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首页> 外文期刊>Electric power systems research >Flashover improvement of polluted high voltage insulators by nonlinear nanofilled hydrophobic coating
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Flashover improvement of polluted high voltage insulators by nonlinear nanofilled hydrophobic coating

机译：非线性纳米填充疏水涂层改善受污染高压绝缘子的闪络

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In this paper, a model for computing the dry band arcing voltage is proposed and verified by experiments on glass specimens coated with the nanofilled material with different characteristics. Such coating is to increase the dry band arcing voltage which leads to a better flashover performance of high voltage insulators. Then, a simple technique to enhance the flashover performance of high voltage insulators is presented. The proposed technique depends on coating only the insulator metal cap and pin. Studying the effect of RTV silicone rubber for metal cap and pin coating is presented and about 200% (on average) flashover performance improvement is achieved. Enhancing the cap and pin coating with a thin layer of the nonlinear nanofilled material, the flashover performance is improved by about 235% (on average). Finally, a model based on developing Obenaus's model for computing the flashover voltage is proposed. A good agreement between experimental and model results is achieved. (C) 2016 Elsevier B.V. All rights reserved.
机译：本文提出了一种计算干带电弧电压的模型，并通过对涂覆有不同特性的纳米填充材料的玻璃样品进行了实验验证。这种涂层是为了增加干带电弧电压，从而导致高压绝缘子具有更好的闪络性能。然后，提出了一种增强高压绝缘子闪络性能的简单技术。所提出的技术仅依赖于绝缘子的金属帽和引脚。研究了RTV硅橡胶对金属盖和销钉涂层的作用，并实现了约200％（平均）的闪络性能改善。通过用非线性纳米填充材料的薄层增强帽盖和引脚涂层，闪络性能提高了约235％（平均）。最后，提出了一种基于奥伯纳斯模型的计算闪络电压的模型。实验结果与模型结果之间取得了良好的一致性。 （C）2016 Elsevier B.V.保留所有权利。

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