Standard:
DIN EN 62231-1 VDE 0674-7-1:2016-08Composite station post insulators for substations with AC voltages greater than 1 000 V up to 245 kV Part 1: Dimensional, mechanical and electrical characteristics |
Standard:
DIN EN 62231 VDE 0674-7:2007-07Composite station post insulators for substations with a.c. voltages greater than 1 000 V up to 245 kV Definitions, test methods and acceptance criteria |