220kV变压器绕组匝绝缘与油道的配合应用  

Application of Winding Turn Insulation Cooperated with Oil Duct in 220kV Transformer

作　　者：罗青林[1] 王建[1] 罗清顺 

机构地区：[1]特变电工沈阳变压器集团有限公司,辽宁沈阳110144 [2]锦州万仕特种变压器有限公司,辽宁锦州121221

出　　处：《变压器》2014年第1期21-24,共4页Transformer

摘　　要：介绍了220kV变压器绕组通过匝绝缘与油道的配合来降低绕组的匝绝缘尺寸,分析了梯度电压与匝绝缘和油道尺寸的关系曲线,计算了线饼间的复合电场分布情况。The method of reducing the winding turn insulation sizes of 220kV transformer by cooperating with turn insulation and oil duct is introduced. The relation curve of gra- dient voltage, turn insulation and oil duct sizes is analysed. The electric field distribution of disc is calculated.

关 键 词：匝绝缘 油道 梯度 

分 类 号：TM855.1[电气工程—高电压与绝缘技术]