||
| Record created by: | Laura Ward | ||||||
| Date Added: | 29 Sep 2021 13:28 | ||||||
| Last Modified: | 29 Sep 2021 13:28 | ||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/44290 |
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