| Title |
Standard No. |
Implemented On |
| General specification for dry-type smoothing reactor of ±800kV HVDC system | Q/GDW 149-2006 | |
| 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 | GB/T 19212.24-2020 | 2021-7-1 |
| Technical parameters and requirements for 110 kV and above oil-immersed shunt reactors | GB/T 23753-2020 | 2021-6-1 |
| Three-phase site-combined power transformer | GB/T 23755-2020 | 2021-6-1 |
| Power transformers -- Part 23: DC magnetic bias suppression devices | GB/T 1094.23-2019 | 2020-7-1 |
| DC voltage measuring device for HVDC transmission system | GB/T 26217-2019 | 2020-7-1 |
| DC current measuring device for HVDC transmission system—Part 2:Electromagnetic DC current measuring device | GB/T 26216.2-2019 | 2020-7-1 |
| DC current measuring device for HVDC transmission system—Part 1:Electronic DC current measuring device | GB/T 26216.1-2019 | 2020-7-1 |
| Evaluation standard for green supply chain management—Lead battery manufacturing | DB37/T 3840-2019 | 2020-1-31 |
| Technical specification of transformers for VSC--HVDC applications | GB/T 37011-2018 | 2019-7-1 |
| Technical specification of reactors for VSC-HVDC applications | GB/T 37008-2018 | 2019-7-1 |
| Specifications and technical requirements for dry-type amorphousalloy core distribution transformers | GB/T 22072-2018 | 2019-7-1 |
| Test guide for instrument transformers—Part 1:Current transformers | GB/T 22071.1-2018 | 2019-7-1 |
| Technical specification for oil-immersed shunt reactor of 1 000 kV AC system | GB/T 24844-2018 | 2019-2-1 |
| Technical specification for capacitor voltage transformers of 1 000 kV AC system | GB/T 24841-2018 | 2019-2-1 |
| Technical specification of 1 000 kV single phaseoil-immersed auto-transformer | GB/T 24843-2018 | 2019-2-1 |
| Mining flameproof movable substations | GB/T 8286-2017 | 2018-7-1 |
| Safety of transformers,reactors,power supply units and combinations thereof―Part 16:Particular requirements and tests for isolating transformers for the supply of medical locations | GB/T 19212.16-2017 | 2018-7-1 |
| Test guide for instrument transformers―Part 2:Inductive voltage transformers | GB/T 22071.2-2017 | 2018-7-1 |
| Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air | GB/T 1094.3-2017 | 2018-7-1 |
| Rated power evaluation guide for 35 kV and below power transformers | GB/T 35710-2017 | 2018-7-1 |
| Safety of transformers,reactors,power supply units and combinations thereof―Part 27:Particular requirements and tests for transformers and power supply units all for saving energy and other purposes | GB/T 19212.27-2017 | 2018-7-1 |
| Green product assessment Power Transformers | DB37/T 3268-2018 | 2018-7-1 |
| Instrument transformers-Part 6:Additional general requirements for low-power instrument transformers | GB/T 20840.6-2017 | 2018-5-1 |
| Technical specification for 10kV less maintenance on-load voltage-changing distribution transformers | T/CEC 163-2018 | 2018-4-1 |
| Power transformers―Part 1:General, inluding Amendment 1 | GB/T 1094.1-2013/XG1-2018 | 2018-2-1 |
| High overload capacity transformer | T/GES 001-2017 | 2018-1-10 |
| Safety of power transformers, power supplies, reactors and similar products--Part 1: General requirements and tests | GB/T 19212.1-2016 | 2017-3-1 |
| Safety of transformers, reactors, power supply units and combinations thereof Part 15: Particular requirements and tests for voltage regulators and power supply units with internal voltage regulators | GB/T 19212.15-2016 | 2017-3-1 |
| Power transformers - Part 18: Measurement of frequency response | GB/T 1094.18-2016 | 2017-3-1 |
| Safety of transformers,reactors,power supply units and combinations thereof―Part 9:Particular requirements and tests for transformers and power supply units for bells and chimes | GB/T 19212.9-2016 | 2017-3-1 |
