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Optimal Sizing of Neutral Ground Resistor to Mitigate Temporary Overvoltage by the Non-Islanding of Distributed Generation
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Publication Year
2022-01-01
Journal
IEEE Power and Energy Society General Meeting
Publisher
IEEE Computer Society
Citation
IEEE Power and Energy Society General Meeting, Vol.2022-July
Keyword
fault currentground potential riseneutral currentneutral grounding resistortemporary overvoltage
Mesh Keyword
Distribution systemsGround potential riseGrounding resistorIslandingNeutral currentsNeutral ground resistorsNeutral groundingNeutral grounding resistorOptimal sizingTemporary overvoltages
All Science Classification Codes (ASJC)
Energy Engineering and Power TechnologyNuclear Energy and EngineeringRenewable Energy, Sustainability and the EnvironmentElectrical and Electronic Engineering
Abstract
In a multi-grounded neutral distribution system with distributed generation (DG), an optimally sized neutral grounding resistor (NGR) is important to mitigate temporary overvoltage (TOV). However, a strategy to determine the optimal NGR size to mitigate the TOV caused by the non-islanding operation of DG has not been investigated. This paper introduces an algorithm to determine such a strategy, regardless of the variations in the distribution system. First, a methodology to determine the TOV is briefly introduced. Based on this methodology, an algorithm to determine the optimal size of the NGR is developed. Finally, the proposed algorithm is shown to determine the optimal NGR size to lower the TOV, regardless of the variations in distribution system.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36828
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85141536579&origin=inward
DOI
https://doi.org/10.1109/pesgm48719.2022.9916734
Journal URL
http://ieeexplore.ieee.org/xpl/conferences.jsp
Type
Conference
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Jung, Jaesung  Image
Jung, Jaesung 정재성
Department of Electrical and Computer Engineering
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