Method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA)
部分型式试验组件（PTTA）的短路耐受强度评估方法

1994-07-15

Low-voltage switchgear and controlgear assemblies; a method for assessing the short-circuit withstand strength of partially typetested assemblies (PTTA); identical with report IEC 61117:1992
低压开关设备和控制设备组件；评估部分型式试验组件（PTTA）短路耐受强度的方法；与IEC 61117:1992报告相同

1993-09-01