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A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Power transformers - Part 12: Loading guide for dry-type power transformers
Power transformers - Part 13: Self-protected liquid-filled transformers
Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
Power transformers - Part 15: Gas-filled power transformers
Power transformers - Part 18: Measurement of frequency response
Power transformers - Part 19 - 1: Rules for the determination of uncertainties in the measurement of the losses of power transformers
Power transformers - Part 2: Temperature rise for liquid-immersed transformers
Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
Power transformers - Part 22-2: Power transformer and reactor fittings - Removable radiators
Power transformers - Part 22-3: Power transformer and reactor fittings - Insulating liquid to air heat exchangers
Power transformers - Part 22-4: Power transformer and reactor fittings - Insulating liquid to water heat exchangers
Power transformers - Part 22-5: Power transformer and reactor fittings - Electric pumps for transformers
Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks
Power transformers - Part 24: Specification of voltage regulating distribution transformers (VRDT)
Power transformers - Part 25: Neutral grounding resistors
Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors
Power transformers - Part 5: Ability to withstand short circuit
Power transformers - Part 6: Reactors
Power transformers - Part 8: Application guide
Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers
Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers
Railway applications - Electric equipment for rolling stock - Part 5: Electrotechnical components - Rules for HV fuses
Explosive atmospheres - Part 0: Equipment - General requirements