修改版-气体中的沿面放电

1、高电压技术高电压技术HV & EMC Laboratory North China Electric Power University第六节第六节 气体电介质中的沿面放电气体电介质中的沿面放电HV & EMC Laboratory North China Electric Power University可能发生沿面放电的电气设备可能发生沿面放电的电气设备HV & EMC Laboratory North China Electric Power University可能发生沿面放电的电气设备可能发生沿面放电的电气设备HV & EMC Laboratory No

2、rth China Electric Power University可能发生沿面放电的电气设备可能发生沿面放电的电气设备HV & EMC Laboratory North China Electric Power University HV & EMC Laboratory North China Electric Power University二、二、HV & EMC Laboratory North China Electric Power University二、二、HV & EMC Laboratory North China Electric Po

3、wer University三、三、HV & EMC Laboratory North China Electric Power University三、三、HV & EMC Laboratory North China Electric Power University三、三、HV & EMC Laboratory North China Electric Power University四、四、HV & EMC Laboratory North China Electric Power UniversityHV & EMC Laboratory No

4、rth China Electric Power University1）电场的影响）电场的影响HV & EMC Laboratory North China Electric Power University3）大气条件的影响）大气条件的影响HV & EMC Laboratory North China Electric Power University4） 介质表面状况的影响污闪介质表面状况的影响污闪HV & EMC Laboratory North China Electric Power University4） 介质表面状况的介质表面状况的影响污闪影响污闪HV

5、 & EMC Laboratory North China Electric Power University4） 介质表介质表面状况的影响面状况的影响污闪污闪HV & EMC Laboratory North China Electric Power University六、提高沿面闪络电压的方法六、提高沿面闪络电压的方法l1 屏障屏障l2 屏蔽屏蔽l3 表面处理：涂使用憎水性涂料表面处理：涂使用憎水性涂料l4 应用半导体涂料应用半导体涂料l5 强制固定固体电介质表面电位强制固定固体电介质表面电位l6 附加金具附加金具l7 阻抗调节阻抗调节HV & EMC Labor

6、atory North China Electric Power University屏障：固体在电场等位面方向突出的棱屏障：固体在电场等位面方向突出的棱HV & EMC Laboratory North China Electric Power University屏蔽：改善电极形状使电场较均匀屏蔽：改善电极形状使电场较均匀HV & EMC Laboratory North China Electric Power University应用半导体涂层应用半导体涂层HV & EMC Laboratory North China Electric Power University强