IEEE C57.12.00-2015
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
Superseded date
27-01-2022
Published date
12-05-2016
1 Overview
2 Normative references
3 Definitions
4 Service conditions
5 Rating data
6 Construction
7 Short-circuit characteristics
8 Testing and calculations
9 Tolerances
10 Connection of transformers for shipment
Annex A (informative) - Cooling class designations
Annex B (informative) - Front-of-wave test levels
Annex C (informative) - Reference load sound power
levels
Annex D (informative) - Bibliography
This standard describes electrical and mechanical requirements of liquid-immersed distribution and power transformers, and auto-transformers and regulating transformers, single-phase and polyphase, with voltages of 601 V or higher in the highest voltage winding.
| Committee |
Transformers
|
| DevelopmentNote |
Supersedes IEEE DRAFT C57.12.00. (08/2000)
|
| DocumentType |
Standard
|
| ProductNote |
Supersedes IEEE DRAFT C57.12.00. (EJB 08/2000)
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| IEEE C57.12.10-2010 REDLINE | IEEE Standard Requirements for Liquid-Immersed Power Transformers |
| IEEE 141 : 1993 | IEEE Recommended Practice for Electric Power Distribution for Industrial Plants |
| 18/30338601 DC : 0 | HD 60364-8-1 ED 2.0 - LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 8-1: ENERGY EFFICIENCY |
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| IEEE 487.3-2014 | IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Hybrid Facilities |
| IEEE C57.12.70-2011 | IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers |
| IEEE C57.21 : 2008 | REQUIREMENTS, TERMINOLOGY, AND TEST CODE FOR SHUNT REACTORS RATED OVER 500 KVA |
| CEI 14-43 : 2011 | GUIDE FOR THE APPLICATION, SPECIFICATION, AND TESTING OF PHASE-SHIFTING TRANSFORMERS |
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| IEEE DRAFT C57.12.40 : D4 2006 | SECONDARY NETWORK TRANSFORMERS, SUBWAY AND VAULT TYPES (LIQUID IMMERSED) |
| IEEE 1313-1993 | IEEE Standard for Power Systems - Insulation Coordination |
| IEEE C57.12.11-1980 | IEEE Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger, 69-287 kV Rating) |
| UFC 3-501-01 : 2015 | UNIFIED FACILITIES CRITERIA - ELECTRICAL ENGINEERING |
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| ANSI C92.1 : 1982 | POWER SYSTEMS - INSULATION COORDINATION |
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| IEEE C57.154-2012 | IEEE Standard for the Design, Testing, and Application of Liquid-Immersed Distribution, Power, and Regulating Transformers Using High-Temperature Insulation Systems and Operating at Elevated Temperatures |
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| NFPA 70B : 2016 | RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE |
| IEEE DRAFT 1147 : D8 2005 | GUIDE FOR THE REHABILITATION OF HYDROELECTRIC POWER PLANTS |
| IEEE C57.12.20-2011 REDLINE | 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 |
| IEEE 421.4-2014 | IEEE Guide for the Preparation of Excitation System Specifications |
| IEEE C57.110-2008 REDLINE | IEEE Recommended Practice for Establishing Liquid-Filled and Dry-Type Power and Distribution Transformer Capability When Supplying Nonsinusoidal Load Currents |
| IEEE 1566-2015 REDLINE | IEEE Standard for Performance of Adjustable-Speed AC Drives Rated 375 kW and Larger |
| UNE-EN 62271-212:2017 | High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS) |
| EN 62271-212:2017 | High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS) |
| IEEE C57.21-2021 | IEEE Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVA |
| IEEE C37.121-2020 REDLINE | IEEE Guide for Switchgear--Unit Substation--Requirements |
| IEEE 693-2018 REDLINE | IEEE Recommended Practice for Seismic Design of Substations |
| TM 5-811-1 : V19950228 | ARMY TECHNICAL MANUAL - ELECTRICAL POWER SUPPLY AND DISTRIBUTION |
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| IEEE C57.98-2011 | IEEE Guide for Transformer Impulse Tests |
