CVT油箱发热缺陷的分析与处理

Analysis and Treatment on the Defect of CVT Tank Heating

针对几起电容式电压互感器(CVT)油箱发热缺陷,通过分析CVT油箱的内部结构、中间变压器的工作特性与原理,并结合现场特征,查找油箱发热具体原因。针对此类缺陷提出改进措施及建议,以杜绝此类缺陷的再次发生,保证电网的安全运行。

In view of the defect of fuel tank heating in capacitor voltage transformer（CVT）,the internal structure of the CVT fuel tank,the operational characteristics and principles of intermediate transformer are analyzed,combined with the on-site characteristics,the specific reasons for the heating of fuel tank are found out.The improvement measures and suggestions are put forward to prevent the recurrence of such defect and ensure the safe operation of the power grid.