GB/T 17468-2008 The guide for choice power transformers

GB/T 17468-1998 The guide for choice power transformers

GB/T 17468-2019 Guide for choice power transformers

GB 311.1-1997 Insulation co-ordination for high voltage transmission and distribution equipment GB/T 311.1-2012 Insulation co-ordination—Part 1:Definitions,principles and rules GB/T 321-1980 Preferred numbers and preferred number series GB/T 321-2005 Preferred numbers—Series of preferred numbers GB 1094.1-1996 Power transformers—Part 1:General GB/T 1094.1-2013 Power transformers—Part 1:General GB 1094.2-1996 Power transformers—Part 2:Temperature rise GB/T 1094.2-2013 Power transformers—Part 2:Temperature rise for liquid-immersed transformers GB/T 1094.3-2003 Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air GB/T 1094.3-2017 Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air GB 1094.5-2003 Power transformers—Part 5:Ability to withstand short circuit GB/T 1094.5-2008 Power transformers—Part 5:Ability to withstand short circuit GB/T 1094.7-2008 Power transformers—Part 7:Loading guide for oil-immersed power transformers GB/T 1094.7-2024 Power transformers—Part 7:Loading guide for mineral-oil-immersed power transformers GB/T 1094.10-2003 Power transformers—Part10:Determination of sound levels GB/T 1094.10-2022 Power transformers—Part 10:Determination of sound levels GB/T 1094.11-2007 Power transformers—Part 11:Dry-type transformers GB/T 1094.11-2022 Power transformers—Part 11:Dry-type transformers GB 1208-1997 Current transformers GB 1208-2006 Current transformers GB 3096-1993 Standard of environmental noise of urban area GB 3096-2008 Environmental quality standards for noise GB/T 4109-1999 Technical specification of high voltage bushing GB/T 4109-2008 Insulated bushings for alternating voltages above 1 000 V GB/T 4109-2022 Insulated bushings for alternating voltages above 1 000 V GB/T 6451-1999 Specification and technical requirements for three-phase oil-immersed power transformers GB/T 6451-2008 Specification and technical requirements for oil-immersed power transformers GB/T 6451-2015 Specification and technical requirements for oil-immersd power transformers GB/T 6451-2023 Technical parameters and requirements for oil-immersed power transformers GB/T 7595-2000 Quality criteria of transformer oils in service GB/T 7595-2008 Quality of transformer oils in service GB/T 7595-2017 Quality of transformer oils in service GB/T 10228-1997 Specification and technical requirements for dry-type power transformers GB/T 10228-2008 Specification and technical requirements for dry-type power transformers GB/T 10228-2015 Specification and technical requirements for dry-type power transformers GB/T 10228-2023 Technical parameters and requirements for dry-type power transformers GB/T 10230.1-2007 Tap-changers—Part 1:Performance requirements and test methods GB/T 10230.1-2019 Tap-changers—Part 1:Performance requirements and test methods GB/T 10230.2-2007 Tap-changers—Part 2:Application guide GB/T 10230.2-2025 Tap changers—Part 2:Application guidelines GB 12348-1990 Standard of noise at boundary of industrial enterprises GB/T 13499-2002 Power transformers—Application guide GB 16847-1997 Requirements for protective current transformers for transient performance GB/T 17211-1998 Loading guide for dry-type power transformers GB 20052-2006 The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GB 20052-2024 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GBJ 148 DL/T 985-2012 Guidelines for Energy Efficiency and Technical and Economic Evaluation of Distribution Transformers DL/T 985-2005 Guidelines for Energy Efficiency and Economic Technical Evaluation of Distribution Transformers DL/T 985-2022 Guidelines for Energy Efficiency and Technical Economic Evaluation of Distribution Transformers JB/T 501-2021 Electric power transformer test guidelines JB/T 501-2006 Electric power transformer test guidelines JB/T 501-1991 Electric power transformer test guidelines JB/T 2426-2016 