| Technical parameters and requirements for three - phase dry - type wound core distribution transformers | GB/T 32825-2016 | 2017-3-1 |
| Minimum allowable values of energy efficiency and energy efficiency grades for 6kV~35kV transformers | T/CEEIA 258-2016 | 2016-12-26 |
| Instrument transformers―Part 4:Additional requirements for combined transformers | GB 20840.4-2015 | 2016-6-1 |
| Electrotechnical terminology―transformers,voltage regulators and reactors | GB/T 2900.95-2015 | 2016-4-1 |
| Specification and technical requirements for oil-immersd power transformers | GB/T 6451-2015 | 2016-4-1 |
| Specification and technical requirements for dry-type power transformers | GB/T 10228-2015 | 2016-4-1 |
| Guide for the Selection of High Voltage Lead Exit for 1 000kV Transformer and Reactor | T/CSEE 0002-2015 | 2016-3-1 |
| Main body technical specification for 500 kV and 750 kV multistage controlled shunt reactors | GB/T 31462-2015 | 2015-12-1 |
| Safety of transformers，reactors，power supply units and combinations thereof-Part 10: Particular requirements and tests for transformers and power supply units for class Ⅲ handlamps for tungsten filament lamps | GB 19212.10-2014 | 2015-10-16 |
| Safety of transformers，reactors，power supply units and combinations thereof-Part 21：Particular requirements and tests for small reactors | GB 19212.21-2014 | 2015-10-16 |
| Instrument transformers―Part 2:Additional requirements for current transformers | GB 20840.2-2014 | 2015-8-3 |
| Power Transformers - Part 16: Transformers for Wind Turbine Applications | GB 1094.16-2013 | 2014-12-14 |
| Power transformers - Part 2: Temperature rise for liquid-immersed transformers | GB 1094.2-2013 | 2014-12-1 |
| Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100V - Part 17: Particular requirements and tests for switch mode power supply un | GB 19212.17-2013 | 2014-11-14 |
| Instrument transformers—Part 3:Additional requirements for inductive voltage transformers | GB 20840.3-2013 | 2014-11-14 |
| Safety of transformers,reactors,power supply units and combinations thereof―Part 6:Particular requirements and test for transformer for shavers,power supply units for shavers and shaver supply units | GB/T 19212.6-2013 | 2014-11-14 |
| Safety of transformers,reactors,power supply units and combinations thereof—Part 6:Particular requirements and test for transformer for shavers,power supply units for shavers and shaver supply units | GB 19212.6-2013 | 2014-11-14 |
| Rules for the inspection of current transformers for import and export | SN/T 1093-2013 | 2014-6-1 |
| Power transformers―Part 12: Loading guide for dry-type power transformers | GB/T 1094.12-2013 | 2014-4-9 |
| Dry-type Convertor Transformers Used for High Voltage Variable Frequency Govern | NB/T 42021-2013 | 2014-4-1 |
| Specification and Technical Requirements for 750kV and 1000kV Oil-immersed Shunt Reactors | NB/T 42019-2013 | 2014-4-1 |
| Specification and Technical Requirements for 750kV and 1000kV Oil-immersed Power Transformers | NB/T 42020-2013 | 2014-4-1 |
| Oil-immersed Convertor Transformers Used for High Voltage Variable Frequency Govern | NB/T 42022-2013 | 2014-4-1 |
| Safety of transformers,reactors,power supply units and combinations thereof—EMC requirements | GB/T 21419-2013 | 2013-12-2 |
| Instrument transformers—Part 5:Additional requirements for capacitor voltage transformers | GB/T 20840.5-2013 | 2013-7-1 |
| Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 7: Particular requirements and test for safety isolating transformers and power supply units incorporating saftey isolating transformers | GB 19212.7-2012 | 2013-5-1 |