| CEI EN 60076-3 : 2015 | POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR |
| IEEE C57.19.01-2000 | IEEE Standard Performance Characteristics and Dimensions for Outdoor Apparatus Bushings |
| IEEE C57.12.38-2014 | IEEE Standard for Pad-Mounted-Type, Self-Cooled, Single-Phase Distribution Transformers 250 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 V and Below; Low Voltage, 480/240 V and Below |
| IEEE C57.109-1993 | IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration |
| HD 60364-8-1:2015 | Low-voltage electrical installations - Part 8-1: Energy efficiency |
| IEEE C57.148-2011 | IEEE Standard for Control Cabinets for Power Transformers |
| IEC TR 62001-1:2016 | High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of AC filters - Part 1: Overview |
| IEEE C57.19.100-2012 REDLINE | IEEE Guide for Application of Power Apparatus Bushings |
| IEEE C37.302-2015 | IEEE Guide for Fault Current Limiter (FCL) Testing of FCLs Rated above 1000 V AC |
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| ANSI C57.12.25 : 1990 | 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 |
| IEEE C57.12.37-2015 REDLINE | IEEE Standard for the Electronic Reporting of Distribution Transformer Test Data |
| IEEE DRAFT C57.93 : D13 2005 | INSTALLATION AND MAINTENANCE OF LIQUID-IMMERSED POWER TRANSFORMERS |
| ANSI C57.12.24 : 2009 | TRANSFORMERS - UNDERGROUND-TYPE THREE-PHASE DISTRIBUTION TRANSFORMERS, 2500 KVA AND SMALLER; HIGH VOLTAGE, 34 500 GRDY/19 920 VOLTS AND BELOW; LOW VOLTAGE, 480 VOLTS AND BELOW - REQUIREMENTS |
| IEEE DRAFT C57.12.26 : 1992 | PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF-COOLED, THREE-PHASE DISTRIBUTION TRANSFORMERS FOR USE WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS, 34 500 GRDY/19 920 V AND BELOW; 2500 KVA AND SMALLER |
| IEEE DRAFT C57.12.44 : D2.1 2005 | REQUIREMENTS FOR SECONDARY NETWORK PROTECTORS |
| 15/30297998 DC : 0 | BS EN 62271-212 ED 1.0 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 212: COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATION (CEADS) |
| IEEE C57.119-2018 REDLINE | IEEE Recommended Practice for Performing Temperature Rise Tests on Liquid-Immersed Power Transformers at Loads Beyond Nameplate Ratings |
| IEEE 421.3-2016 REDLINE | IEEE Standard for High-Potential Test Requirements for Excitation Systems for Synchronous Machines |
| IEEE/IEC 60076-57-1202-2016 | IEC/IEEE International Standard Power transformers --Part 57-1202: Liquid immersed phase-shifting transformers |
| IEEE/IEC 60076-57-129-2017 | IEC/IEEE International Standard - Power transformers--Part 57-129: Transformers for HVDC applications |
| IEEE C57.12.20-2017 | 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 |
| IEEE/IEC 60076-16-2018 | IEC/IEEE International Standard - Power transformers - Part 16: Transformers for wind turbine applications |
| IEEE C57.109-2018 REDLINE | IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current Duration |
| IEEE C57.93-2019 | IEEE Guide for Installation and Maintenance of Liquid-Immersed Power Transformers |
| IEEE/IEC 60214-2-2019 | IEEE/IEC International Standard for TAP-changers --Part 2: Application guidelines |
| IEEE C57.12.70-2020 REDLINE | IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers |
| ANSI C57.12.27 : 1982 | LIQUID-FILLED DISTRIBUTION TRANSFORMERS USED IN PAD-MOUNTED INSTALLATIONS INCLUDING UNIT SUBSTATIONS CONFORMANCE STANDARD FOR, |
| NEMA TP 2-2005 | STANDARD TEST METHOD FOR MEASURING THE ENERGY CONSUMPTION OF DISTRIBUTION TRANSFORMERS |
| ANSI C57.12.13 : 1982 | LIQUID-FILLED TRANSFORMERS USED IN UNIT INSTALLATIONS INCLUDING UNIT SUBSTATIONS, CONFORMANCE STANDARD FOR |
| NEMA TR1 : 2013 | TRANSFORMERS, STEP VOLTAGE REGULATORS AND REACTORS |
| EEE 602 : 2007 | ELECTRIC SYSTEMS IN HEALTH CARE FACILITIES |
