220kV增棠甲线护层故障原因分析及处理

本文介绍了220kV增棠甲线护层故障的分析及处理方法，通过观察故障点外观及对整个电缆接地系统分析，在处理前考虑了电缆不同损坏程度下的处理方法，使检修过程顺利完成。同时对本次故障分析处理过程进行总结，并对工程设计提出了的建议，供业内同行们探讨。

Reason Analysis and Disposal of Fault in the Sheath of 220kV

The article introduces analysis and disposal method of fault in the sheath of 220kV Zenggtang Line A. The examination completed successfully through observing the surface of the location of the fault and analysis on the whole cable grounding system. The disposal method for different cable damage degrees was also considered before disposal. Simultaneously, the article makes a conclusion about the fault analysis and disposal process, and suggestion for engineering design has been put forth for discussion with the peers.