| Safety of power transformers,power supplies,reactors and similar products—Part 3:Particular requirements and tests for control transformers and power supplies incorporating control transformers | GB 19212.3-2012 | 2013-5-1 |
| Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V. Part 14: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers | GB 19212.14-2012 | 2013-5-1 |
| Safety of power transformers, power supplies, reactors and similar products―Part 2:Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications | GB/T 19212.2-2012 | 2013-5-1 |
| Safety of power transformers power supplies reactors and similar products—Part 8:Particular requirements and tests for transformers and power supplies for toys | GB 19212.8-2012 | 2013-5-1 |
| Safety of transformers,reactors,power supply units and similar products for supply voltages up to 1 100 V―Part 14:Particular requirements and tests for auto transformers and power supply units incorporating auto transformers | GB/T 19212.14-2012 | 2013-5-1 |
| Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 7: Particular requirements and test for safety isolating transformers and power supply units incorporating saftey isolating transformers | GB/T 19212.7-2012 | 2013-5-1 |
| Safety of power transformers,power supplies,reactors and similar products―Part 3:Particular requirements and tests for control transformers and power supplies incorporating control transformers | GB/T 19212.3-2012 | 2013-5-1 |
| Safety of power transformers, power supplies, reactors and similar products—Part 2:Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications | GB 19212.2-2012 | 2013-5-1 |
| Safety of power transformers power supplies reactors and similar products―Part 8:Particular requirements and tests for transformers and power supplies for toys | GB/T 19212.8-2012 | 2013-5-1 |
| Converter transformers—Part 3:Application guide | GB/T 18494.3-2012 | 2012-11-1 |
| Safety of transformers,reactors,power supply units and similar products for supply voltages up to 1 100 V—Part 5:Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers | GB 19212.5-2011 | 2012-5-1 |
| Power transformers—Part 14:Design and application of liquid-immersed transformers using high-temperature insulation material | GB/Z 1094.14-2011 | 2012-5-1 |
| Safety of transformers,reactors,power supply units and similar products for supply voltages up to 1 100 V―Part 5:Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers | GB/T 19212.5-2011 | 2012-5-1 |
| Power transformers - Part 6: Reactors | GB/T 1094.6-2011 | 2011-12-1 |
| Specification and technical requirements for 20 kV oil-immersed distribution transformers | GB/T 25289-2010 | 2011-9-1 |
| Instrument transformers—Part 1:General requirements | GB 20840.1-2010 | 2011-8-1 |
| DC current measuring device for HVDC transmission system—Part 2:Electromagnetic DC current measuring device | GB/T 26216.2-2010 | 2011-7-1 |
| DC current measuring device for HVDC transmission system—Part 1:Electronic DC current measuring device | GB/T 26216.1-2010 | 2011-7-1 |
| Specification and technical requirements for oil-immersed amorphous alloy core distribution transformers | GB/T 25446-2010 | 2011-5-1 |
| Specification and technical requirements of oil-immersed-convertor transformers for 800 kV DC applications | GB/T 25082-2010 | 2011-2-1 |
| Dry-type air-core smoothing reactors for HVDC applications | GB/T 25092-2010 | 2011-2-1 |
| Technical guide of equipment manufacturing supervision of EHV and UHV power transformers (reactors) | DL/T 363-2010 | 2010-10-1 |
| Operation specification for power transformer | DL/T 572-2010 | 2010-10-1 |
| Current transformers with compound film insulation | JB/T 10941-2010 | 2010-7-1 |
| Identification method of transformers product type | JB/T 3837-2010 | 2010-7-1 |