| IEEE DRAFT C57.12.23 : 1992 | TRANSFORMERS - UNDERGROUND-TYPE, SELF-COOLED, SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE, INSULATED, HIGH-VOLTAGE CONNECTORS; HIGH VOLTAGE (24 940 GRDY/14 400 V AND BELOW) AND LOW VOLTAGE (240/120 V, 167 KVA AND SMALLER) |
| IEEE C57.15-2009 REDLINE | IEEE Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators |
| IEEE C57.131-2012 | IEEE Standard Requirements for Tap Changers |
| PD IEC/TR 62001-1:2016 | High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters Overview |
| UFC 3-550-01 : CHANGE 1 | UNIFIED FACILITIES CRITERIA - EXTERIOR ELECTRICAL POWER DISTRIBUTION |
| IEEE C57.100-2011 | IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution and Power Transformers |
| IEEE DRAFT 1276 : D6.0 DEC 96 | DRAFT TRIAL USE GUIDE FOR THE APPLICATION OF HIGH TEMPERATURE INSULATION MATERIALS IN LIQUID-IMMERSED POWER TRANSFORMERS |
| IEEE 1276-1997 | IEEE Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Power Transformers |
| IEEE C57.116-2014 | IEEE Guide for Transformers Directly Connected to Generators |
| I.S. EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| UNE-HD 60364-8-1:2015 | Low-voltage electrical installations - Part 8-1: Energy efficiency |
| IEEE C57.12.39-2017 | IEEE Standard for Requirements for Distribution Transformer Tank Pressure Coordination |
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| IEEE 421.3-1997 | IEEE Standard for High-Potential Test Requirements for Excitation Systems for Synchronous Machines |
| CSA C802.3 : 2015 | MINIMUM EFFICIENCY VALUES FOR POWER TRANSFORMERS |
| IEEE C57.12.24-2009 | 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 |
| IEEE 638-2013 | IEEE Standard for Qualification of Class 1E Transformers for Nuclear Power Generating Stations |
| IEEE DRAFT C57.18.10 : D12 APR 97 | DRAFT PRACTICES AND REQUIREMENTS FOR SEMICONDUCTOR POWER RECTIFIER TRANSFORMER |
| ANSI C57.12.40 : 2011 | AMERICAN NATIONAL STANDARD FOR SECONDARY NETWORK TRANSFORMERS - SUBWAY AND VAULT TYPES (LIQUID IMMERSED) - REQUIREMENTS |
| CSA C802.1 : 2013 | MINIMUM EFFICIENCY VALUES FOR LIQUID-FILLED DISTRIBUTION TRANSFORMERS |
| IEC/IEEE 60076-57-129:2017 | Power transformers - Part 57-129: Transformers for HVDC applications |
| PD IEC/TR 62001:2009 | High-voltage direct current (HVDC) systems. Guidebook to the specification and design evaluation of A.C. filters |
| IEEE C57.12.23-2009 | IEEE Standard for Submersible Single-Phase Transformers: 167 kVA and Smaller; High Voltage 25 000 V and Below; Low Voltage 600 V and Below |
| IEC TR 62001:2009 | High-voltage direct current (HVDC) systems - Guidebook to the specification and design evaluation of A.C. filters |
| IEEE C57.12.35-2013 | IEEE Standard Bar Coding for Distribution Transformers and Step-Voltage Regulators |
| IEEE C57.17-2012 | IEEE Standard Requirements for Arc Furnace Transformers |
| BS IEC 60076-21:2011 | Power transformers Standard requirements, terminology, and test code for step-voltage regulators |
| IEEE C57.12.36-2007 | IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers |
| API 540 : 1999 : R2006 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
| IEC 62032:2012 | Guide for the Application, Specification and Testing of Phase-Shifting Transformers |
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| IEEE 242-2001 | IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book) |
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| IEEE C57.158-2017 | IEEE Guide for the Application of Tertiary and Stabilizing Windings in Power Transformers |
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| IEEE 487.2-2013 | IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations through the Use of Optical Fiber Systems |
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| I.S. EN 60076-3:2013 | POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR |
| IEEE C57.12.44-2014 | IEEE Standard Requirements for Secondary Network Protectors |
