Methods for Evaluating DC Arc-Flash Incident Energy in Battery Energy Storage Systems

2023 IEEE IAS Electrical Safety Workshop (ESW) Pub Date : 2023-03-13 DOI:10.1109/ESW49992.2023.10188335

Albert Marroquin, Terry McKinch

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Abstract

Renewable energy systems continue to be one of the fastest growing segments of the energy industry. This paper focuses on the understanding of how energy storage technology behaves under direct current (dc) arc conditions. Because of the fast proliferation of renewable energy systems and the lack of formal dc equivalent calculation guidelines such as IEEE 1584 for alternating current (ac) systems, it has been necessary to rely on different equations and models presented by various researchers when calculating arc-flash (AF) incident energy (IE) for dc systems. This paper discusses the behavior of energy storage systems under arcing conditions and presents the results of available methods to estimate the dc arc-flash incident energy. This paper provides a comparative analysis of a proposed arc-flash incident energy calculation method against available laboratory tests. Explanations are provided regarding the effect the various types of batteries may have under short-circuit (SC) and arcing conditions. Comparisons of the proposed calculation method simulation results and laboratory dc arc test measurements are included.

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蓄电池储能系统中直流电弧闪光入射能量的评估方法

可再生能源系统仍然是能源工业中增长最快的部分之一。本文的重点是了解储能技术在直流电弧条件下的性能。由于可再生能源系统的快速发展和缺乏正式的直流等效计算指南，如IEEE 1584交流(ac)系统，在计算直流系统电弧闪光入射能量(IE)时，有必要依赖不同研究人员提出的不同方程和模型。本文讨论了电弧条件下储能系统的行为，并给出了估算直流电弧闪光入射能量的现有方法的结果。本文将提出的电弧闪光入射能量计算方法与现有实验室试验结果进行了对比分析。说明了各种类型的电池在短路(SC)和电弧条件下可能产生的影响。并将所提出的计算方法的仿真结果与实验室直流电弧试验结果进行了比较。

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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来源期刊

2023 IEEE IAS Electrical Safety Workshop (ESW)

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