| Technical specification of 1 000 kV single phase oil-immersed auto-transformer | GB/Z 24843-2009 | 2010-5-1 |
| The code of distribution transformer operation | DL/T 1102-2009 | 2009-12-1 |
| Three-phase site-combined power transformers | GB/T 23755-2009 | 2009-11-1 |
| Specification and technical requirements for 330kV and 500kV oil- immersed shunt reactors | GB/T 23753-2009 | 2009-11-1 |
| Power transformers - Part 7: Loading guide for oil-immersed power transformers | GB/T 1094.7-2008 | 2009-8-1 |
| The Guide for Choice Power Transformers | GB/T 17468-2008 | 2009-8-1 |
| Power transformers - Part 5: Ability to withstand short circuit | GB 1094.5-2008 | 2009-6-1 |
| Safety of power transformers power supplies reactors and similar products - Part 1: General requirements and tests | GB 19212.1-2008 | 2009-6-1 |
| Power transformers - Part 10.1: Determination of sound levels - Application guide | GB/T 1094.101-2008 | 2009-4-1 |
| Test guide for instrument transformers - Part 2: Inductive voltage transformers | GB/T 22071.2-2008 | 2009-4-1 |
| Test guide for instrument transformers - Part 1: current transformers | GB/T 22071.1-2008 | 2009-4-1 |
| Specifications and technical requirements for dry-type amorphous alloy core distribution transformers | GB/T 22072-2008 | 2009-4-1 |
| Safety of power transformers power supply units and similar - Part 20: Particular requirements for perturbation attenuation transformers | GB 19212.20-2008 | 2009-1-1 |
| Specification and technical requirments for dry-type power transformers | GB/T 10228-2008 | 2008-12-1 |
| Guide for reactance method to detect and diagnose winding defor mation of power transformer | DL/T 1093-2008 | 2008-11-1 |
| Specification and technical requirments for oil-immersed power transformers | GB/T 6451-2008 | 2008-9-1 |
| Tap-changers—Part 2:Application guide | GB/T 10230.2-2007 | 2008-7-1 |
| Test guide for tap-changers | JB/T 8314-2008 | 2008-7-1 |
| Tap-changers—Part 1:Performance requirements and test methods | GB 10230.1-2007 | 2008-7-1 |
| Combined instrument transformers | GB 17201-2007 | 2008-7-1 |
| Safety of power transformers power supply units and similar devices—Part 10:Particular requirements for transformers for class Ⅲ handlamps for tungsten filament lamps | GB 19212.10-2007 | 2008-4-1 |
| Safety of power transformers power supply units and similar devices—Part 9:Particular requirements for bell and chime transformers | GB 19212.9-2007 | 2008-4-1 |
| Safety of power transformers power supply units and similar devices—Part 21:Particular requirements for small reactors | GB 19212.21-2007 | 2008-4-1 |
| Power transformers—Part 11:Dry-type transformers | GB 1094.11-2007 | 2008-4-1 |
| Rules for the inspection of power transformers for import and export-Part 1:General requirements | SN/T 1179.1-2007 | 2008-3-1 |
| Specification and technical requirements for 6kV~35kV dry-type shunt reactors | JB/T 10775-2007 | 2008-2-1 |
| Voltage regulators-Part1:General requirements and tests | JB/T 8749.1-2007 | 2008-2-1 |
| Specification and technical requirements for 750kV oil-immersed shunt reactors | JB/T 10779-2007 | 2008-2-1 |
| Specification and technical requirements for 750kV oil-immersed power transformers | JB/T 10780-2007 | 2008-2-1 |
| Three-phase oil-immersed adjusting power transformers | JB/T 10778-2007 | 2008-2-1 |
| Resistors for earthed neutral | JB/T 10777-2007 | 2008-2-1 |
| 220kV sigle-phase traction transformers | JB/T 10776-2007 | 2008-2-1 |
| Instrument transformers—Part 8:Electronic current transformers | GB/T 20840.8-2007 | 2007-8-1 |
| Oil-immersed smoothing reactors for HVDC applications | GB/T 20836-2007 | 2007-8-1 |
| Convertor transformers—Part 2:Transformers for HVDC applications | GB/T 18494.2-2007 | 2007-8-1 |