| IEEE C57.92-1981 | IEEE Guide for Loading Mineral-Oil-Immersed Power Transformers Up to and Including 100 MVA with 55 C or 65 C Average Winding Rise |
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| IEEE C57.159-2016 | IEEE Guide on Transformers for Application in Distributed Photovoltaic (DPV) Power Generation Systems |
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| IEEE C57.125-2015 | IEEE Guide for Failure Investigation, Documentation, Analysis, and Reporting for Power Transformers and Shunt Reactors |
| IEEE 295 : 1969 | STANDARD FOR ELECTRONIC POWER TRANSFORMERS |
| IEEE C57.91-2011 REDLINE | IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators |
| IEEE 62-1995 | IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus - Part 1: Oil Filled Power Transformers, Regulators, and Reactors |
| IEEE C37.91-2008 REDLINE | IEEE Guide for Protecting Power Transformers |
| IEEE 421B-1979 | IEEE Standard for High-Potential-Test Requirements for Excitation Systems for Synchronous Machines |
| IEEE C37.121-2012 | GUIDE FOR SWITCHGEAR - UNIT SUBSTATION - REQUIREMENTS |
| IEEE C57.12.40-2011 | IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/19 920 and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed) |
| IEEE C57.136 : 2000 | IEEE GUIDE FOR SOUND LEVEL ABATEMENT AND DETERMINATION FOR LIQUID-IMMERSED POWER TRANSFORMERS AND SHUNT REACTORS RATED OVER 500 KVA |
| IEEE C57.12.34-2015 REDLINE | IEEE Standard Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers, 10 MVA and Smaller; High-Voltage, 34.5 kV Nominal System Voltage and Below; Low-Voltage, 15 kV Nominal System Voltage and Below |
| CEI EN 60076-1 : 2015 | POWER TRANSFORMERS - PART 1: GENERAL |
| IEEE C57.19.04-2018 | IEEE Standard for Performance Characteristics and Dimensions for High Current Power Transformer Bushings with Rated Continuous Current in Excess of 5000 A in Bus Enclosures |
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| API 540:1999 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
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| IEC TR 62001-4:2016 | High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of AC filters - Part 4: Equipment |
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| BS EN 62271-212:2017 | High-voltage switchgear and controlgear Compact Equipment Assembly for Distribution Substation (CEADS) |
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| IEC 62271-212:2016 | High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS) |
| IEEE 241 : 1990 | ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS |
| IEEE DRAFT C57.12.90 : D5.1 98 | DRAFT STANDARD TEST CODE FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS |
| FM 3990 : 2018 | LESS OR NONFLAMMABLE LIQUID-INSULATED TRANSFORMERS |
| IEEE 1861-2014 | IEEE Guide for On-Site Acceptance Tests of Electrical Equipment and System Commissioning of 1000 kV AC and Above |
| IEEE DRAFT 1313.1 : D11 MAY 95 | INSULATION COORDINATION - DEFINITIONS, PRINCIPLES AND RULES |
| PD IEC/TR 62001-4:2016 | High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters Equipment |
| IEEE C57.138-1998 | IEEE Recommended Practice for Routine Impulse Test for Distribution Transformers |
| IEEE DRAFT C57.12.22 : D4 JUL 93 | PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF COOLED THREE PHASE DISTRIBUTION TRANSFORMERS WITH HIGH-VOLTAGE BUSHINGS, 2500 KVA AND SMALLER: HIGH VOLTAGE, 34 500 GRDY/19 920 VOLTS AND BELOW; LOW VOLTAGE, 480 VOLTS AND BELOW |
| IEEE 1653.1-2016 | IEEE Standard for Traction Power Rectifier Transformers for Substation Applications up to 1500 V DC Nominal Output |
| IEEE C57.119-2001 | IEEE Recommended Practice for Performing Temperature Rise Tests on Oil-Immersed Power Transformers at Loads Beyond Nameplate Ratings |
| C88-16 | Power transformers and reactors |
| BS EN 60076-3 : 2013 | POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR |
| IEEE 1277-2010 | IEEE Standard General Requirements and Test Code for Dry-Type and Oil-Immersed Smoothing Reactors for DC Power Transmission |
| IEEE 1313.1-1996 | IEEE Standard for Insulation Coordination - Definitions, Principles and Rules |
| IEEE 1590-2009 REDLINE | IEEE Recommended Practice for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Using Optical Fiber Systems |
| IEEE C57.93-2007 | IEEE Guide for Installation and Maintenance of Liquid-Immersed Power Transformers |
| IEEE C37.121-2012 REDLINE | IEEE Guide for Switchgear - Unit Substation - Requirements |
| IEEE C57.135-2011 | IEEE Guide for the Application, Specification, and Testing of Phase-Shifting Transformers |
| IEEE C57.129-2007 REDLINE | IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers |
| IEEE 1585 : 2002 | FUNCTIONAL SPECIFICATION OF MEDIUM VOLTAGE (1-35 KV) ELECTRONIC SERIES DEVICES FOR COMPENSATION OF VOLTAGE FLUCTUATIONS |
| IEEE 1388-2000 | IEEE Standard for the Electronic Reporting of Transformer Test Data |
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| IEEE C57.156-2016 | IEEE Guide for Tank Rupture Mitigation of Liquid-Immersed Power Transformers and Reactors |
| IEEE DRAFT C57.12.80 : D3 DEC 2000 | DRAFT STANDARD TERMINOLOGY FOR POWER AND DISTRIBUTION |
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| EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| EN 60076-3:2013/A1:2018 | POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR (IEC 60076-3:2013/A1:2018) |
| IEEE 1276-2020 REDLINE | IEEE Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.110-2018 | IEEE Recommended Practice for Establishing Liquid Immersed and Dry-Type Power and Distribution Transformer Capability when Supplying Nonsinusoidal Load Currents |
| IEEE C57.12.23-2018 REDLINE | IEEE Standard for Submersible Single-Phase Transformers:250 kVA and Smaller; High Voltage 34 500 GrdY/19 920 V and Below; Low Voltage 600 V and Below |
| IEEE 1277-2020 REDLINE | IEEE Standard General Requirements and Test Code for Dry-Type and Oil-Immersed Smoothing Reactors and for Dry-Type Converter Reactors for DC Power Transmission |
| IEEE C57.123-2019 | IEEE Guide for Transformer Loss Measurement |
| IEEE C57.12.40-2017 | IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed) |
| IEEE C57.19.01-2017 | IEEE Standard for Performance Characteristics and Dimensions for Power Transformer and Reactor Bushings |
| IEEE 1531-2020 REDLINE | IEEE Guide for the Application and Specification of Harmonic Filters |
| IEEE C57.12.36-2017 | IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers |
| IEEE 1036-2020 REDLINE | IEEE Guide for the Application of Shunt Power Capacitors |
| IEEE C57.13-2016 | IEEE Standard Requirements for Instrument Transformers |
| IEEE C57.12.90-2015 REDLINE | IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.138-2016 | IEEE Recommended Practice for Routine Impulse Tests for Distribution Transformers |
| IEEE C37.91-2021 REDLINE | IEEE Guide for Protecting Power Transformers |
| IEEE C57.140-2017 | IEEE Guide for Evaluation and Reconditioning of Liquid Immersed Power Transformers |
| IEEE C57.148-2020 REDLINE | IEEE Standard for Control Cabinets for Power Transformers |
| IEEE C57.12.24-2016 REDLINE | 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 |
| NEMA TR1 : 2013 | TRANSFORMERS, STEP VOLTAGE REGULATORS AND REACTORS |
| IEEE C57.19.100-2012 REDLINE | IEEE Guide for Application of Power Apparatus Bushings |
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| IEEE 32-1972 | IEEE Standard Requirements, Terminology, and Test Procedures for Neutral Grounding Devices |
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| IEEE/ANSI 315-1975 | IEEE Standard for Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters) |
| IEEE C57.12.36-2007 | IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers |
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