GB/T 20840.9-2017
Instrument transformers—Part 9:Digital interface for instruments transformers
GB/T 22071.1-2018
Test guide for instrument transformers—Part 1:Current transformers
GB/T 2900.94-2015
Electrotechnical terminology—Instrument transformers
GB/T 20840.4-2015
Instrument transformers—Part 4:Additional requirements for combined transformers
GB/T 20840.2-2014
Instrument transformers—Part 2:Additional requirements for current transformers
GB/T 20840.103-2020
Instrument transformers—Part 103:The use of instrument transformers for power quality measurement
GB/T 20840.8-2007
Instrument transformers—Part 8:Electronic current transformers
GB/T 20840.14-2022
Instrument transformers—Part 14:Additional requirements for current transformers for DC applications
GB/T 20840.6-2017
Instrument transformers—Part 6:Additional general requirements for low-power instrument transformers
GB/T 20840.7-2007
Instrument transformers - Part 7: Electronic voltage transformers
JJG 1189.3-2022
Instrument Transformers—Part 3:Current Transformers in Power System
JJG 1176-2021
Harmonic Current Transformers
DL/T 866-2015
Code for selection and calculation of current transformer and voltage transformer
TB/T 3393.1-2023
JJG 1189.4-2022
Instrument Transformers—Part 4:Voltage Transformers in Power System
JJG 1021-2007
Instrument Transformers in Power System
JB/T 5472-2022
JJF 1701.4-2019
Program of Pattern Evaluation of Instrument Transformers—Part 4:Current Transformers
TB/T 3393.1-2015
High-voltage transformer on board rolling stock-Part 1:Current transformer
JB/T 7068-2015
Metal expanders for instrument transformers