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Industry Applications Standards

Displaying results 801 - 840 of 941
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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 Superseded Standard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 Superseded Standard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 Superseded Standard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
C57.12.52-2012 - 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
C57.12.58-1991 - 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
C57.12.80-1978 - 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
C57.13-1978 - Standard Requirements for Instrument TransformersThis standard covers certain electrical, dimensional, and mechanical characteristics, and takes into consideration certain safety features of... Superseded Standard
C57.13-1993 - Standard Requirements for Instrument TransformersElectrical, dimensional, and mechanical characteristics are covered, taking into consideration certain safety features, for current and... Superseded Standard
C57.13-2008 - Standard Requirements for Instrument TransformersElectrical, dimensional, and mechanical characteristics are covered, taking into consideration certain safety features, for current and... Active Standard
C57.13.1-1981 - Guide for Field Testing of Relaying Current TransformersIn the application of protective relays, the most widely used input quantity is current. A multiplicity of different protective relays either... Superseded Standard
C57.13.1-2006 - Guide for Field Testing of Relaying Current TransformersThis guide describes field test methods that assure that current transformers are connected properly, are of marked ratio and polarity, and are in... Active Standard
C57.13.2-1986 - American National Standard Conformance Test Procedures for Instrument TransformersThe purpose of this standard is to cover conformance test requirements for current and inductively coupled voltage transformers used for... Superseded Standard
C57.13.2-1991 - Standard Conformance Test Procedures for Instrument TransformersConformance test requirements are provided for current and inductively-coupled voltage transformers used for measurement and control functions in... Withdrawn Standard
C57.13.2-2005 - Conformance Test Procedure for Instrument TransformersTest requirements for conducting conformance tests on instrument transformers used on 60 Hz primary systems with voltages from 600 V through 38 kV... Active Standard
C57.21-1981 - Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVAThis standard applies to all oil-immersed or dry-type, single-phase or three-phase outdoor or indoor shunt reactors rated 501 kVA and larger. It... Superseded Standard
C57.21-1990 - Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVAAll oil-immersed or dry-type, single-phase or three-phase, outdoor or indoor shunt reactors rated over 500 kVA are covered. Terminology and... Superseded Standard
C57.21-2008 - Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVAAll oil-immersed or dry-type, single-phase or three-phase, outdoor or indoor shunt reactors rated over 500 kVA are covered. Terminology and... Active Standard
C57.91-1981 - Guide for Loading Mineral-Oil-Immersed Overhead and Pad-Mounted Distribution Transformers Rated 500kVA and Less with 65 C or 55 C Average Winding RiseThis guide covers general recommendations for loading 65 degrees C rise mineral-oil-immersed overhead and pad-mounted distribution transformers... Superseded Standard
C57.91-1995 - Guide for Loading Mineral-Oil-Immersed TransformersIn this IEEE standard general recommendations for loading 65/spl deg/C rise mineral-oil-immersed distribution and power transformers are covered.... Superseded Standard
C57.91-2011 - Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage RegulatorsThis guide provides recommendations for loading mineral-oil-immersed transformers and step-voltage regulators with insulation systems rated for a... Active Standard
C57.92-1981 - Guide for Loading Mineral-Oil-Immersed Power Transformers Up to and Including 100 MVA with 55 C or 65 C Average Winding RiseThis guide covers general recommendations for loading mineral-oil-immersed power transformers, manufactured in accordance with ANSI C57.12.10-1976... Withdrawn Standard
C57.94-1982 - Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type General Purpose Distribution and Power TransformersThis recommended practice covers general recommendations for the application, installation, operation and maintenance of single and polyphase dry... Active Standard
C57.96-1989 - Guide for Loading Dry-Type Distribution and Power TransformersThe guide covers general recommendations for the loading of dry-type distribution and power transformers that have 80 degrees C, 115 degrees C,... Superseded Standard
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