大型变压器铁心接地故障的综合判断与现场处理

Comprehensive Judgement and Field Treatment of CoreEarth Fault in Large Transformer

对变压器铁心接地故障的原因和特征进行了叙述和分析,介绍了现场几种常见的查找和处理故障的做法,提出了预防此类故障的措施。

The reasons and characteristics of the core earth fault in transformers are discussed andanalyzed. Several methods to check and treat the faults in field are presented. The measures toprevent the faults are given.