Reliability and Network Performance Enhancement by Reconfiguring Underground Distribution Systems

Praveen Agrawal, Neeraj Kanwar*, Nikhil Gupta*, Khaleequr Rehman Niazi, Anil Swarnkar, Nand K. Meena*, Jin Yang*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Contemporary distributions are now going to underground their overhead distribution lines due to techno-social reasons. Reliability and loss reduction are the two prime objectives for distribution system operation. Since failure rates of ungrounded cables are the function of Joules heating besides their physical lengths, the reliability evaluation of undergrounded distribution systems needs to be reviewed. This paper suggested a suitable modification in existing reliability indices in order to make them more appropriate for underground distribution systems. A multi-objective network reconfiguration problem is formulated to enhance the reliability and performance of distribution systems while duly addressing the variability and uncertainty in load demand and power generation from renewables. The application results on a standard test bench shift the paradigm of the well-known conflicting nature of reliability and network performance indices defined for overhead distribution systems.
Original languageEnglish
Article number4719
JournalEnergies
Volume13
Issue number18
DOIs
Publication statusPublished - 10 Sep 2020

Bibliographical note

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access
article distributed under the terms and conditions of the Creative Commons Attribution
(CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Keywords

  • dynamic failure rate
  • loss reduction
  • network reconfiguration
  • reliability
  • undergrounded distribution systems

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