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Power transformers - Part 22-2: Power transformer and reactor fittings - Removable radiators
60.60 Standard published
Power transformers - Part 22-3: Power transformer and reactor fittings - Insulating liquid to air heat exchangers
60.60 Standard published
Power transformers - Part 22-4: Power transformer and reactor fittings - Insulating liquid to water heat exchangers
60.60 Standard published
Power transformers - Part 22-5: Power transformer and reactor fittings - Electric pumps for transformers
60.60 Standard published
Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers
60.60 Standard published
Corrigendum 1 - Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
60.60 Standard published
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
60.60 Standard published
Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks
60.60 Standard published
Power transformers - Part 24: Specification of voltage regulating distribution transformers (VRDT)
60.60 Standard published
Power transformers - Part 25: Neutral grounding resistors
60.60 Standard published
Power transformers - Part 2: Temperature rise for liquid-immersed transformers
30.99 CD approved for registration as DIS
Amendment 1 - Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
60.60 Standard published
Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
60.60 Standard published
Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
60.60 Standard published
POWER TRANSFORMERS – Part 4: Lightning impulse and switching impulse tests of power transformers and reactors</br>
40.60 Close of voting
Power transformers - Part 5: Ability to withstand short circuit
60.60 Standard published
Power transformers - Part 5: Ability to withstand short circuit
30.60 Close of voting/ comment period