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首页> 外文会议>International Conference on Lightning Protection >Effects of Air Humidity on the Performance of a Polymer Insulator under Lightning Induced Voltage Conditions
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Effects of Air Humidity on the Performance of a Polymer Insulator under Lightning Induced Voltage Conditions

机译：空气湿度对雷电诱导电压条件下聚合物绝缘子性能的影响

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Lightning induced voltage is one of the important issues pertinent to line interruptions in distribution lines.The behaviour of a polymer insulator under different weather conditions may affect the overall stability of a power flow in the line. In this paper, the lightning induced voltage due to a typical sample of return stroke current on a distribution line has been investigated, and the electrical behaviour of a polymer insulator (10 kV) under different air humidity conditions was analysed in detail. The results show that the air humidity has a direct effect on the electrical performance of a polymer insulator under lightning induced voltage conditions, which reduces the reliability of the system. Therefore, in designing new distribution lines and in modifying existing lines, various safety and protection parameters such as determining the critical distances around the distribution lines where lightning induced over voltage (LIOV) may occur, the humidity of air should be treated as an essential input parameter. Thus, the field propagation along an insulator based on recorded local information (weather conditions) can be helpful and should be taken into account in taking protection measures.
机译：雷电感应电压是与分配线中断的重要问题之一。聚合物绝缘体在不同天气条件下的行为可能影响线路中功率流的整体稳定性。本文研究了在分配线上的典型返回行程电流样品引起的雷电感应电压，详细分析了不同空气湿度条件下的聚合物绝缘体（10kV）的电能。结果表明，空气湿度对雷电感应电压条件下的聚合物绝缘体的电性能直接影响，这降低了系统的可靠性。因此，在设计新的分销线和修改现有线路时，可能发生各种安全和保护参数，例如确定闪电围绕过电压（LIOV）的分配线周围的临界距离，空气的湿度应被视为基本输入范围。因此，基于记录的本地信息（天气条件）沿着绝缘体的场传播可以有所帮助，并且应该考虑到采取保护措施。

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