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IEEE - IEEE C62.44 - IEEE GUIDE FOR THE APPLICATION OF LOW- VOLTAGE (1000 V RMS OR LESS) SURGE PROTECTIVE DEVICES USED ON SECONDARY DISTRIBUTION SYSTEMS (BETWEEN THE TRANSFORMER LOW-VOLTAGE TERMINALS AND THE LINE SIDE OF THE SERVICE EQUIPMENT) Organization: IEEE
Date: 2016-12-07
NEMA TR 1 - TRANSFORMERS, STEP VOLTAGE REGULATORS AND REACTORS Organization: NEMA
Date: 2013-01-01
Description: In addition, this publication includes certain NEMA standard test methods, test codes, properties, etc. of liquidimmersed transformers, step-voltage regulators, and reactors that are not IEEE standards.
CSA C9 - DRY-TYPE TRANSFORMERS - FOURTH EDITION Organization: CSA
Date: 2002-01-01
Description: Note: For information on the loading of dry-type transformers, see ANSI/IEEE C57.96. This Standard deals with the standardization of voltage ratings, kV•A capacities, other electrical features, certain mechanical features, and test procedures.
IEEE - IEEE C57.13 - REQUIREMENTS FOR INSTRUMENT TRANSFORMERS Organization: IEEE
Date: 2016-01-29
Description: Purpose The purpose of this standard is to provide the performance requirements for electrical system and test interchangeability of current and inductively coupled voltage transformers. These transformers are for both indoor and outdoor application.
IEEE - IEEE C57.123 - GUIDE FOR TRANSFORMER LOSS MEASUREMENT Organization: IEEE
Date: 2010-06-17
Description: 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 Std C57.12.90TM, IEEE Std C57.12.91TM, and the test code section of IEEE Std C57.15TM, provide specifications and requirements for conducting these tests.
IEEE - IEEE 295 - STANDARD FOR ELECTRONICS POWER TRANSFORMERS Organization: IEEE
Date: 1969-01-01
Description: Rectifier supply transformers for either high- or low-voltage supplies.Filament and cathode heater transformers.Transformers for alternating current resonant charging circuits.
IEEE - IEEE C57.12.58 - GUIDE FOR CONDUCTING A TRANSIENT VOLTAGE ANALYSIS OF A DRY-TYPE TRANSFORMER COIL Organization: IEEE
Date: 1991-06-27
Description: The Dry-Type Dielectric Working Group was formed by the Transformers Committee of the IEEE Power Engineering Society to determine standard methods for examining the impulse voltage distribution within dry-type transformer windings; to establish a means for defining the location and magnitude of maximum voltage stress in a dry-type transformer coil; and to support other committee activities, such as the Thermal Evaluation Working Group (C57.12.56).
IEEE - IEEE C57.91 - GUIDE FOR LOADING MINERAL-OIL-IMMERSED TRANSFORMERS AND STEP-VOLTAGE REGULATORS Organization: IEEE
Date: 2011-12-07
Description: This guide applies to transformers manufactured in accordance with IEEE Std C57.12.001 and tested in accordance with IEEE Std C57.12.90, and step-voltage regulators manufactured and tested in accordance with IEEE Std C57.15. Because a substantial population of transformers and step-voltage regulators with insulation systems rated for 55 °C average winding temperature rise at rated load are still in service, recommendations that are specific to this equipment are also included.
IEEE - IEEE C57.13.5 - PERFORMANCE AND TEST REQUIREMENTS FOR INSTRUMENT TRANSFORMERS OF A NOMINAL SYSTEM VOLTAGE OF 115 KV AND ABOVE Organization: IEEE
Date: 2009-09-11
Description: Purpose The purpose of this standard is to supplement the IEEE Std C57.13-2008, with specific requirements 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 applications.
IEEE - IEEE C57.13.6 - STANDARD FOR HIGH-ACCURACY INSTRUMENT TRANSFORMERS Organization: IEEE
Date: 2005-09-22
Description: This standard defines one new 0.15 accuracy class for voltage transformers, two new 0.15 accuracy classes for current transformers, two new current transformer burdens, and two new current transformer routine accuracy test methods.
