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Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers (Endorsed by Asociación Espanola de Normalización in May of 2021.)
Available languages: English
Available design: electronic design (pdf), Print design
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
Available languages: English, Spanish
Available design: electronic design (pdf)
Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks (Endorsed by Asociación Espanola de Normalización in October of 2021.)
Available languages: English
Available design: electronic design (pdf), Print design
Power transformers - Part 24: Specification of Voltage Regulating Distribution Transformers (VRDT)
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Power transformers - Part 25: Neutral grounding resistors
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Power transformers -- Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
Available languages: English, Spanish
Available design: electronic design (pdf), Print design
Power transformers -- Part 5: Ability to withstand short-circuit
Available languages: English, Spanish
Available design: electronic design (pdf), Print design