2025-12-15 10.1.14.108
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Code of China
Chinese National Standard List: Transformer

GB/T 10230.2-2025 Tap-changers - Part 2: Application guidelines 
  Issued on: 2025-10-31   Translation Price(USD): 930.0
GB/T 20840.10-2025 Instrument transformers—Part 10：Additional requirements for low-power passive current transformers 
  Issued on: 2025-01-24   Translation Price(USD): 645.0
T/CEC 1125-2025 Technical specification for series oil-immersed transformer of unified power flow controller 
  Issued on: 2025-03-04   Translation Price(USD):
T/CEC 1124-2025 Guide for applied voltage test with partial discharge measurements on oil-immersed series transformer of unified power flow controller 
  Issued on: 2025-03-04   Translation Price(USD):
T/CEC 1073-2025 Greenhouse gases—Quantification methods and requirements for carbon footprint of power equipment products—Transformers（Product category rules） 
  Issued on: 2025-03-04   Translation Price(USD):
GB/T 1094.7-2024 Power transformers—Part 7: Loading guide for mineral-oil-immersed power transformers 
  Issued on: 2024-11-28   Translation Price(USD): 1200.0
DB37/T 4794-2024 Technical specification for condition based maintenance strategy of natural ester insulating oil-immersed power transformers 
  Issued on: 2024-12-30   Translation Price(USD):
DB37/T 4793-2024 Technical specification for hand-over test of natural ester insulating oil-immersed power transformers 
  Issued on: 2024-12-30   Translation Price(USD):
GB/Z 20840.100-2023 Instrument transformers—Part 100： Guidance for application of current transformers in power system protection 
  Issued on: 2023-12-28   Translation Price(USD): 1395.0
DL/T 2639-2023 Test method for integrated wiring of equipment in substation intervals 
  Issued on: 2023-10-11   Translation Price(USD): 2625.0
DL/T 1268-2023 Technical specification for three-phase combined power instrument transformers 
  Issued on: 2023-10-11   Translation Price(USD): 315.0
NB/T 11306-2023 Filter reactor for HVDC transmission system 
  Issued on: 2023-10-11   Translation Price(USD): 375.0
GB/T 6451-2023 Technical parameters and requirements for oil-immersed power transformers 
  Issued on: 2023-9-7   Translation Price(USD): 1170.0
GB/T 19212.1-2023 Safety of transformers, reactors, power supply units and combinations thereof—Part 1: General requirements and tests 
  Issued on: 2023-9-7   Translation Price(USD): 1995.0
GB/T 10228-2023 Technical parameters and requirements for dry-type power transformers  
  Issued on: 2023-05-23   Translation Price(USD): 255.0
DL/T 267-2023 Specification of oil-immersed and hermetically sealed wound core distribution transformer 
  Issued on: 2023-5-26   Translation Price(USD): 285.0
DL/T 2599.1-2023 Selection guidelines for components and raw materials of power transformers-Part 1: General 
  Issued on: 2023-5-26   Translation Price(USD): 255.0
GB/T 1094.101-2023 Power transformers―Part 101:Determination of sound levels―Application guide 
  Issued on: 2023-03-17   Translation Price(USD): 555.0
GB/T 18494.3-2023 Converter transformers―Part 3:Application guide 
  Issued on: 2023-03-17   Translation Price(USD): 1210.0
JJG(京)3025-2023 Verification Regulation of Diaphragm Gas Meters with Electronic Temperature and Pressure Compensation 
  Issued on: 2023-06-01   Translation Price(USD):
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