IEEE - IEEE C37.108 - GUIDE FOR THE PROTECTION OF NETWORK TRANSFORMERS Organization: IEEE
Date: 2002-03-21
Description: They have relied upon remote detection and interruption for transformer faults and low-voltage devices, such as transformer fuse links and low-voltage cable limiters, to provide a measure of low-voltage bus fault protection.
IEEE - 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 - REPLACES NEMA C57.12.50-1981 Organization: IEEE
Date: 1981-01-01
Description: It is also applicable from 601-2400 volts, but not for high voltages 600 volts and below, since American National Standards Committee C89 on Specialty Transformers has responsibility for transformers with high voltages 600 volts and below.
IEEE - IEEE C57.12.91 - TEST CODE FOR DRY-TYPE DISTRIBUTION AND POWER TRANSFORMERS Organization: IEEE
Date: 2011-12-07
Description: This standard applies to all dry-type transformers except instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, and mine transformers.
IEEE - IEEE C57.12.90 - TEST CODE FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS Organization: IEEE
Date: 2015-12-05
Description: This standard applies to all liquid-immersed transformers, except instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, grounding transformers, and mine transformers.
IEEE - IEEE C57.12.01 - GENERAL REQUIREMENTS FOR DRY-TYPE DISTRIBUTION AND POWER TRANSFORMERS Organization: IEEE
Date: 2015-02-16
Description: 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.
IEEE - IEEE 638 - QUALIFICATION OF CLASS 1E TRANSFORMERS FOR NUCLEAR POWER GENERATING STATIONS Organization: IEEE
Date: 2013-12-11
Description: Purpose The purpose of this standard is to provide specific qualification procedures for Class lE transformers to demonstrate their capability to meet the requirements of IEEE Std 323. The transformer shall perform its intended function under all specified service conditions.
IEEE - ANSI C57.12.55 - TRANSFORMERS USED IN UNIT INSTALLATIONS, INCLUDING UNIT SUBSTATIONSCONFORMANCE STANDARD - REPLACES NEMA C57.12.55-1987 Organization: IEEE
Date: 1987-01-01
Description: This document refers to the proposed revision of American National Standard for Dry-Type Transformers, ANSI/IEEE C57.12.01-1979 (now in preparation).This document includes Appendixes A and B, outlining procedures recommended for qualifying insulation systems; related material is covered in American National Standard Test for Thermal Evaluation of Insulation Systems for Ventilated Dry-Type Power and Distribution Transformers, ANSI/IEEE C57.12.56-1984.
IEEE - IEEE PC62.69 DRAFT - DRAFT STANDARD FOR THE SURGE PARAMETERS OF ISOLATING TRANSFORMERS USED IN NETWORKING DEVICES AND EQUIPMENT Organization: IEEE
Date: 2014-05-01
Description: This standard sets terms, test methods, test circuits, measurement procedures and preferred result values for the surge parameters of isolating transformers used in networking devices and equipment three types of isolating transformer are considered; mains low frequency power, high frequency power (switching mode power supplies) and signal (eg Ethernet data) the surge parameters of the isolating transformer insulation barrier covered by this standard are: - Rated impulse voltage - Input winding to output winding capacitance - insulation resistance Additional parameters for signal isolating transformers are: - Core saturation voltage-time product Purpose The main purpose of this standard is to define a series of transformer impulse withstand voltage ratings that are higher than those of IEEE Std 802.3TM [B6]1 with the intent to improve transformer insulation performance in uncontrolled environments.
IEEE - IEEE C62.69 - THE SURGE PARAMETERS OF ISOLATING TRANSFORMERS USED IN NETWORKING DEVICES AND EQUIPMENT Organization: IEEE
Date: 2016-01-29
Description: Purpose The main purpose of this standard is to define a series of transformer impulse withstand voltage ratings that are higher than those of IEEE Std 802.3™ [B21]1 with the intent to improve transformer insulation performance in uncontrolled environments.
IEEE - ANSI C57.12.12 - GUIDE FOR INSTALLATION OF OIL-IMMERSED EHV TRANSFORMERS 345 KV AND ABOVE - SUPPLEMENT TO ANSI/IEEE C57.12.11-1980 Organization: IEEE
Date: 1980-01-01
Description: This guide is a supplement to ANSI/IEEE C57.12.11- 1980, Guide for Installation of Oil-Immersed Transformers [ l ] ,1 which is basic to transformer installation procedures.

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