ELECTRICAL ARC FLASH SAFETY DETECTION IN POWER DISTRIBUTION NETWORK

Amakiri Okilo Friday, Aghaukwu Celestine Nonso, Simon Ita Okisak
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Abstract

This paper seeks to investigate the safety issues surrounding Federal University of Petroleum Resources Effurun (FUPRE) distribution network and the steps taken by the management to ensure that all employee’ health and safety issues are protected. Using direct observation, data were collected while ETAP was used to analyze the system. According to our findings, the Admin Block has the highest total fault current with an arcing value of 11.197 A and a bolted fault of 15.490 A, followed by College of Science with an arcing value of 9.460 A and a bolted fault of 13.106 A. Bus 1 has the lowest arcing value of 0.735 A and a bolted fault of 0.735A but with the highest incident energy of 6.180 cal/cm2, followed by Admin Block with incident energy of 2.868, while Health Center and Hostel had the lowest incident energy of 0.194 cal/cm2 and 0.196 cal/cm2, respectively. Arc-Flash Hazards are classified into five Hazard Risk Categories by NFPA 70E, Standard for Electrical Safety in the Workplace which range from category A-C from the findings. This has helped to shed more light on the safety detection and control practices in workplace. This work adopted the incident energy analysis method during the investigation of the FUPRE distribution network. This analysis also showed the effectiveness of FUPRE distribution network in terms of health and safety practices.
配电网电弧闪络安全检测
本文旨在调查围绕联邦石油资源大学Effurun (FUPRE)分销网络的安全问题,以及管理层为确保所有员工的健康和安全问题得到保护而采取的措施。采用直接观测法采集数据,采用ETAP对系统进行分析。结果表明,行政区总故障电流最大,电弧值为11.197 A,螺栓故障电流为15.490 A;理学院次之,电弧值为9.460 A,螺栓故障电流为13.106 A。母线1的电弧值最低,为0.735A,锚固故障为0.735A,但入射能量最高,为6.180 cal/cm2,其次是行政区,入射能量为2.868,卫生中心和宿舍的入射能量最低,分别为0.194 cal/cm2和0.196 cal/cm2。根据NFPA 70E,工作场所电气安全标准,电弧闪光危险分为五个危险类别,范围从A-C类。这有助于进一步了解工作场所的安全检测和控制措施。在对FUPRE配电网的调查中,本文采用了入射能量分析方法。这一分析还表明,就健康和安全做法而言,富预分发网络是有效的。
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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