A METHOD OF TEMPERATURE-RISE ASSESSMENT BY EXTRAPOLATION FOR PARTIALLY TYPE-TESTED ASSEMBLIES (PTTA) OF LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR.
通过外推对低压开关设备和控制设备的部分型式试验组件（PTTA）进行温升评估的方法

1999-10-30

A method of temperature-rise assessment by extrapolation for partially type-test assemblies (PTTA) of low-voltage switchgear and controlgear (IEC 60890, Ed. 1.0 (1987) MOD)
低压开关设备和控制设备部分型式试验组件（PTTA）的外推温升评估方法（IEC 60890 Ed.1.0（1987）MOD）

2009-11-11

A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear (IEC 60890:1987 + Corrigendum 1988 + A1:1995); German version HD 528 S2:1997
低压开关设备和控制设备的部分型式试验组件（PTTA）的外推温升评估方法（IEC 60890-1987+勘误表1988+A1-1995）；德文版HD 528 S2:1997

1997-11-01