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.
1998年底阳泉地区发生线路绝缘子覆冰闪络故障，对线路安全运行造成了威胁。
The running safety of line was threatened by insulator sleet covering flashover derault of line at the late of 1998.
本文研究了复杂背景下绝缘子图像的分割方法，为进一步的故障诊断奠定了基础。
This research mainly adopts image segmentation technique for insulator extraction under complicated background and the segmentation results lays the foundation for the fault diagnosis further.
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