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IEEE C57.123 - Guide for Transformer Loss Measurement
November 7, 2019 - IEEE

This guide provides background information and general recommendations of instrumentation, circuitry, calibration, and measurement techniques of no-load losses (excluding auxiliary losses), excitation current, load losses of power, and distribution transformers. The test codes, namely,...

MIL-T-48319 - TRANSFORMER
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IEEE C57.138 - Recommended Practice for Routine Impulse Tests for Distribution Transformers
December 7, 2016 - IEEE

This recommended practice covers routine impulse tests performed on distribution transformers, as required in IEEE Std C57.12.00™, and described in 10.4 of IEEE Std C57.12.90™-20151. Distribution transformers covered by this recommended practice are liquid-immersed,...

IEEE 60076-57-1202 - Power transformers – Part 57-1202: Liquid immersed phase-shifting transformers
May 1, 2017 - IEEE

This part of IEC 60076 covers the requirements for phase-shifting transformers of all types. The scope excludes transformers with an unregulated phase shift. This document is limited to matters particular to phase-shifting transformers and does not include...

IEEE C57.12.70 - Standard Terminal Markings and Connections for Distribution and Power Transformers
September 24, 2020 - IEEE

This standard defines the terminal markings and connections for distribution, power, and regulating transformers covered in the IEEE C57™ series of standards, guides, and recommended practices. Purpose The standard provides a consistent method for terminal markings and connections for...

IEEE 60076-57-129 - Power transformers – Part 57-129: Transformers for HVDC applications
November 1, 2017 - IEEE

This part of 60076 International Standard specifies requirements of liquid-immersed three-phase and single-phase converter transformers for use in high voltage direct current (HVDC) power transmission systems including back-to-back applications. It applies to...

IEEE C57.98 - Guide for Transformer Impulse Tests
December 11, 2011 - IEEE

To aid in the interpretation and application of the impulse testing requirements of the IEEE Standard Test Codes for Transformers. Purpose This guide is written primarily for power transformers, but it is also generally applicable to distribution and instrument...

IEEE C57.13.5 - Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
November 7, 2019 - IEEE

This standard is intended for use as a supplement to IEEE Std C57.13TM-2016 and as a basis for performance and safety of equipment.1 It also describes test sequences, criteria, methods, and documentation for tests. This standard applies to single-phase instrument...

IEEE C57.153 - IEEE Guide for Paralleling Regulating Transforme
March 26, 2015 - IEEE

This paralleling guide describes and compares control methods of paralleling regulating transformers. The control methods include: master/follower, circulating current, power factor, circulating reactive current, and negative reactance methods. This guide presents operating philosophy...

IEEE C57.12.39 - Requirements for Distribution Transformer Tank Pressure Coordination
December 6, 2017 - IEEE

This standard covers certain mechanical requirements for liquid-immersed distribution transformers with respect to tank strength, as well as static and dynamic tank pressure mitigation. This standard can be applied to various tank configurations for distribution transformers. This...

IEEE C57.117 - Guide for Reporting Failure Data for Power Transformers and Shunt Reactors on Electric Utility Power Systems
June 19, 1986 - IEEE

Forward (This Foreword is not a part of ANSI/IEEE C57.117-1986, IEEE Guide for Reporting Failure Data for Power Transformers and Shunt Reactors on Electric Utility Power Systems.) The IEEE Transformer Reliability Working Group was formed in 1974 under the...

ANSI C57.12.14 - Trial-Use Standard for Dielectric Test Requirements for Power Transformers for Operation at System Voltages from 115 kV Through 230 kV
January 1, 1982 - IEEE

This standard prescribes insulation levels and dielectric test requirements for power transformers where: (1) The transformer insulation levels and dielectric test requirements are explicitly specified to be in accordance with this standard (2) The transformers are to be...

IEEE C57.94 - Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type Distribution and Power Transformers
December 5, 2015 - IEEE

This recommended practice covers general recommendations for the application, installation, operation, and maintenance of all single and polyphase ventilated, non-ventilated, and sealed dry-type distribution and power transformers or autotransformers, including those with solid-cast...

IEEE C57.129 - General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers
September 27, 2007 - IEEE

This standard specifies the electrical, mechanical, and physical requirements of oil-immersed single-phase and three-phase converter transformers. This standard does not apply to other devices, such as the following: ⎯ Arc furnace transformers ⎯ Rectifier...

ANSI C57.12.50 - 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
January 1, 1981 - IEEE

Foreword (This Foreword is not a part of 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, ANSI C57...

IEEE C57.12.23 - Submersible Single-Phase Transformers: 250 kVA and Smaller; High Voltage 34 500 GrdY/19 920 V and Below; Low Voltage 600 V and Below
December 5, 2018 - IEEE

This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of single-phase, 60 Hz, liquid-immersed, self-cooled, submersible distribution transformers with separable insulated high-voltage connectors...

IEEE C57.12.00 - General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
December 5, 2015 - IEEE

This standard describes electrical and mechanical requirements of liquid-immersed distribution and power transformers, and autotransformers and regulating transformers, single-phase and polyphase, with voltages of 601 V or higher in the highest voltage winding. This...

IEEE C57.12.01 - General Requirements for Dry-Type Distribution and Power Transformers
September 24, 2020 - IEEE

This standard describes electrical and mechanical requirements of single and polyphase ventilated, nonventilated, and sealed dry-type distribution and power transformers or autotransformers, with a voltage of 601 V or higher in the highest voltage winding. This standard applies to all...

IEEE C57.12.10 - Requirements for Liquid-Immersed Power Transformers
December 6, 2017 - IEEE

This voluntary consensus standard sets forth the requirements for power transformer application. This standard is intended to be used as a basis for performance, interchangeability, and safety of the equipment covered, and to assist in the proper selection of such equipment. This document is...

IEEE C57.144 - Guide for Metric Conversion of Transformer Standards
June 24, 2004 - IEEE

The intent of this guide is to assist the working groups within the IEEE Transformers Committee; thus, specific examples were taken from the transformer-related standards. It should be recognized that identification of general principles and procedures could have broader...

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