Test procedure for the determination of the temperature index of enamelled winding wires (IEC 60172:1987 + A1:1997 + A2:2010); German version EN 60172:1994 + A1:1998 + A2:2010— 26 стр.
Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests (IEC 61558-1:2005 + A1:2009) (english version)
Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material (IEC 60216-5:2008) (english version)
Guide for the determination of thermal endurance properties of electrical insulating materials. Part 1: General guidelines for ageing procedures and evaluation of test results— 51 стр.
