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IEEE Power Transformers (Distribution and Regulating) Standards Subscription

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Active:     Archive:

1-2000 Active - IEEE recommended practice - general principles for temperature limits in the rating of electrical equipment and for the evaluation of electrical insulation
Reaffirmed 2005  Revision of 4-1995  
32-1972 Active - IEEE standard requirements, terminology, and test procedure for neutral grounding devices
Reaffirmed 1997  
62-1995 Active - IEEE guide for diagnostic field testing of electric power apparatus - part 1: oil filled power transformers, regulators, and reactors
62.2-2004 Active - IEEE Std 62.2 - 2004 IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus
111-2000 Active - IEEE standard for wide-band (greater than 1 decade) transformers
Reaffirmed 2007  
259-1999 Active - IEEE standard test procedure for evaluation of systems of insulation for dry-type specialty and general-purpose transformers
295-1969 Active - IEEE standard for electronics power transformers
Reaffirmed 2000, 2007  
315-1975 Active - Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters)
388-1992 Active - IEEE standard for transformers and inductors in electronic power conversion equipment
Reaffirmed 2007  
389-1996 Active - IEEE recommended practice for testing electronics transformers and inductors
Reaffirmed 2007  
390-1987 Active - IEEE standard for pulse transformers
Reaffirmed 1993, 2007  
393-1991 Active - IEEE standard for test procedures for magnetic cores
Reaffirmed 2007  
436-1991 Active - IEEE guide for making corona (partial discharge) measurements on electronics transformers
Reaffirmed 1998, 2007  
637-1985 Active - IEEE guide fopr the reclamation of insulating oil and criteria for its use
Reaffirmed 1992, 2002, 2007  
638-1992 Active - IEEE standard for qualification of class 1E transformers for nuclear power generating stations
An Errata is available  Reaffirmed 1999, 2006  
1276-1997 Active - IEEE trial-use guide for the application of high-temperature insulation materials in liquid-immersed power transformers
Reaffirmed 2006  
1277-2000 Active - IEEE Standard General Requirements and Test Code for Dry-Type and Oil-Immersed Smoothing Reactors for DC Power Transmission
1515-2000 Active - IEEE Recommended Practice for Electronic Power Subsystems: Parameter Definitions, Test Conditions, and Test Methods
1538-2000 Active - IEEE Guide for Determination of Maximum Winding Temperature Rise in Liquid-Filled Transformers
Reaffirmed 2005  
1573-2003 Active - IEEE Recommended Practice for Electronic Power Subsystems: Parameters, Interfaces, Elements, and Performance
IEC 62032-2005 IEEE C57.135-2005 Active - IEC/IEEE Guide for the application, specification, and testing of phase-shifting transformers
PC57.2/D12, Sept 2007 Active Unapproved Draft - Draft Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVA
PC57.12.00/D2c, Sep 2008 Active Unapproved Draft - IEEE Draft Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
C57.12.00-2000 Archived - IEEE standard general requirements for liquid-immersed distribution, power, and regulating transformers
C57.12.00-2006 Active - IEEE Standard for Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
C57.12.01-2005 Active - IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers, Including Those with Solid-Cast and/or Resin Encapsulated Windings
Revision of C57.12.01-1998  
C57.12.10-1997 Active - American National Standard for Transformers- 230 kV and Below 833 / 958 through 8333 / 10 417 kVA, Single-Phase, and 750 / 862 through 60 000 / 80 000 / 100 000 kVA, Three-Phase Without Load Tap Changing; and 3750 / 4687 through 60 000 / 80 000 / 100 000 kVA with Load Tap Changing- Safety Requirement
An interpretation is available  
PC57.12.10/D4.3, Jun 2009 Active Unapproved Draft - IEEE Draft Standard Requirements for Liquid-Immersed Power Transformers
C57.12.20-2005 Active - IEEE standard for overhead-type distribution transformers, 500 kVA and smaller: high voltage, 34 500 V and below; low voltage, 7970/13 800y V and below
An interpretation is available  
C57.12.21-1992 Active - American National Standard Requirements for Pad-Mounted, Compartmental-Type Self-Cooled, Single-Phase Distribution Transformers With High Voltage Bushings; High-Voltage, 34500 GRYD/19920 Volts and Below; Low-Voltage, 240/120 Volts; 167 kVA and Smaller
