Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications— 32 стр.
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications— 29 стр.
Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) – Part 1: Wire-wound winding EIS (IEC 61858-1:2014) (english version)
Electrical insulation systems - Procedures for thermal evaluation -- Part 31: Applications with a designed life of 5 000 h or less (IEC 61857-31:2017) (english version)
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications— 29 стр.
