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Power and Energy Standards

Displaying results 1081 - 1120 of 1309
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C57.12.35-1996 - Bar Coding for Distribution TransformersBar code label requirements for overhead, pad-mounted, and underground-type distribution transformers are set forth in this standard. Included... Superseded Standard
C57.12.35-2007 - Bar Coding for Distribution Transformers and Step-Voltage RegulatorsThis IEEE standard for bar code label requirements for specific types of distribution transformers and step-voltage regulators. Data content for... Superseded Standard
C57.12.35-2013 - Standard Bar Coding for Distribution Transformers and Step-Voltage RegulatorsBar code label requirements for specific types of distribution transformers and step-voltage regulators are covered in this standard. Data content... Active Standard
C57.12.36-2007 - Standard Requirements for Liquid-Immersed Distribution Substation TransformersSmall power transformers have become a significant element in distribution systems supplying large commercial customers like major resort hotels... Active Standard
C57.12.37-2006 - the Electronic Reporting of Distribution Transformer Test DataThis standard provides a basis for the electronic reporting of transformer test data on liquid immersed distribution transformers as defined in... Active Standard
C57.12.38-2009 - Pad-Mounted-Type, Self-Cooled, Single-Phase Distribution Transformers; High Voltage, 34 500 GrdY/19 920 V and Below, Low Voltage, 240/120 V; 167 kVA and SmallerThis standard covers certain electrical, dimensional, mechanical characteristics and safety requirements of single-phase, 60 Hz, liquid-filled,... Superseded Standard
C57.12.38-2014 - 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 BelowCertain electrical, dimensional, and mechanical characteristics are covered in this standard, and certain safety features of single-phase, 60-Hz,... Active Standard
C57.12.40-2006 - Requirements for Secondary Network Transformers, Subway and Vault Types (Liquid-Immersed)This standard is intended for use as a basis for establishing the performance, interchangeability, and safety of the equipment covered and to... Active Standard
C57.12.40-2011 - 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)This standard is intended for use as a basis for establishing the performance, interchangeability, and safety of the equipment covered and to... Active Standard
C57.12.44-1994 - Standard Requirements for Secondary Network ProtectorsThe performance, electrical and mechanical interchangeability as well as the safety of the equipment are covered in this IEEE standard. The proper... Superseded Standard
C57.12.44-2000 - Standard Requirements for Secondary Network ProtectorsThe performance, electrical and mechanical interchangeability, and the safety of the equipment are covered. The proper selection of such equipment... Superseded Standard
C57.12.44-2005 - Standard Requirements for Secondary Network ProtectorsThe performance, electrical and mechanical interchangeability, and the safety of the equipment are covered. The proper selection of such equipment... Superseded Standard
C57.12.44-2014 - Standard Requirements for Secondary Network ProtectorsThe performance, electrical and mechanical interchangeability, and the safety of the equipment are covered. The proper selection of such equipment... Active Standard
C57.12.51-2008 - Ventilated Dry- Type Power Transformers, 501 kVA and Larger, Three-Phase, with High- Voltage 601 V to 34 500 V; Low- Voltage 208Y/120 V to 4160 V- General RequirementsCharacteristics relating to performance, limited electrical and mechanical interchangeability, as well as safety of the equipment described, and... Active Standard
C57.12.52-2012 - Sealed Dry-Type Power Transformers, 501 kVA and Higher, Three-Phase, with High-Voltage 601 to 34500 Volts, Low-Voltage 208Y/120 to 4160 Volts—General RequirementsCharacteristics relating to performance, limited electrical and mechanical interchangeability, and guidance to assist in the proper selection of... Active Standard
C57.12.56-1986 - Standard Test Procedure for Thermal Evaluation of Insulation Systems for Ventilated Dry-Type Power and Distribution TransformersThis standard is intended to establish a uniform method for determining the temperature classification of ventilated dry-type power and... Superseded Standard
C57.12.58-1991 - Guide for Conducting a Transient Voltage Analysis of a Dry-Type Transformer CoilGeneral recommendations for measuring voltage transients in dry-type distribution and power transformers are provided. Recurrent surge voltage... Active Standard
C57.12.59-1989 - Guide for Dry-Type Transformer Through-Fault Current DurationProtective devices, such as relays and fuses, have well-defined operating characteristics that relate fault magnitude to operating time. It is... Withdrawn Standard
C57.12.59-2001 - Guide for Dry-Type Transformer Through-Fault Current DurationThis guide sets forth recommendations believed essential for the application of overcurrent protective devices that limit the exposure time of dry... Active Standard
