Expanded DC Arc Flash Model for 125V Substation Battery Backup Systems

Austin C. Gaunce, Xuan Wu, John D. Mandeville, Dennis J. Hoffman, Amrit S. Khalsa, Joseph Sottile, Ronald J. Wellman

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Arc flash is one of two hazards primarily associated with electrical systems. Due to its prevalence, the majority of arc flash research has been dedicated to alternating current (AC) electrical systems. However, direct current (DC) electrical systems are becoming increasingly common, such as electrical storage systems (ESSs), solar photovoltaic (PV) panels, and high-voltage (HV) DC transmission lines. Thus, more research is needed to address the arc flash hazards posed by DC electrical systems. Current DC arc flash models are theoretical and lack empirical data compared with AC arc flash models. This paper presents models developed through empirical testing utilizing low-voltage (LV) station batteries. Furthermore, this paper investigates possible interactions between DC arc flash within LV battery systems and atmospheric conditions, such as temperature and relative humidity. Lastly, the paper provides information regarding the implementation of these models within American Electric Power's (AEP's) safety practices regarding batteries and DC panelboards.

Original languageEnglish
Title of host publication2020 IEEE/IAS 56th Industrial and Commercial Power Systems Technical Conference, I and CPS 2020
ISBN (Electronic)9781728171951
DOIs
StatePublished - Jun 2020
Event56th IEEE/IAS Industrial and Commercial Power Systems Technical Conference, I and CPS 2020 - Las Vegas, United States
Duration: Jun 29 2020 → …

Publication series

NameConference Record - Industrial and Commercial Power Systems Technical Conference
Volume2020-June

Conference

Conference56th IEEE/IAS Industrial and Commercial Power Systems Technical Conference, I and CPS 2020
Country/TerritoryUnited States
CityLas Vegas
Period6/29/20 → …

Bibliographical note

Publisher Copyright:
© 2020 IEEE.

Keywords

  • DC arc flash
  • arc-flash incident energy
  • arc-flash predictive model
  • station battery

ASJC Scopus subject areas

  • General Engineering

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