受槽放电影响的定子棒的地壁铠装修复

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995983

C. Hudon, M. Bélec, C. Guddemi, S. Lamothe, S. Nguyen, D. Nguyen

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引用次数: 3

摘要

在控制良好的实验室条件下再现了槽状放电。然后通过通风管道沿杆的一侧注入半导电涂料，而不移除杆或径向楔。局部放电测量表明，在6块中有5块槽放电完全消失，在最后一块槽放电明显减少。最后一根栏杆的横向间隙很紧，因此油漆不容易渗透和修复受损区域。给出了局部放电的结果、地面观测结果以及关于该校正的注意事项和有效性的结论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Restoration of ground-wall armor of stator bars exposed to slot discharges

Slot discharges have been reproduced under well controlled laboratory conditions. Semi-conductive paint was then injected through the ventilation ducts along the side of the bars, without removing the bars or the radial wedges. Partial discharge measurements showed that the slot discharge had completely disappeared from 5 out of the 6 bars, and considerably reduced on the last bar. This last bar was one with tight lateral clearance, thus the paint could not easily infiltrate and restore the damaged area. Partial discharge results, surface observations and a conclusion with respect to the precautions and effectiveness of this correction are presented.

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Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316)

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