C57.12.22-1993 Active - American National Standard for Transformers- Pad-Mounted, Compartmental-Type, Self-Cooled Three-Phase Distribution Transformers With High-Voltage Bushings, 2500 kVA and Smaller: High Voltage, 34 500 Grd Y/19 920 Volts and Below; Low Voltage, 480 Volts and Below
Reaffirmed 1998, 1998  
C57.12.23-2009 Active - IEEE Standard for Submersible Single-Phase Transformers: 167 kVA and Smaller; High Voltage 25 000 V and Below; Low Voltage 600 V and Below
C57.12.24-2009 Active - IEEE Standard for Submersible, Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 Volts and Below; Low Voltage, 600 Volts and Below
C57.12.25-1990 Active - American National Standard for Transformers - Pad-mounted, Compartmental-type, Self-cooled, Single-phase Distribution Transformers with Separable Insulated High-voltage Connectors; High Voltage, 34 500 Grdy/ 19 920 Volts and Below; Low Voltage, 240/120 Volts; 167 Kva and Smaller Requirements
C57.12.26-1992 Active - IEEE Standard for Pad-mounted, Compartmental-Type, Self-cooled, Three-phase Distribution Transformers for Use with Separable Insulated High-voltage Connectors (34 500 Grd Y/19 920 V and Below, 2500 Kva and Smaller)
C57.12.28-2005 Active - IEEE Std. C57.12.28 - 2005 IEEE Standard for Pad-Mounted Equipment - Enclosure Integrity
C57.12.29-2005 Active - IEEE Standard for Pad-Mounted Equipment - Enclosure Integrity for Coastal Environments
PC57.12.30/D4, Apr 2009 Active Unapproved Draft - IEEE Draft Standard for Pole-Mounted Equipment - Enclosure Integrity for Coastal Environments
PC57.12.31 D4, Sept 2009 Active Unapproved Draft - IEEE Draft Standard for Pole-Mounted Equipment - Enclosure Integrity
C57.12.31-2002 Active - IEEE standard for pole mounted equipment - enclosure integrity
C57.12.32-2002 Active - IEEE standard for submersible equipment - enclosure integrity
Reaffirmed 2008  
C57.12.34-2004 Active - IEEE standard requirements for pad-mounted, compartmental-type, self-cooled, three-phase distribution transformers (2500 kVA and smaller)- high-voltage: 34 500 GrdY/19 920 volts and below; low-voltage: 480 volts and below
An Errata is available  
PC57.12.34/D4E, Jun 2009 Active Unapproved Draft - IEEE Draft Standard for Requirements for Pad-Mounted, Compartmental Type, Self Cooled, Three Phase Distribution Transformers, 5 MVA and Smaller; High Voltage, 34.5 kV Nominal System Voltage and Below; Low Voltage, 15 kV Nominal System Voltage and Below
PC57.12.34/D4F, Sept 2009 Active Unapproved Draft - Draft Standard for Requirements for Pad-Mounted, Compartmental Type, Self Cooled, Three Phase Distribution Transformers, 5 MVA and Smaller; High Voltage, 34.5 kV Nominal System Voltage and Below; Low Voltage, 15 kV Nominal System Voltage and Below
C57.12.35-2007 Active - IEEE Standard for Bar Coding for Distribution Transformers and Step-Voltage Regulators
Revision of C57.12.35-1996  
C57.12.36-2007 Active - IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers
C57.12.37-2006 Active - IEEE Standard for the Electronic Reporting of Distribution Transformer Test Data
Revision of 1388-2000  
C57.12.40-2000 Archived - American National Standard for Secondary Network Transformers Subway and Vault Types (Liquid Immersed)-Requirements
C57.12.40-2006 Active - IEEE Standard Requirements for Secondary Network Transformers, Subway and Vault Types (Liquid Immersed)
C57.12.44-2005 Active - IEEE Standard Requirements for Secondary Network Protectors
An interpretation is available  Revision of C57.12.44-2000  
C57.12.50-1981 Active - American National Standard Requirements for Ventilated Dry-Type Distribution Transformers, 1 to 500 kVA, Single-Phase, and 15 to 500 kVA, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 120 to 600 Volts
C57.12.51-2008 Active - IEEE Standard for Ventilated Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 V to 34 500 V; Low-Voltage 208Y/120 V to 4160 V- General Requirements
C57.12.52-1981 Active - American National Standard Requirements for Sealed Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase, with High-Voltage 601 to 34 500 Volts, Low-Voltage 208Y/120 to 4160 Volts
C57.12.55-1987 Active - American National Standard for Transformers - Used in Unit Installations, Including Unit Substations-Conformance Standard
C57.12.56-1986 Active - IEEE standard test procedure for thermal evaluation of insulation systems for ventilated dry-type power and distribution tranformers
C57.12.58-1991 Active - IEEE guide for conducting a transient voltage analysis of a dry-type transformer coil
Reaffirmed 1996,2002,2008  
C57.12.59-2001 Active - IEEE guide for dry-type transformer through-fault current duration
Reaffirmed 2006  