| Specification and technical requirements of oil-immersed convertor transformers for HVDC applications | GB/T 20838-2007 | 2007-8-1 |
| Instrument transformers—Part 7:Electronic voltage transformers | GB/T 20840.7-2007 | 2007-8-1 |
| Specification and technical requirements of oil-immersed smoothing reactors for HVDC applications | GB/T 20837-2007 | 2007-8-1 |
| Instrument transformers for AC electrified railroad traction power supply—Part 2:Voltage transformers | JB/T 8510.2-2007 | 2007-7-1 |
| Specification and technical requirements for yellow - phosphorus furnace transformers | JB/T 8506-2006 | 2007-7-1 |
| Oil-flow relays for transformer cooler | JB/T 8317-2007 | 2007-7-1 |
| Spiral-type forced-oil and water coolers for transformer | JB/T 7633-2007 | 2007-7-1 |
| Forced-oil and water coolers for transformer | JB/T 8316-2007 | 2007-7-1 |
| Technical specifications of insulation-shaping components for transformer | JB/T 8318-2007 | 2007-7-1 |
| Oil-immersed load switches for combined transformers | JB/T 10681-2006 | 2007-7-1 |
| Oil gauge for transformers | JB/T 10692-2007 | 2007-7-1 |
| Dry traction rectifier transformers for urban rail traffic | JB/T 10693-2007 | 2007-7-1 |
| Forced-oil and forced-air coolers for transformer | JB/T 8315-2007 | 2007-7-1 |
| Balance traction transformers | JB/T 10691-2007 | 2007-7-1 |
| Electroslag remelting furnace transformers | JB/T 8447-2006 | 2007-7-1 |
| Instrument transformers for AC electrified railroad traction power supply—Part 1:Current transformers | JB/T 8510.1-2007 | 2007-7-1 |
| Transformers for oil production machine | JB/T 10682-2006 | 2007-7-1 |
| Current Transformers | GB 1208-2006 | 2007-3-1 |
| Inductive voltage transformers | GB 1207-2006 | 2007-3-1 |
| Underground-type transformers | JB/T 10544-2006 | 2006-10-1 |
| Mining general type power transformers | JB/T 3955-2006 | 2006-10-1 |
| Test guide for series reactors | JB/T 7632-2006 | 2006-10-1 |
| Test guide for power transformers | JB/T 501-2006 | 2006-10-1 |
| Safety of power transformers, power supply units and similar devices - Part 16: Particular requirements for isolating transformers for the supply of medical locations | GB 19212.16-2005 | 2006-8-1 |
| Safety of power transformers,power supply units and similar devices?Part 13:Particular requirements for constant voltage transformers | GB/T 19212.13-2005 | 2006-8-1 |
| Safety of power transformers,power supply units and similar devices?Part 13:Particular requirements for constant voltage transformers | GB 19212.13-2005 | 2006-8-1 |
| Mining flameproof movable substations | GB/T 8286-2005 | 2006-8-1 |
| Safety of power transformers,power supply units and similar devices?Part 24:Particular requirements for transformers for construction sites | GB 19212.24-2005 | 2006-8-1 |
| Mining flameproof movable substations | GB 8286-2005 | 2006-8-1 |
| Safety of power transormers,power supply units and similar devices - Part 4: Particular requirements for ignition transformers for gas and oil burners | GB 19212.4-2005 | 2006-8-1 |
| Guide for the diagnosis of insulation aging in oil-immersed power transformer | DL/T 984-2005 | 2006-6-1 |
| Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors | GB/T 1094.4-2005 | 2006-4-1 |
| Technical specifications for energy conservation product certification for power save unit | CCEC/T 16.2-2006 | 2006-2-23 |
| Technical requirement for environmental labeling products Dry-type power transformers | HJ/T 224-2005 | 2006-1-1 |
| Oil conservators for transformers | JB/T 6484-2005 | 2005-11-1 |
| Butterfly-valves for transformers | JB/T 5345-2005 | 2005-11-1 |
| Thermometers for transformer windings | JB/T 8450-2005 | 2005-11-1 |
| Oil-surface thermometers for transformers | JB/T 6302-2005 | 2005-11-1 |
