研究了覆冰桥接时冰棱的长度对覆冰合成绝缘子电场和电位分布的影响，以及空气间隙在覆冰合成绝缘子外沿所处的位置不同对电场和电位分布的影响。
The author researches the influence of the length of icicle in ice bridge connection and the position of air gap in the composite insulators to the distribution of electrical field and potential.
介绍了故障绝缘子轴向电场分布的计算结果和特点，并给出了实验室检测试验的结果。
The calculation result and the characteristics of the axial electric field distribution of the faulted insulator are described. Testing results at laboratory are given.
本文研究结果认为，红外成像法和电场分布测量法是可用于实际输电线路的劣化绝缘子检测。
This study concludes that the infrared imaging method and the electric field distribution measurement method could be used for detecting faulty insulators of the transmission line.
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