Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines (IEC 60034-18-31:2012) (english version)
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009) (english version)
Guidance for production, testing and diagnostics of polymer insulators with respect to brittle fracture of core materials (IEC/TR 62662:2010) (english version)
Selection and dimensioning of high-voltage insulators intended for use in polluted conditions -- Part 2: Ceramic and glass insulators for a.c. systems (IEC TS 60815-2:2008) (english version)
Hybrid insulators for a.c. and d.c. high-voltage applications – Definitions, test methods and acceptance criteria (IEC/TS 62896:2015) (english version)
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers -- Part 3: Requirements for bushing fixations (english version)
