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Code of China
Chinese National Standard List: Transformer

GB/T 20840.14-2022 Instrument transformers―Part 14:Additional requirements for current transformers for DC applications 
  Issued on: 2022-10-12   Translation Price(USD): 675.0
GB/T 20840.15-2022 Instrument transformers―Part15:Additional requirements for voltage transformers for DC applications 
  Issued on: 2022-10-12   Translation Price(USD): 555.0
GB/T 1094.10-2022 Power transformers— Part 10：Determination of sound levels 
  Issued on: 2022-10-12   Translation Price(USD): 750.0
T/EPTC 002-2022 Technical Specification of 10 kV intelligent distribution transformer 
  Issued on: 2022-12-27   Translation Price(USD):
DL/T 2503-2022 Guide for transformer DC bias test during monopolar operation of HVDC system with ground return 
  Issued on: 2022-05-13   Translation Price(USD): 195.0
DL/T 2486-2022 Test guide for induced oscillating switching impulse voltage withstand of power transformer 
  Issued on: 2022-05-13   Translation Price(USD): 400.0
DL/T 2485-2022 Selection guide for the de-energized tap-changer of power transformers 
  Issued on: 2022-05-13   Translation Price(USD): 500.0
DL/T 2484-2022 Guide for selection of natural ester insulating oil-immersed power transformers 
  Issued on: 2022-05-13   Translation Price(USD): 500.0
DL/T 271-2022 Technical specification of 330kV~750kV oil immersed shunt-reactor 
  Issued on: 2022-05-13   Translation Price(USD): 600.0
GB/T 18494.2-2022 Convertor transformers—Part 2: Transformers for HVDC applications 
  Issued on: 2022-03-09   Translation Price(USD): 615.0
GB/T 1094.14-2022 Power transformers—Part 14: Liquid-immersed power transformer using high-temperature insulation materials  
  Issued on: 2022-03-09   Translation Price(USD): 720.0
GB/T 1094.11-2022 Power transformers—Part 11: Dry-type transformers 
  Issued on: 2022-03-09   Translation Price(USD): 720.0
GB/T 21419-2021 Transformers, power supplies, reactors and similar products—EMC requirements  
  Issued on: 2021-12-31   Translation Price(USD): 345.0
GB/T 41135.2-2021 Current and voltage sensors or detectors,to be used for fault passage indication purposes―Part 2:System aspects 
  Issued on: 2021-12-31   Translation Price(USD): 675.0
GB/T 41135.1-2021 Current and voltage sensors or detectors,to be used for fault passage indication purposes―Part 1:General principles and requirements 
  Issued on: 2021-12-31   Translation Price(USD): 930.0
DL/T 1694.9-2021 Calibration specification for high voltage test instruments—Part 9: Power transformer no-load and load loss tester 
  Issued on: 2021-12-22   Translation Price(USD): 600.0
DL/T 1102-2021 The code of distribution transformer operation 
  Issued on: 2021-12-22   Translation Price(USD): 600.0
DL/T 2292-2021 Guide for verifying short-circuit withstand capability of power transformers 
  Issued on: 2021-04-26   Translation Price(USD): 400.0
DL/T 2293-2021 Field test guide for no-load loss and load loss of power transformer 
  Issued on: 2021-04-26   Translation Price(USD): 400.0
DL/T 574-2021 Guide for the operation and maintenance of tap-chargers in the power transformer  
  Issued on: 2021-04-26   Translation Price(USD): 2280.0
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