Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
(Transformateurs de puissance - Partie 3: Niveaux d´isolement, essais dielectriques et distances d´isolement dans l´air)

Standard published on 22.3.2018

Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors
(Transformateurs de puissance - Partie 4: Essais au choc de foudre et au choc de manouvre des transformateurs de puissance et bobines d´inductance)

Standard published on 9.7.2026

Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors

Standard published on 9.7.2026

Power transformers - Part 5: Ability to withstand short circuit
(Transformateurs de puissance - Partie 5: Tenue au court-circuit)

Standard published on 7.2.2006

Power transformers - Part 57-1202: Liquid immersed phase-shifting transformers
(Transformateurs de puissance - Partie 57-1202: Transformateurs dephaseurs immerges dans un liquide)

Standard published on 23.5.2017

Power transformers - Part 57-129: Transformers for HVDC applications

Standard published on 9.11.2017

Power transformers - Part 6: Reactors
(Transformateurs de puissance - Partie 6: Bobines d´inductance)

Standard published on 13.12.2007

Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers

Standard published on 12.1.2018

Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers

Standard published on 12.1.2018

Power transformers - Part 8: Application guide
(Transformateurs de puissance - Partie 8: Guide d´application)

Standard published on 1.10.1997