GB/T 19212.20-2008

GB/Z 34935-2017 Technical specifications for oil-immersed smart power transformers GB/Z 20840.100-2023 Instrument transformers—Part 100： Guidance for application of current transformers in power system protection GB/T 9367-1988 General specification of flyback transformers for color broadcasting TV receivers GB/T 14006-1992 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment--Part 1:Transformers and inductors using YEI-1 laminations GB/T 2900.15-1997 Electrotechnical terminology--Transformer，instrument transformer，voltage regulator and reactor GB/T 14006.3-1997 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment--Part 3:Transformers and inductors using YUI-1 laminations GB/T 14006.2-1997 Outline dimemsions of transformers and inductors for use in telecommunication and electronic equipmemt--Part 2:Transformers and inductors using YEx-2 laminations for printed wiring boardmounting GB/T 8554-1998 Transformers and inductors for use in electronic and telecommunication equipment--Measuring methodsand test procedures