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Code of China
Chinese National Standard List: Transformer

NB/T 10539-2021 Mining flameproof converter substation 
  Issued on: 2021-01-07   Translation Price(USD): 285.0
GB/T 19212.11-2020 Safety of transformers,reactors,power supply units and combinations thereof—Part 11:Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V 
  Issued on: 2020-12-14   Translation Price(USD): 270.0
GB/T 19212.24-2020 Safety of transformers,reactors,power supply units and combinations thereof—Part 24:Particular requirements and test for transformers and power supply units for construction sites 
  Issued on: 2020-12-14   Translation Price(USD): 315.0
GB/T 23755-2020 Three-phase site-combined power transformer 
  Issued on: 2020-11-19   Translation Price(USD): 315.0
GB/T 23753-2020 Technical parameters and requirements for 110 kV and above oil-immersed shunt reactors 
  Issued on: 2020-11-19   Translation Price(USD): 690.0
GB/T 20840.103-2020 Instrument transformers—Part 103：The use of instrument transformers for power quality measurement 
  Issued on: 2020-03-31   Translation Price(USD): 1300.0
GB/T 20840.102-2020 Instrument transformers—Part 102: Ferroresonance oscillations in substations with inductive voltage transformers 
  Issued on: 2020-03-31   Translation Price(USD): 690.0
GB/T 1094.15-2020 Power transformers—Part 15：Gas-filled power transformers  
  Issued on: 2020-03-31   Translation Price(USD): 370.0
GB/T 1094.23-2019 Power transformers -- Part 23: DC magnetic bias suppression devices 
  Issued on: 2019-12-10   Translation Price(USD): 620.0
GB/T 26217-2019 DC voltage measuring device for HVDC transmission system 
  Issued on: 2019-12-10   Translation Price(USD): 310.0
GB/T 26216.2-2019 DC current measuring device for HVDC transmission system—Part 2:Electromagnetic DC current measuring device 
  Issued on: 2019-12-10   Translation Price(USD): 250.0
GB/T 26216.1-2019 DC current measuring device for HVDC transmission system—Part 1:Electronic DC current measuring device 
  Issued on: 2019-12-10   Translation Price(USD): 250.0
GB/T 17468-2019 Guide for choice power transformers 
  Issued on: 2019-12-10   Translation Price(USD): 690.0
GB/T 10230.1-2019 Tap-changers—Part 1：Performance requirements and test methods 
  Issued on: 2019-12-31   Translation Price(USD): 1200.0
GB/T 19212.17-2019 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V—Part 17: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units 
  Issued on: 2019-10-18   Translation Price(USD): 610.0
GB/T 19212.13-2019 Safety of transformers, reactors, power supply units and combination thereof—Part 13: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage 
  Issued on: 2019-10-18   Translation Price(USD): 310.0
DB37/T 3840-2019 Evaluation standard for green supply chain management—Lead battery manufacturing 
  Issued on: 2019-12-31   Translation Price(USD):
GB/T 37011-2018 Technical specification of transformers for VSC--HVDC applications 
  Issued on: 2018-12-28   Translation Price(USD): 250.0
GB/T 37008-2018 Technical specification of reactors for VSC-HVDC applications 
  Issued on: 2018-12-28   Translation Price(USD): 310.0
GB/T 22072-2018 Specifications and technical requirements for dry-type amorphousalloy core distribution transformers 
  Issued on: 2018-12-28   Translation Price(USD): 160.0
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