摘要
通过油色谱分析、直流电阻测试、绕组电容量测量、低电压短路阻抗试验以及变压器绕组变形试验,对1台220kV主变发生近区短路故障后进行了综合试验分析,发现了该变压器低压侧C相绕组存在严重变形故障,这一分析结果得到了主变厂家吊罩检查的映证,该分析方法为变压器短路后试验检测和故障处理提供了有效参考。
A comprehensive testing analysis, including oil chromatographic analysis, DC resistance test, winding capacitance measurement, low voltage short-circuit impedance test and transformer winding deformation test, on a 220 kV transformer＇s nearby short-circuit fault is implemented. Through this analysis, a serious distortion winding fault is found on the low voltage side of the C-phase winding. The finding is proved by hanging hood check. The testing analysis supplies an effective reference to transformer short-circuit testing and troubleshooting.
出处
《江苏电机工程》
2015年第2期21-23,共3页
Jiangsu Electrical Engineering
关键词
变压器
短路故障
油色谱分析
直流电阻
绕组变形
transformer
short-circuit fault
oil chromatographic analysis
DC resistance
winding deformation
作者简介
柯于刚（1980），男，湖北鄂州人，工程师，从事高压电气试验工作；
顾文雯（1985），女，江苏无锡人，工程师，从事电力自动化工作。
