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首页> 外文会议>2016 Down to Earth Conference >Modelling zone-substation-secondary earth fault scenarios with application to compliance with probabilistic safety criteria methods
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Modelling zone-substation-secondary earth fault scenarios with application to compliance with probabilistic safety criteria methods

机译：对区域-变电站-二次接地故障场景进行建模并应用于遵循概率安全准则方法

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摘要

Since the publication of the earthing guideline, ENA EG-0, the electrical industry response has been a mix of enthusiasm, resistance and compulsion to accept and implement the safety criteria methods proposed. In the large part it has been acknowledged as a positive improvement as the most thorough and modern treatment of earthing system risk analysis. While the risk based safety methods proposed in EG-0 appear functional with regard the assessment of substation primary faults, there is little doubt that assessment of Zone-Substation-Secondary risks appear higher than previously thought, particularly when compared to traditional methods. This paper proposes a method of modelling and evaluating a zone substation distribution network in order to better calculate the earthing risk zone substation assets create for individuals living within the influence of the installations. Moreover, the methods proposed give light to a possible solution to the conundrum surrounding any earthing system risk analysis where multiple fault scenarios exist.
机译：自从发布接地规范ENA EG-0以来，电气行业的反应就是热情，抵制和强迫接受并实施建议的安全标准方法。在很大程度上，它被认为是对接地系统风险分析的最彻底，最现代的处理，这是一项积极的进步。尽管在EG-0中提出的基于风险的安全方法在评估变电站的主要故障方面似乎是可行的，但毫无疑问，对区域-变电站-第二风险的评估似乎比以前认为的要高，特别是与传统方法相比。本文提出了一种对区域变电站配电网络进行建模和评估的方法，以便更好地计算为居住在设施影响范围内的个人创造的接地风险区域变电站资产。此外，提出的方法为存在多个故障场景的任何接地系统风险分析周围的难题提供了可能的解决方案。

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