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ACCURACY EVALUATION OF IEEE MODEL FOR DISTRIBUTION CLASS METAL OXIDE SURGE ARRESTER

机译:分布级金属氧化物电涌避雷器IEEE模型的准确性评价

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Metal oxide surge arresters (MOSA) are widely used as protective devices against switching and lightning over-voltages in electrical power systems. Appropriate modeling of their dynamic characteristics is very important for insulation coordination, arrester location and energy absorption studies. Working group 3.4.11 of IEEE has recommended a model that can be used in the range of current surge wave front time 0.5 to 45 μsec. This model has developed mainly for Substation class Surge arresters. In this paper the model applied for a distribution class arrester and validity of accuracy has compared with laboratory test results.
机译:金属氧化物浪涌避雷器(MOSA)广泛用作防止电力系统中的开关和雷电过电压的保护装置。适当的模型它们的动态特性对于绝缘配位,避雷器位置和能量吸收研究非常重要。 3.4.11 IEEE的第3.4.11版推荐了一种模型,可在电流浪潮前时间0.5至45微秒的范围内使用。该模型主要开发用于变电站级避雷器。在本文中,与实验室测试结果相比,应用于分配类避雷器的模型和准确性的有效性。

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