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Power and Energy Standards

Displaying results 1201 - 1240 of 1533
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C37.235-2007 - Guide for the Application of Rogowski Coils Used for Protective Relaying PurposesThis guide establishes criteria and requirements for application of Rogowski coils (RCs) (air-core current sensors) used for protective relaying... Active Standard
C37.236-2013 - Guide for Power System Protective Relay Applications Over Digital Communication ChannelsGuidance for the power system user in applying, installing and operating digital communication channels for the purpose of protective relaying is... Active Standard
C37.238-2011 - Standard Profile for Use of IEEE 1588 Precision Time Protocol in Power System ApplicationsA common profile for the use of Precision Time Protocol (PTP) of IEEE Std 1588-2008 in power system protection, control, automation, and data... Superseded Standard
C37.238-2017 - Standard Profile for Use of IEEE 1588 Precision Time Protocol in Power System ApplicationsAn extended profile is specified for the use of Precision Time Protocol of IEEE Std 1588-2008 in power system protection, control, automation, and... Active Standard
C37.239-2010 - Common Format for Event Data Exchange (COMFEDE) for Power SystemsA common format for data files used for the interchange of various types of event data collected from electrical power systems or power system... Active Standard
C37.240-2014 - Standard Cybersecurity Requirements for Substation Automation, Protection, and Control SystemsCybersecurity measures require that a balance be achieved between technical feasibility and economic feasibility and that this balance addresses... Active Standard
C37.242-2013 - Guide for Synchronization, Calibration, Testing, and Installation of Phasor Measurement Units (PMUs) for Power System Protection and ControlGuidance for synchronization, calibration, testing, and installation of phasor measurement units (PMUs) applied in power systems is provided. The... Active Standard
C37.243-2015 - Guide for Application of Digital Line Current Differential Relays Using Digital CommunicationA comprehensive guide to practical line current differential schemes using digital communications. Operating principles, synchronization methods,... Active Standard
C37.244-2013 - Guide for Phasor Data Concentrator Requirements for Power System Protection, Control, and MonitoringThe functional, performance, and testing guidelines for a phasor data concentrator are described in this guide. Supporting information is also... Active Standard
C37.301-2009 - High-Voltage Switchgear (Above 1000 V) Test Techniques--Partial Discharge MeasurementsThis standard adopts IEC 60270:2000 and defines methods of measuring partial discharges that may occur in energized power switchgear apparatus, in... Active Standard
C37.302-2015 - Guide for Fault Current Limiter (FCL) Testing of FCLs Rated above 1000 V ACThe testing of fault current limiters (FCLs) operating on condition-based impedance increase for AC systems 1000 V and above is described in this... Active Standard
C50.10-1977 - American National Standard General Requirements for Synchronous MachinesThe requirements for synchronous machines with excitation windings are covered by three American National Standards as follows: American National... Withdrawn Standard
C50.12-2005 - Salient-Pole 50 Hz and 60 Hz Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications Rated 5 MVA and AboveThe requirements in this standard apply to all types of 50 Hz and 60 Hz salient-pole synchronous generators and generator/motors rated 5 MVA and... Active Standard
C50.13-1977 - American National Standard Requirements for Cylindrical-Rotor Synchronous GeneratorsRequirements for 60-Hz cylindrical-rotor synchronous generators, except those covered in standard C50.14-1977, are set forth. The standard covers... Superseded Standard
C50.13-2005 - Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and AboveThe requirements in this standard are applied to 50 Hz and 60 Hz, two-pole and fourpole, cylindrical-rotor synchronous generators driven by steam... Superseded Standard
C50.13-2014 - Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and AboveThe requirements in this standard are applied to 50 Hz and 60 Hz, two-pole and four pole, cylindrical-rotor synchronous generators driven by steam... Active Standard
C50.14-1977 - American National Standard Requirements for Combustion Gas Turbine Driven Cylindrical Rotor Synchronous GeneratorsThe requirements in this standard apply to 60 Hz open-ventilated air-cooled cylindrical rotor synchronous generators rated 10,000 kVA and above.... Withdrawn Standard