C57.12.60-1998 Active - IEEE guide for test procedures for thermal evaluation of insulation systems for solid-cast and resin-encapsulated power and distribution transformers
PC57.12.60/D3, Apr 2009 Active Unapproved Draft - IEEE Draft Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast and Resin Encapsulated Transformers
PC57.12.60/D4, Aug 2009 Active Unapproved Draft - Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast and Resin Encapsulated Transformers
C57.12.70-2000 Active - IEEE standard terminal markings and connections for distribution and power transformers
C57.12.80-2002 Active - IEEE standard terminology for power and distribution transformers
Revision of C57.12.80-1978  
PC57.12.80/D3, Mar 2009 Active Unapproved Draft - IEEE Draft Standard for Terminology for Power and Distribution Transformers
C57.12.90-2006 Active - IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
An interpretation is available  
PC57.12.90/D10, Feb 2009 Active Unapproved Draft - IEEE Draft Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
C57.12.91-2001 Active - IEEE standard test code for dry-type distribution and power transformers
An interpretation is available  
C57.13-2008 Active - IEEE Standard Requirements for Instrument Transformers
C57.13.1-2006 Active - IEEE Guide for Field Testing of Relaying Current Transformers
C57.13.2-2005 Active - IEEE Std. C57.13.2 - 2005 IEEE Standard Conformance Test Procedure for Instrument Transformers
C57.13.3-2005 Active - IEEE Std C57.13.3 - 2005 IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
Revision of C57.13.3-1983  
C57.13.5-2003 Active - IEEE Trial-Use Standard of Performance and Test Requirements for Instrument and Transformers of a Nominal System Voltage of 115 kV and Above
PC57.13.5/D6, May 2009 Active Unapproved Draft - IEEE Draft Standard of Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
C57.13.6-2005 Active - IEEE Standard for High-Accuracy Instrument Transformers
C57.15-1999 Active - IEEE standard requirements, terminology, and test code for step-voltage regulators
C57.15/D8.6, Jun 2009 Active Unapproved Draft - IEEE Draft Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators
C57.16-1996 Active - IEEE standard requirements, terminology, and test code for dry-type air-core series-connected reactors
C57.18.10-1998 Active - IEEE standard practices and requirements for semiconductor power rectifier transformers
An Errata is available  Reaffirmed 2003  
C57.18.10a-2008 Active - IEEE Standard for Practices and Requirements for Semiconductor Power Rectifier Transformers Amendment 1: Added Technical and Editorial Corrections
C57.19.00-2004 Active - IEEE Std. C57.19.00 - 2004 IEEE Standard General Requirements and Test Procedure for Power Apparatus Bushings
C57.19.01-2000 Active - IEEE standard performance characteristics and dimensions for outdoor apparatus bushings
C57.19.03-1996 Active - IEEE standard requirements, terminology, and test code for bushings for DC applications
Reaffirmed 2002  Superseded by C57.19.03-2005  
C57.19.03-2005 Active - IEEE Std C57.19.03 2005 - IEEE Standard Requirements, Terminology, and Test Code for Bushings for DC Applications - Corrigendum 1
Corrigendum to C57.19.03-1996  
C57.19.100-1995 Active - IEEE guide for application of power apparatus bushings
C57.21-2008 Active - IEEE Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVA
Revision of C57.21-1990  
C57.91-1995 Active - IEEE guide for loading mineral-oil-immersed transformers
An Errata is available  Reaffirmed 2002, 2004  An interpretation is available  
C57.91-1995/Cor 1-2002 Active - C57.91-1995/Cor 1-2002 IEEE guide for loading mineral-oil- immersed transformers corrigendum 1
C57.93-2007 Active - IEEE Guide for Installation and Maintenance of Liquid-Immersed Power Transformers
C57.94-1982 Active - IEEE recommended practice for installation, application, operation, and maintenance of dry-type general purpose distribution and power transformers
Reaffirmed 1987, 2000, 2006  
C57.96-1999 Active - IEEE guide for loading dry-type distribution and power transformers
C57.98-1993 Active - IEEE guide for transformer impulse tests
An Errata is available  Reaffirmed 1999  
C57.100-1999 Active - IEEE standard test procedure for thermal evaluation of liquid-immersed distribution and power transformers
C57.104-2008 Active - IEEE guide for the interpretation of gases generated in oil-immersed transformers
PC57.104/D3, Jul 2007 Active Unapproved Draft - Draft Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers
