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IEEE C57.123 - Guide for Transformer Loss Measurement
June 17, 2010 - 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, and load losses of power and distribution transformers. The test codes, namely,...

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 C57.105 - Guide for Application of Transformer Connections in Three-Phase Distribution Systems
June 2, 1977 - IEEE

Foreword (This Foreword is not a part of ANSI/IEEE C57.105-1978, American National Standard Guide for Application of Transformer Connections in Three-Phase Distribution Systems.) In the fall of 1968, a Working Group was formed by the Performance Characteristics Subcommittee of...

MIL-T-48319 - TRANSFORMER
NPFC
A description is not available for this item.
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 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 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 C57.12.70 - Standard Terminal Markings and Connections for Distribution and Power Transformers
December 7, 2011 - 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 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...

IEEE C57.13.5 - Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
September 11, 2009 - IEEE

This standard applies to single-phase instrument transformers of a nominal system voltage of 115 kV and above with capacitive insulation system for line-to-ground connection and for both indoor and outdoor application. This standard is intended for use as a supplement to IEEE...

IEEE C57.12.59 - Guide for Dry-Type Transformer Through-Fault Current Duration
September 3, 2015 - IEEE

This guide for dry-type transformer through-fault current duration applies to dry-type distribution and power transformers built in accordance with IEEE Std C57.12.01™.1 Purpose This guide sets forth recommendations believed essential for the application of overcurrent...

IEEE C57.109 - Guide for Liquid-Immersed Transformer Through-Fault-Current Duration
September 27, 2018 - IEEE

This guide applies to transformers referenced in IEEE Std C57.12.00 as Categories I, II, III, and IV.1 It sets forth recommendations essential for the application of overcurrent protective devices applied to limit the exposure time of transformers to short-circuit currents (see...

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...

IEEE C57.13.3 - Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
December 10, 2014 - IEEE

This guide contains general and specific recommendations for grounding current and voltage transformer secondary circuits and cases of connected equipment. The practices recommended apply to all transformers of this type, including capacitive voltage transformers and linear...

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 C57.12...

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

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 C57.12.37 - The Electronic Reporting of Distribution Transformer Test Data
September 3, 2015 - IEEE

This standard provides a basis for electronic reporting of transformer test data on liquid-immersed distribution transformers. This standard defines how to format and report the standard test data when electronic reporting is specified. In addition, it defines an extended set of data...

DSCC-DWG-82030 - TRANSFORMER, PULSE, LOW POWER
September 5, 2013 - DOD

This drawing describes the requirements for a low power pulse transformer. This drawing provides for a level of transformer quality and reliability assurance for acquisition of type TP7SXNNNNKZ low power pulse transformer in accordance with MIL-PRF-21038.

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