| Electric - Smelting transformers with flame - Proof | JB/T 6483-2005 | 2005-11-1 |
| Electronic thermo-controllers for transformers | JB/T 7631-2005 | 2005-11-1 |
| Power transformers,instrument transformers,voltage regulators,reactors for tropc zone | JB/T 831-2005 | 2005-11-1 |
| Test guide for pressure relief devices for transformers | JB/T 7069-2004 | 2004-11-1 |
| Pressure Relief Devices for Transformers | JB/T 7065-2004 | 2004-11-1 |
| Poly-function protectors for transformers | JB/T 10428-2004 | 2004-8-1 |
| Sound level for 6kV~500kV power transformers | JB/T 10088-2004 | 2004-8-1 |
| Ladle refining furnace transformers | JB/T 10429-2004 | 2004-8-1 |
| Specification and technical requirements for calcium carbide furnace transformers | JB/T 6303-2004 | 2004-8-1 |
| Three - Phase combined instrument transformers | JB/T 10432-2004 | 2004-8-1 |
| Quick action oil-pressure relays for transformers | JB/T 10430-2004 | 2004-8-1 |
| Controlling voltage transformers | JB/T 6300-2004 | 2004-8-1 |
| Power transformers immersed in fire resistance fluid | JB/T 10431-2004 | 2004-8-1 |
| Three - Phase voltage transformers | JB/T 10433-2004 | 2004-8-1 |
| Specification and technical requirements for three - Phase station service transformers | JB/T 2426-2004 | 2004-8-1 |
| Technical specifications of sealing articles for transformer and similar products Part 2:Corkrubber sealing articles | JB/T 8448.2-2004 | 2004-8-1 |
| Technical specifications of sealing articles for transformer and similar products Part 1:Rubber sealing articles | JB/T 8448.1-2004 | 2004-8-1 |
| Power transformers―Part 5:Ability to withstand short circuit | GB 1094.5-2003 | 2004-1-1 |
| Power transformers？Part 3:Insulation levels,dielectric tests and external clearances in air | GB 1094.3-2003 | 2004-1-1 |
| Power transformers--Application guide | GB/T 13499-2002 | 2003-3-1 |
| Power transformers - Part 10: Determination of sound | GB/T 1094.10-2003 | 2003-1-2 |
| Test guide for regulator Part 2: Test guide for induction voltage regulators and automatic induction voltage regulators | JB/T 7070.2-2002 | 2002-7-16 |
| Test guide for regulator Part 1: Test guide for variable regulators and automatic variable regulators | JB/T 7070.1-2002 | 2002-7-16 |
| Test guide for voltage transformers test | JB/T 5357-2002 | 2002-7-16 |
| Test guide for current transformets test | JB/T 5356-2002 | 2002-7-16 |
| Additional specification for mechanical drawing of the transformers and similar products | JB/T 5355-2002 | 2002-7-16 |
| Metal expanders for instrument transformer | JB/T 7068-2002 | 2002-7-16 |
| Test guide for regulator Part 3: Test guide for magnetic control voltage regulator | JB/T 7070.3-2002 | 2002-7-16 |
| Technical Specifications for Dry Type Hollow Series Reactor of Electric Railway | TB/T 3040-2002 | 2002-7-1 |
| 50kV and 25kV Inductive Current Transformers for Electric railway | TB/T 3039-2002 | 2002-7-1 |
| 50kV and 25kV Inductive Voltage Transformers for Electric Railway | TB/T 3038-2002 | 2002-7-1 |
| Convertor transformers - Part 1: transformers for industrial applications | GB/T 18494.1-2001 | 2002-6-1 |
| R-cores single-phase transformers | SJ/T 11244-2001 | 2002-5-1 |
| Single-phase power transformers using R-cores | SJ/T 11245-2001 | 2002-5-1 |
| Capacitor Voltage Transformers - Grading of Product Quality | JB/T 56212-1999 | 2000-6-1 |
| Specification and technical requirements for three-phase oil-immersed power transformers | GB/T 6451-1999 | 2000-5-1 |
| Isolation transformers for airport lighting | MH/T 6008-1999 | 2000-3-1 |
| Testing transformers | JB/T 9641-1999 | 2000-1-1 |
| Traction silicon-rectifier transformer | JB/T 2931-1999 | 2000-1-1 |
| Phase buses | JB/T 9639-1999 | 2000-1-1 |
