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MIL-T-48319 - TRANSFORMER
NPFC
A description is not available for this item.
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...

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...

SAE AS20708/25 - Synchro, Control Transformer, Type 16CTB4B
October 1, 2017 - SAE

This specification covers the detail requirements for control transformer synchro, type 16CTB4b, 90 volt, 400 cycle.

SAE AS20708/39 - Synchro, Control Transformer, Type 19CTB4B
October 1, 2017 - SAE

This specification covers the detail requirements for control transformer synchro, type 19CTB4b, 90 volt, 400 cycle.

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 C57.123 - 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 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 C37.06.1 - Recommended Practice for Preferred Ratings for High-Voltage (>1000 volts) AC Circuit Breakers Designated Definite Purpose for Fast Transient Recovery Voltage Rise Times
December 6, 2017 - IEEE

This recommended practice is issued as a supplement to IEEE Std C37.06 for high-voltage circuit breaker applications where the transient recovery voltage (TRV) peak is higher and/or its rise to the crest value occurs more rapidly than those specified in IEEE Std C37.06. Purpose The...

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...

ANSI C57.12.55 - Transformers Used in Unit Installations, Including Unit SubstationsConformance Standard
January 1, 1987 - IEEE

Foreword (This Foreword is not part of Amencan National Standard C57.12.55-1987.) The High Voltage Apparatus Coordinating Committee (HVACC) was established July 24, 1972 by the Electrical and Electronic Technical Advisory Board (now superseded by the Electrical and Electronic Standards Management...

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...

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...

IEEE C57.12.40 - 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)
May 18, 2017 - IEEE

This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase, 60-Hz, liquid-immersed, self-cooled, network transformers with a primary grounding switch. These transformers are rated 2500 kVA...

IEEE 52 - Application Guide for GROUNDING OF INSTRUMENT TRANSFORMER SECONDARY CIRCUITS AND CASES
March 1, 1951 - IEEE

This Guide contains general and specific recommendations for grounding of the secondary circuits and cases of instrument, i.e., potential and current, transformers in all types of installations. These recommendations apply to all instrument transformers irrespective of the value of...

IEEE C57.110 - Recommended Practice for Establishing Liquid Immersed and Dry-Type Power and Distribution Transformer Capability when Supplying Nonsinusoidal Load Currents
June 14, 2018 - IEEE

This recommended practice applies only to two winding transformers covered by IEEE Std C57.12.00, IEEE Std C57.12.01, and NEMA ST20.1 It does not apply to rectifier transformers.2 Purpose The purpose of this document is to establish uniform methods for determining the...

IEEE PC57.105 DRAFT - Draft Guide for Application of Transformer Connections in Three-Phase Electrical Systems
August 1, 2018 - IEEE

This guide describes transformer connections and configurations in three-phase electrical systems, the characteristics of these various connections, and the possible operating problems under normal or abnormal conditions. All combinations of Delta and Wye, grounded and ungrounded, T...

IEEE C57.19.01 - Performance Characteristics and Dimensions for Power Transformer and Reactor Bushings
December 6, 2017 - IEEE

This standard covers electrical, dimensional, and related requirements for outdoor power apparatus bushings that have basic impulse insulation levels (BILs) of 150 kV and above. It provides specific values for dimensional and related requirements that are to be interpreted, measured, or tested in...

Transformer Design Principles
August 22, 2017 - CRC

In the newest edition, the reader will learn the basics of transformer design, starting from fundamental principles and ending with advanced model simulations. The electrical, mechanical, and thermal considerations that go into the design of a transformer are discussed with useful...

MIL-PRF-27/366 - TRANSFORMER, SWITCHING
July 4, 2018 - NPFC
A description is not available for this item.
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