JBT 2426-2016 Technical specifications and requirements for three-phase transformers for self-use by power plants and substation JB 2426-1992 JB 2426-1992 Technical specifications and requirements for three-phase transformers for self-use by power plants and substation JB/T 2426-2004 Three-phase transformer for self-use by power plant and substation: Technical parameters and requirements JB/T 3837-2016 JB/T 3837-2016 Transformer product standard model numbering method JB/T 3837-1992 JB/T 3837-1992 Transformer product model designation method JB/T 3837-2010 Transformer product model numbering method JB/T 3837-1996 JBT 3837-1996 Modeling method for transformer products JB/T 3837-2025 JB/T 5345-2016 Transformer butterfly valve JB/T 5345-1991 Transformer butterfly valve JB/T 5345-2005 Transformer butterfly valve JB/T 5347-2013 Transformer-mounted planar radiator JB/T 5347-1991 Transformer-mounted Flat-type Radiator JB/T 5347-1999 Transformer-mounted sheet-type radiator JB/T 6302-2016 Transformer oil surface temperature controller JB/T 6302-2005 Transformer Oil Level Thermostat JB/T 6302-1992 Transformer-mounted pressure-type thermometer JB/T 6484-2016 Transformer oil reservoir JB/T 6484-1992 Transformer oil reservoir JB/T 6484-2005 Transformer oil tank JB/T 7065-2015 Transformer pressure relief valve JB 7065-1993 Transformer pressure relief valve JB/T 7065-2004 Pressure relief devices for transformers JB/T 7631-2016 Transformer electronic temperature controller JB/T 7631-2005 Transformer electronic temperature controller JB/T 7631-1994 Transformer-based Resistance Thermometer JB/T 7633-2007 Transformer-use spiral plate strong oil-water cooler JB/T 7633-1994 Transformer-use spiral plate strong oil-water cooler JB/T 7633-2025 Transformer-use spiral plate strong oil-water cooler JB/T 8315-2022 Forced oil-cooled air cooler for transformers JB/T 8315-2007 Forced-oil and forced-air coolers for transformer JB/T 8316-2007 Forced oil-cooled water cooler for transformers JB/T 8316-2025 Transformer-based forced oil-cooled water cooler JB/T 8317-2022 Transformer cooling oil flow relay JB/T 8317-2007 The oil flow relay used for the cooling system of the transformer JB/T 8318-2007 Transformer mold insulation parts technical specification JB/T 8318-1996 Transformer insulation preform technology specification JB/T 8318-2025 Transformer molding insulation parts technical specification JB/T 8448.1-2018 Specification for Sealing Products for Transformers and Their Components - Part 1: Rubber Sealing Products JB/T 8448.1-2004 Technical Specification for Sealing Products Used in Transformer-type Products Part 1: Rubber Sealing Products JB/T 8450-2016 Transformer winding temperature controller JB/T 8450-2005 Transformer winding temperature controller JB/T 8971-2013 Dry-type transformer with cross-flow cooling fan JB/T 8971-1999 Dry-type transformer cooling axial fan with circulating flow JB/T 9639-1999 Enclosing busbar JB/T 9642-2013 Transformer fan JB/T 9642-1999 Transformer fan JB/T 9647-2014 Transformer-operated gas-operated relay JB/T 9647-1999 Gas relay JB/T 10088-2016 JBT 10088-2016 6kV～1000kV-level power transformer sound level JB/T 10088-2004 JB/T 10112-1999 Transformer Oil Pump JB/T 10112-2013 Oil pumps for transformers JB/T 10317-2014 JBT 10317-2014 Single-phase oil-immersed distribution transformer technical specifications and requirements JB/T 10317-2002 JBT 10317-2002 Single-phase oil-immersed distribution transformer technical specifications and requirements JB/T 10318-2002 The technical parameters and requirements of an oil-immersed non-crystalline alloy iron core distribution transformer JB/T 10428-2015 Transformer Multifunctional Protection Device JB/T 10428-2004 Transformer multi-function protection device JB/T 10430-2015 Rapid oil pressure relay for transformers JB/T 10430-2004 Rapid oil pressure relay for transformers JB/T 10692-2018 Transformer Oil Level Gauge JB/T 10692-2007 Transformer Oil Level Gauge ANSI/IEEE C57.13:1993