| Small dry-type transformer for control or luminary | JB/T 9646-1999 | 2000-1-1 |
| Control current tranformers | JB/T 9652-1999 | 2000-1-1 |
| Reactor for semiconductor electric drive | JB/T 9644-1999 | 2000-1-1 |
| Instrument transformer testing equipment for measuring service | DL/T 668-1999 | 1999-10-1 |
| The guide for choice power transformers | GB/T 17468-1998 | 1999-9-1 |
| Sperification and technical requirements for 500kV oil immersed shunt reactors | JB/T 8751-1998 | 1998-12-1 |
| Transformers for electric control equipment | JB/T 8750-1998 | 1998-12-1 |
| Combined transformers | GB 17201-1997 | 1998-10-1 |
| Technical Specification for 27.5kV and 55kV Oil-immersed Skott Connection Transformer for Electric Railway | TB/T 2886-1998 | 1998-9-1 |
| Specification and Technical Requirements for 27.5kV Oil-immersed Power Transformers Special for Railway | TB/T 2887-1998 | 1998-9-1 |
| Oil-immersed Booster Transformer Special for Electric Railway | TB/T 2885-1998 | 1998-9-1 |
| Voltage transformers | GB 1207-1997 | 1998-5-1 |
| Electrotechnical terminology--Transformer,instrument transformer,voltage regulator and reactor | GB/T 2900.15-1997 | 1998-5-1 |
| Requirements for protective current transformers for transent performance | GB 16847-1997 | 1998-5-1 |
| Specification and technical requirements for dry-trpe power transformers | GB/T 10228-1997 | 1998-5-1 |
| Power Convertor Transformers | JB/T 8636-1997 | 1998-1-1 |
| Current transformers | GB 1208-1997 | 1997-9-8 |
| Method for designing types of products in transformer category | JB/T 3837-1996 | 1997-7-1 |
| Power transformers - Part 1: General | GB 1094.1-1996 | 1996-12-2 |
| High voltage post insulators of ceramic material--Technical specification | GB 8287.1-1987 | 1996-12-1 |
| Power transformers - Part 2: Temperature rise | GB 1094.2-1996 | 1996-12-1 |
| Domestic AC Automatic Regulator | SB/T 10266-1996 | 1996-10-1 |
| Forced-oil and Forced-air Coolers for Transformer | JB/T 8315-1996 | 1996-10-1 |
| Mining flameproof movable substations | GB 8286-1996 | 1996-1-2 |
| Specification and technical requirements for oil immersed power transformers 500kV | GB/T 16274-1996 | 1996-1-2 |
| Guiding principle for examining and repairing power transformers | DL/T 573-1995 | 1995-11-1 |
| Electronic thermo-controllers for transformers | JB/T 7631-1994 | 1995-6-1 |
| Loading guide for oil-immersed power transformers | GB/T 15164-1994 | 1995-1-1 |
| Requirements of readiness and methods of inspection and assessment for high voltage switch cabinets | SJ/T 31402-1994 | 1994-6-1 |
| Pressure Relief Devices for Transformers | JB/T 7065-1993 | 1994-1-1 |
| Application guide for power transformers | GB/T 13499-1992 | 1993-3-1 |
| Specification and Technical Requirements for Three-phase Station Service Transformers | JB/T 2426-1992 | 1993-1-1 |
| Isolating transformers and safety isolating transformers-Requirements | GB 13028-1991 | 1992-4-1 |
| Guides for the power transformers energy saving operation in factories and mines | GB/T 13462-1992 | 1992-1-2 |
| Power transformers-Insulation levels and dielectric tests external clearances in air | GB/T 10237-1988 | 1990-1-1 |
| Specification and technical requirements for three phase oil immersed power transformers 63kv | GB 6451.3-1986 | 1987-6-1 |
| Specification and technical requirements for three phase oil immersed power transformers 35kv | GB 6451.2-1986 | 1987-6-1 |
| Dry-type power transformers | GB 6450-1986 | 1987-5-1 |
| Power transformers-Part 3: Insulation levels and dielectric tests | GB 1094.3-1985 | 1986-7-1 |
| Power transformers--Part 4: Tappings and connections | GB 1094.4-1985 | 1986-7-1 |
| Power transformers--Part 5: Ability to withstand short circuit | GB 1094.5-1985 | 1986-7-1 |
