关于污秽条件的绝缘子选择指南

[中文适用范围]： 本指南主要适用于525 kV（相间）以下的三相系统。适用于交流系统中使用的以下类型的户外陶瓷和玻璃绝缘子：长棒和牵引线绝缘子；帽和针绝缘体；底座型 [外文原描述]： Is mainly applicable to three-phase systems up to 525 kV (phase-to-phase). This guide is applicable to outdoor ceramic and glass insulators, used in a.c. systems, of the following types: - long-rod and traction line insulator; - cap and pin insulator; - pedestal type post and rigid pin insulator; - substation and line post insulator; - hollow insulator; - bushing.