2025-4-24 18.97.14.87
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Code of China
Chinese National Standard List: Transformer

Q/GDW 149-2006 General speciflcation for dry-type smoothing reactors of±800KV UHVDC systen 
  Issued on:   Price(USD): 300.0
GB 6451.5-1986 Specification and Technical requirements for three phase oil immersed power transformers 220kv 
  Issued on:   Price(USD): 340.0
JB/T 8639-1997  
  Issued on: 1997-09-05   Price(USD): 180.0
JB/T 5356-1991  
  Issued on:   Price(USD): 204.0
Q/GDW 170-2008 Guide for condition based maintenance serategy of oil-immersed power transformers(reactors) 
  Issued on:   Price(USD): 180.0
GB/Z 20840.100-2023 Instrument transformers—Part 100： Guidance for application of current transformers in power system protection 
  Issued on: 2023-12-28   Price(USD): 1395.0
NB/T 11306-2023 Filter reactor for HVDC transmission system 
  Issued on: 2023-10-11   Price(USD): 375.0
DL/T 2639-2023 Test method for integrated wiring of equipment in substation intervals 
  Issued on: 2023-10-11   Price(USD): 2625.0
DL/T 1268-2023 Technical specification for three-phase combined power instrument transformers 
  Issued on: 2023-10-11   Price(USD): 315.0
GB/T 6451-2023 Technical parameters and requirements for oil-immersed power transformers 
  Issued on: 2023-9-7   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   Price(USD): 1995.0
GB/T 10228-2023 Technical parameters and requirements for dry-type power transformers  
  Issued on: 2023-05-23   Price(USD): 255.0
DL/T 2599.1-2023 Selection guidelines for components and raw materials of power transformers-Part 1: General 
  Issued on: 2023-5-26   Price(USD): 255.0
DL/T 267-2023 Specification of oil-immersed and hermetically sealed wound core distribution transformer 
  Issued on: 2023-5-26   Price(USD): 285.0
GB/T 18494.3-2023 Converter transformers―Part 3:Application guide 
  Issued on: 2023-03-17   Price(USD): 1210.0
GB/T 1094.101-2023 Power transformers―Part 101:Determination of sound levels―Application guide 
  Issued on: 2023-03-17   Price(USD): 555.0
JJG(京)3025-2023 Verification Regulation of Diaphragm Gas Meters with Electronic Temperature and Pressure Compensation 
  Issued on: 2023-06-01   Price(USD):
GB/T 1094.10-2022 Power transformers— Part 10：Determination of sound levels 
  Issued on: 2022-10-12   Price(USD): 750.0
GB/T 20840.15-2022 Instrument transformers―Part15:Additional requirements for voltage transformers for DC applications 
  Issued on: 2022-10-12   Price(USD): 555.0
GB/T 20840.14-2022 Instrument transformers―Part 14:Additional requirements for current transformers for DC applications 
  Issued on: 2022-10-12   Price(USD): 675.0
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