PC57.104/D3.2 Mar 2008 Active Unapproved Draft - IEEE Draft Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers
PC57.104/D3.3, Aug 2008 Active Approved Draft - IEEE Draft Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers
PC57.104/D3.3, Aug 2008 Active Unapproved Draft - Draft Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers
C57.105-1978 Active - IEEE guide for application of transformer connections in three-phase distribution systems
C57.106-2006 Active - IEEE Guide for Acceptance and Maintenance of Insulating Oil in Equipment
Revision of C57.106-2002  
C57.109-1993 Active - IEEE guide for liquid-immersed transformer through-fault-current duration
C57.110-2008 Active - IEEE Recommended Practice for Establishing Liquid-Filled and Dry-Type Power and Distribution Transformer Capability When Supplying Nonsinusoidal Load Currents
Revision of C57.110-1998  
C57.111-1989 Active - IEEE guide for acceptance of silicone insulating fluid and its maintenance in transformers
Reaffirmed 1995, 2003, 2009  An interpretation is available  
C57.113-1991 Active - IEEE guide for partial discharge measurement in liquid- filled power transformers and shunt reactors
C57.113-1991 Active - IEEE Guide for Partial Discharge Measurement in Liquid-Filled Power Transformers and Shunt Reactors
PC57.113/D3, Feb 2009 Active Unapproved Draft - IEEE Draft Recommended Practice for Partial Discharge Measurement in Liquid-Filled Power Transformers and Shunt Reactors
C57.116-1989 Active - IEEE guide for transformers directly connected to generators
C57.117-1986 Active - IEEE guide for reporting failure data for power transformers and shunt reactors on electric utility power systems
C57.119-2001 Active - IEEE recommended practice for performing temperature rise tests on oil-immersed power transformers at loads beyond nameplate ratings
C57.120-1991 Active - IEEE loss evaluation guide for power transformers and reactors
Reaffirmed 2000, 2006  
C57.121-1998 Active - IEEE guide for acceptance and maintenance of less flammable hydrocarbon fluid in transformers
C57.123-2002 Active - IEEE Guide for Transformer Loss Measurement
PC57.123/D2.8, Apr 2009 Active Unapproved Draft - IEEE Draft Guide for Transformer Loss Measurement
C57.124-1991 Active - IEEE recommended practice for the detection of partial discharge and the measurement of apparent charge in dry -type transformers
C57.125-1991 Active - IEEE guide for failure investigation, documentation, and analysis for power transformers and shunt reactors
C57.127-2007 Active - IEEE Guide for the Detection and Location of Acoustic Emissions from Partial Discharges in Oil-Immersed Power Transformers and Reactors
C57.129-2007 Active - IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers
PC57.130/D17, Jun 2006 Active Unapproved Draft - Unapproved IEEE Trial-Use Guide for the Use of Dissolved Gas Analysis During Factory Temeprature Rise Tests for the Evaluation of Oil-Immersed Transformers and Reactors
C57.131-1995 Active - IEEE standard requirements for load tap changers
PC57.131/D1.5 Active Unapproved Draft - Draft Standard for Requirements for Tap Changers
C57.134-2000 Active - IEEE guide for determination of hottest-spot temperature in dry-type transformers
C57.136-2000 Active - IEEE guide for sound level abatement and etermination for liquid-immersed power transformers and shunt reactors rated over 500 kVA
C57.138-1998 Active - IEEE recommended practice for routine impulse test for distribution transformers
PC57.139/D12, Nov 2009 Active Unapproved Draft - Draft Guide for Dissolved Gas Analysis in Transformer Load Tap Changers
C57.140-2006 Active - IEEE Guide for the Evaluation and Reconditioning of Liquid Immersed Power Transformers
PC57.142/D5.2, Jan 2009 Active Unapproved Draft - Guide To Describe The Occurrence and Mitigation Of Switching Transients Induced By Transformer, Switching Device, and System Interaction
PC57.142/D6, Apr 2009 Active Unapproved Draft - IEEE Guide to Describe the Occurrence and Mitigation of Switching Transients Induced by Transformer, Switching Device, and System Interaction
PC57.143/D20, Apr 2008 Active Unapproved Draft - IEEE Draft Guide for Application for Monitoring Liquid-Immersed Transformers and Components
C57.144-2004 Active - IEEE Std C57.144 - 2004 - IEEE Guide for Metric Conversion of Transformer Standards
C57.146-2005 Active - IEEE Std C57.146 2005
An interpretation is available  
C57.147-2008 Active - IEEE Guide for Acceptance and Maintenance of Natural Ester Fluids in Transformers

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