Letter symbols to be used in electrical technology - Part 7: Power generation, transmission and distribution
Power transformers - Part 10: Determination of sound levels
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 18: Measurement of frequency response
Power transformers - Part 1: General
Power transformers - Part 2: Temperature rise for liquid-immersed transformers
Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
Power transformers - Part 5: Ability to withstand short-circuit
Power transformers - Part 6: Reactors
53,361 distinct reference strings indexed from official source snapshots. Includes earlier editions. The index and publisher collections have different coverage. See sources and coverage.