C57.12.60-1992 - Trial-Use Standard Test Procedures for Thermal Evaluation of Insulation Systems for Solid-Cast and Resin-Encapsulated Power and Distribution TransformersThis standard provides a uniform method for determining the temperature classification of solid cast and resin encapsulated power and distribution... Superseded Standard
C57.12.60-1998 - Guide for Test Procedures for Thermal Evaluation of Insulation Systems for Solid Cast and Resin-Encapsulated Power and Distribution TransformersA uniform method is established for determining the temperature classification of solid-cast and resin-encapsulated power and distribution... Superseded Standard
C57.12.60-2009 - Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated TransformersA uniform method is established for determining the temperature classification for the insulation systems for open-wound, solid-cast and resin... Active Standard
C57.12.60-2009/Cor 1-2013 - Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated TransformersThis corrigendum clarifies temperature control for aging experiments in 4.5.1 that was a result of the combination of the two previous test... Active Standard
C57.12.70-1978 - American National Standard Terminal Markings and Connections for Distribution and Power TransformersANSI C57.12.70-1978 [Revision of ANSI C57.12.70-1964 (R 1971)] American National Standard Terminal Markings and Connections for Distribution and... Superseded Standard
C57.12.70-2000 - Standard Terminal Markings and Connections for Distribution and Power TransformersStandard terminal markings and connections are described for single-phase and three-phase distribution, power, and regulating transformers. For... Superseded Standard
C57.12.70-2011 - Standard Terminal Markings and Connections for Distribution and Power TransformersStandard terminal markings and connections are described for single-phase and three phase distribution, power, and regulating transformers. For... Active Standard
C57.12.80-1978 - Standard Terminology for Power and Distribution TransformersThis standard is a compilation of terminology and definitions primarily related to electrical transformers and associated apparatus included... Superseded Standard
C57.12.80-2002 - Standard Terminology for Power and Distribution TransformersThis standard is a compilation of terminology and definitions primarily related to electric power and distribution transformers and associated... Superseded Standard
C57.12.80-2010 - Standard Terminology for Power and Distribution TransformersThis standard is a compilation of terminology and definitions related to electric power and distribution transformers and associated apparatus. It... Active Standard
C57.12.90-1987 - Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers and IEEE Guide for Short-Circuit Testing of Distribution and Power TransformersThe standard describes methods for performing tests on liquid-immersed distribution, power and regulating transformers. It is intended for use as... Superseded Standard
C57.12.90-1993 - Standard Test Code for Liquid-Immersed Distribution, Power and Regulating Transformers and IEEE Guide for Short-Circuit Testing of Distribution and Power TransformersMethods for performing tests specified in IEEE Std C57.12.00-1993, IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and... Superseded Standard
C57.12.90-1999 - Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating TransformersMethods for performing tests specified in IEEE Std C57.12.00-1993 and other standards applicable to liquid-immersed distribution, power, and... Superseded Standard
C57.12.90-2006 - Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating TransformersMethods for performing tests specified in IEEE Std C57.12.00™-2006 and other standards applicable to liquid-immersed distribution, power, and... Superseded Standard
C57.12.90-2010 - Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating TransformersMethods for performing tests specified in IEEE Std C57.12.00(TM) and other standards applicable to liquid-immersed distribution, power, and... Active Standard
C57.12.91-1979 - Standard Test Code for Dry-Type Distribution and Power TransformersThis standard describes methods for performing tests specified in ANSI/IEEE C57.12.01-1979, general requirements for dry-type distribution and... Superseded Standard
C57.12.91-1995 - Standard Test Code for Dry-Type Distribution and Power TransformersMethods for performing tests specified in IEEE Std C57.12.01-1989 and other referenced standards applicable to dry-type distribution and power... Superseded Standard
C57.12.91-2001 - Standard Test Code for Dry-Type Distribution and Power TransformersMethods for performing tests specified in IEEE Std C57.12.01-1998 and other referenced standards applicable to dry-type distribution and power... Superseded Standard
C57.12.91-2011 - Standard Test Code for Dry-Type Distribution and Power TransformersThis revision addresses substantive changes to Clause 5, 10 and 11 This revision addresses substantive changes to Clause 5, Clause 10, and Clause... Active Standard