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Power transformers - Part 19 - 1: Rules for the determination of uncertainties in the measurement of the losses of power transformers
(Transformateurs de puissance - Partie 19-1: Regles pour la determination des incertitudes de mesure des pertes des transformateurs de puissance)
Standard published on 23.5.2023
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Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
(Transformateurs de puissance - Partie 19: Regles pour la determination des incertitudes de mesure des pertes des transformateurs de puissance et bobines d´inductance)
Standard published on 22.3.2013
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Power transformers - Part 2: Temperature rise for liquid-immersed transformers
(Transformateurs de puissance - Partie 2: Echauffement des transformateurs immerges dans le liquide)
Standard published on 23.2.2011
Selected format:Power transformers - Part 20: Energy efficiency
Standard published on 30.1.2017
Selected format:Corrigendum 1 - Power transformers - Part 20: Energy efficiency
Correction published on 12.1.2018
Selected format:Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
Standard published on 7.12.2018
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Power transformers - Part 22-1: Power transformer and reactor fittings - Protective devices
(Transformateurs de puissance - Partie 22-1: Accessoires pour transformateurs de puissance et bobines d´inductance - Dispositifs de protection)
Standard published on 29.1.2019
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Power transformers - Part 22-2: Power transformer and reactor fittings - Removable radiators
(Transformateurs de puissance - Partie 22-2: Accessoires pour transformateurs de puissance et bobines d´inductance – Radiateurs detachables)
Standard published on 16.1.2019
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Power transformers - Part 22-3: Power transformer and reactor fittings - Insulating liquid to air heat exchangers
(Transformateurs de puissance - Partie 22-3: Accessoires pour transformateurs de puissance et bobines d’inductance - Aerorefrigerants)
Standard published on 8.3.2019
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Power transformers - Part 22-4: Power transformer and reactor fittings - Insulating liquid to water heat exchangers
(Transformateurs de puissance - Partie 22-4: Accessoires pour transformateurs de puissance et bobines d’inductance - Hydrorefrigerants)
Standard published on 8.3.2019
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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