高压电机定子绕组主绝缘击穿原因分析  

Reason Analyses on Main Insulation Breakdown of High-Voltage Motor Stator Windings

作　　者：杨姗姗[1] 

机构地区：[1]佳木斯电机股份有限公司,黑龙江佳木斯154002

出　　处：《防爆电机》2015年第6期41-43,共3页Explosion-proof Electric Machine

摘　　要：分析了高压电机定子绕组在试验中出现主绝缘击穿的原因,以及电机长期运行过程中,定子绕组在电流过载,浸漆工艺控制不当,端部放电距离不足、局部放电等因素共同作用下造成的主绝缘故障,并提出了相应的解决措施。This paper analyzes the reason why main insulation breakdown of high-voltage motor stator windings occurs during the test,and why main insulation fault of motor during long time running caused by combined actions such as current overload of stator windings,improper control of immersion paint,insufficient distance of end discharge and partial discharge. Then relevant solutions are proposed.

关 键 词：局部放电 主绝缘击穿 放电距离 气泡 

分 类 号：TM303.4[电气工程—电机]