Arc flash and electrical safety

2013 66th Annual Conference for Protective Relay Engineers Pub Date : 2013-04-08 DOI:10.1109/CPRE.2013.6822024

W. Lee, T. Gammon, Z. Zhang, B. Johnson, J. Beyreis

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引用次数: 3

Abstract

According to NFPA 70E, more than 2000 workers are admitted to hospital burn centers per year for extensive injuries caused by arc flash accidents. Arc flash incidents occur when unintended electric current flows through air, superheating the air and causes an explosion. Recognizing the significant threat posed by arc flash hazards, IEEE and NFPA have joined forces on an initiative to support research and additional testing to increase the understanding of the arc flash phenomena. Several areas of the arc flash phenomena need further research and testing validation to provide relevant information that can be used for developing safety strategies to protect workers. The identified areas include but are not limited to: (a) Heat and Thermal Effects, (b) Blast Pressure, (c) Sound and (d) Light Hazards. The test results of this project will provide information to help more accurately predict the hazards associated with high energy arcing faults, thereby improving electrical safety standards and providing practical safeguards for employees in the work place. This report highlights the activities of this collaborative research project.

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电弧闪光和电气安全

根据NFPA 70E，每年有超过2000名工人因电弧闪光事故造成的大面积伤害而被送往医院烧伤中心。当意外的电流流过空气，使空气过热并引起爆炸时，就会发生电弧闪光事故。认识到电弧闪光危害带来的重大威胁，IEEE和NFPA联合发起了一项倡议，支持研究和额外的测试，以增加对电弧闪光现象的理解。电弧闪光现象的几个领域需要进一步研究和测试验证，以提供可用于制定安全策略以保护工人的相关信息。确定的区域包括但不限于:(a)热和热效应，(b)爆炸压力，(c)声音和(d)光危害。本项目的试验结果将提供信息，帮助更准确地预测高能电弧故障的危害，从而提高电气安全标准，为工作场所的员工提供切实可行的保障。本报告重点介绍了这一合作研究项目的活动。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 66th Annual Conference for Protective Relay Engineers

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