750kV CVT中间变压器介损试验分析  

Dielectric Loss Test and Analysis of 750 kV CVT Intermediate Transformer

作　　者：毛琛琳[1] 张四江[1] 谭彦民[1] 

机构地区：[1]陕西电力科学研究院,西安710054

出　　处：《高压电器》2011年第10期60-62,68,共4页High Voltage Apparatus

摘　　要：介绍了750 kV CVT中间变压器现场介损试验的现场测试情况,分析了试验数据超标的原因及按照规程中规定的介损标准进行设备绝缘状态判定的难度,并提出了下一步如何在现场进行交接试验判断CVT电磁单元绝缘状况的建议。Field dielectric loss test of 750 kV CVT intermediate transformer is introduced;the reason why the test data exceed criterion is analyzed;the difficulty in evaluation of equipment insulation status in accordance with the dielectric loss values from the related regulations and standards is discussed,and an suggestion for insulation judgment of CVT electromagnetic unit through field handover test is offered.

关 键 词：CVT 电磁单元 介损 

分 类 号：TM451[电气工程—电器]