Continued Investigation of Arc Flash in Single Phase Systems

John F. Wade; Paul W. Brazis; David W. Lambrecht

doi:10.1109/IAS54023.2022.9940044

Continued Investigation of Arc Flash in Single Phase Systems

John F. Wade, Paul W. Brazis, David W. Lambrecht

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

5 Scopus citations

Abstract

IEEE 1584-2018 documents the standard method for calculating arc flash incident energy. This value is then used to establish one of several safety boundaries around exposed, energized electrical conductors and to select protective equipment. While 1584 covers three-phase configurations in detail, it currently excludes single-phase calculations. Prevalence of single-phase AC power distribution inspired curiosity about possible hazards of fire and injury arising from arc flash in such systems. This paper extends work previously published and covers the conclusion of doctoral research into single-phase arc flash in one laboratory configuration. Further experimental work supported the hypothesis that incident energy would be low (less than 1 cal/cm2) for single-phase events below some threshold voltage and for available fault currents up to 22,000 amperes. This threshold voltage appears to be near 434VAC. Repeated test groups at greater than 434V sustained the conclusion that such configurations develop dangerous levels of heat and blast pressure even when the source is single-phase.

Original language	English
Title of host publication	2022 IEEE Industry Applications Society Annual Meeting, IAS 2022
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781665478151
DOIs	https://doi.org/10.1109/IAS54023.2022.9940044
State	Published - 2022
Event	2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 - Detroit, United States Duration: Oct 9 2022 → Oct 14 2022

Publication series

Name	Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume	2022-October
ISSN (Print)	0197-2618

Conference

Conference	2022 IEEE Industry Applications Society Annual Meeting, IAS 2022
Country/Territory	United States
City	Detroit
Period	10/9/22 → 10/14/22

Funding

Research funding was underwritten by a grant from UL Corporate Research facilitated by The University of Tennessee, and an in-kind grant by Schneider Electric.

Keywords

arc blast
arc flash
blast injury
burns
incident energy
single phase

Access to Document

10.1109/IAS54023.2022.9940044

Cite this

Wade, J. F., Brazis, P. W., & Lambrecht, D. W. (2022). Continued Investigation of Arc Flash in Single Phase Systems. In 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022 (Conference Record - IAS Annual Meeting (IEEE Industry Applications Society); Vol. 2022-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IAS54023.2022.9940044

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title = "Continued Investigation of Arc Flash in Single Phase Systems",

abstract = "IEEE 1584-2018 documents the standard method for calculating arc flash incident energy. This value is then used to establish one of several safety boundaries around exposed, energized electrical conductors and to select protective equipment. While 1584 covers three-phase configurations in detail, it currently excludes single-phase calculations. Prevalence of single-phase AC power distribution inspired curiosity about possible hazards of fire and injury arising from arc flash in such systems. This paper extends work previously published and covers the conclusion of doctoral research into single-phase arc flash in one laboratory configuration. Further experimental work supported the hypothesis that incident energy would be low (less than 1 cal/cm2) for single-phase events below some threshold voltage and for available fault currents up to 22,000 amperes. This threshold voltage appears to be near 434VAC. Repeated test groups at greater than 434V sustained the conclusion that such configurations develop dangerous levels of heat and blast pressure even when the source is single-phase.",

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Wade, JF, Brazis, PW & Lambrecht, DW 2022, Continued Investigation of Arc Flash in Single Phase Systems. in 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022. Conference Record - IAS Annual Meeting (IEEE Industry Applications Society), vol. 2022-October, Institute of Electrical and Electronics Engineers Inc., 2022 IEEE Industry Applications Society Annual Meeting, IAS 2022, Detroit, United States, 10/9/22. https://doi.org/10.1109/IAS54023.2022.9940044

Continued Investigation of Arc Flash in Single Phase Systems. / Wade, John F.; Brazis, Paul W.; Lambrecht, David W.
2022 IEEE Industry Applications Society Annual Meeting, IAS 2022. Institute of Electrical and Electronics Engineers Inc., 2022. (Conference Record - IAS Annual Meeting (IEEE Industry Applications Society); Vol. 2022-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - IEEE 1584-2018 documents the standard method for calculating arc flash incident energy. This value is then used to establish one of several safety boundaries around exposed, energized electrical conductors and to select protective equipment. While 1584 covers three-phase configurations in detail, it currently excludes single-phase calculations. Prevalence of single-phase AC power distribution inspired curiosity about possible hazards of fire and injury arising from arc flash in such systems. This paper extends work previously published and covers the conclusion of doctoral research into single-phase arc flash in one laboratory configuration. Further experimental work supported the hypothesis that incident energy would be low (less than 1 cal/cm2) for single-phase events below some threshold voltage and for available fault currents up to 22,000 amperes. This threshold voltage appears to be near 434VAC. Repeated test groups at greater than 434V sustained the conclusion that such configurations develop dangerous levels of heat and blast pressure even when the source is single-phase.

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Continued Investigation of Arc Flash in Single Phase Systems

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