DIN EN 62231-2007
交流电压>1000V并<245kV变电站用复合固定柱形绝缘子.定义、试验方法和验收标准
Composite station post insulators for substations with a.c. voltages greater than 1 000 V up to 245 kV - Definitions, test methods and acceptance criteria (IEC 62231:2006); German version EN 62231:2006