摘要
介绍了25 000 kVA电力变压器的事故经过,通过计算油中气体增量,利用改进三比值法对主变次生故障进行判定与分析,制定对应的修复与改进措施并实施。
The article describes the process of accident of 25 000 kVA power t^ansformer, determines and analyzes the secondary failure of the main transformer by using improved Three - Ratio method, works out and implements the corresponding rectifying and corrective measures.
出处
《宽厚板》
2009年第5期35-37,共3页
Wide and Heavy Plate
关键词
电力变压器
DGA
次生故障
分析
修复
Power transformer, DGA,Secondary failure, Analysis, Repair