C57.12.00-1987 - Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating TransformersThis standard is a basis for the establishment of performance, limited electrical and mechanical interchangeability, and safety requirements of... Superseded Standard
C57.12.00-1993 - Standard General Requirements for Liquid-Immersed Distribution, Power and Regulating TransformersElectrical, mechanical, and safety requirements are set forth for liquid-immersed distribution and power transformers, and autotransformers and... Superseded Standard
C57.12.00-2000 - Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating TransformersElectrical, mechanical, and safety requirements are set forth for liquid-immersed distri-bution and power transformers, and autotransformers and... Superseded Standard
C57.12.00-2006 - Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating TransformersElectrical, mechanical, and safety requirements are set forth for liquid-immersed distribution and power transformers, and autotransformers and... Superseded Standard
C57.12.00-2010 - General Requirements for Liquid-Immersed Distribution, Power, and Regulating TransformersElectrical and mechanical requirements for liquid-immersed distribution and power transformers, and autotransformers and regulating transformers;... Superseded Standard
C57.12.00-2015 - General Requirements for Liquid-Immersed Distribution, Power, and Regulating TransformersElectrical and mechanical requirements for liquid-immersed distribution and power transformers, and autotransformers and regulating transformers;... Active Standard
C57.12.01-1989 - Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin-Encapsulated WindingsThis standard describes electrical, mechanical, and safety requirements of ventilated, nonventilated, and sealed dry-type distribution and power... Withdrawn Standard
C57.12.01-1998 - Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin Encapsulated WindingsElectrical, mechanical and safety requirements of ventilated, nonventilated and sealed dry-type distribution and power transformers or... Superseded Standard
C57.12.01-2005 - Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin Encapsulated WindingsElectrical, mechanical, and safety requirements of ventilated, non-ventilated, and sealed dry-type distribution and power transformers or... Superseded Standard
C57.12.01-2015 - General Requirements for Dry-Type Distribution and Power TransformersElectrical and mechanical requirements of ventilated, non-ventilated, and sealed dry-type distribution and power transformers or autotransformers ... Active Standard
C57.12.10-2010 - Standard Requirements for Liquid-Immersed Power TransformersThis standard sets forth the requirements for power transformer application. This standard is intended to be used as a basis for performance,... Active Standard
C57.12.10-2010/Cor 2-2013 - Standard Requirements for Liquid-Immersed Power Transformers -- Corrigendum 2: Correction of A.3.2.13 Autotransformer LTC application considerationsRequirements for power transformer application are set forth in this standard. It is intended to be used as a basis for performance,... Active Standard
C57.12.11-1980 - Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger, 69-287 kV Rating)Increasing application of large capacity high-voltage transformers with reduced insulation has brought forth the parallel need for increasing care... Superseded Standard
C57.12.12-1980 - Guide for Installation of Oil-Immersed EHV Transformers 345 kV and AboveThe higher dielectric stresses required for extra-high-voltage (EHV) transformers, combined with thermal problems arising from their usually... Superseded Standard
C57.12.14-1982 - Trial-Use Dielectric Test Requirements for Power Transformers for Operation at System Voltages from 115 kV Through 230 kVThis standard prescribes insulation levels and dielectric test requirements for power transformers where: (1) The transformer insulation levels... Withdrawn Standard
C57.12.20-1997 - American National Transformers - Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage 34500 Volts and Below: Low Voltage, 7970/13800Y Volts and BelowSuperseded by IEEE Std C57.12.20-2005.This standard covers certain electrical, dimensional, and mechanical characteristics and takes into... Superseded Standard
C57.12.20-2005 - Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34500 Volts and Below; Low Voltage, 7970/13800Y Volts and BelowThis standard covers certain electrical, dimensional, and mechanical characteristics and safety features of singleand three-phase, 60 Hz, mineral... Superseded Standard
C57.12.20-2011 - Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and BelowCertain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60 Hz, mineral-oil-immersed, self... Active Standard