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Power and Energy Standards

Displaying results 921 - 960 of 1314
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C37.60-2012 - /IEC High-voltage switchgear and controlgear - Part 111: Automatic circuit reclosers and fault interrupters for alternating current systems up to 38 kVThis part of IEC 62271 applies to all overhead, pad mounted, dry vault and submersible single or multi-pole alternating current automatic circuit... Active Standard
C37.61-1973 - Standard Guide for the Application, Operation, and Maintenance of Automatic Circuit ReclosersInformation on the selection, application, operation, and maintenance of single-or multi-pole AC automatic circuit reclosers is provided. The... Withdrawn Standard
C37.63-1984 - Standard Requirements for Overhead, Pad-Mounted, Dry-Vault, and Submersible Automatic Line Sectionalizers for AC SystemsThis standard applies to all overhead, pad-mounted, dry-vault, and submersible single-pole or multipole ac automatic line sectionalizers for rated... Superseded Standard
C37.63-1997 - Standard Requirements for Overhead, Pad-Mounted, Dry-Vault and Submersible Automatic Line Sectionalizers for AC SystemsRequired definitions (for cutout type sectionalizers), ratings, procedures for performing design tests and production tests, constructional... Superseded Standard
C37.63-2005 - Standard Requirements for Overhead, Pad-Mounted, Dry-Vault, and Submersible Automatic Line Sectionalizers for AC SystemsRequired definitions (for cutout type sectionalizers), ratings, procedures for performing design tests and production tests, constructional... Superseded Standard
C37.63-2013 - Standard Requirements for Overhead, Pad-Mounted, Dry-Vault, and Submersible Automatic Line Sectionalizers for Alternating Current Systems Up to 38 kVRequired definitions, ratings, procedures for performing design tests and production tests, constructional requirements, and application... Active Standard
C37.66-2005 - Standard Requirements for Capacitor Switches for AC Systems (1 kV to 38 kV)Required definitions, ratings, and procedures for performing design tests, production tests, and construction requirements for capacitor switches... Active Standard
C37.71-1984 - Three-Phase, Manually Operated Subsurface Load Interrupting Switches for Alternating-Current SystemsThis standard applies to three-phase group-operated 60-Hz subsurface load-interrupting switches with maximum ratings of 600 A and 38 kV that... Superseded Standard
C37.71-2001 - Three-Phase Manually Operated Subsurface and Vault Load-Interrupting Switches for Alternating-Current SystemsRequirements are given for three-phase group operated subsurface and vault load-interrupting switchgear with maximum ratings of 600 A and 38 kV,... Superseded Standard
C37.73-1998 - Standard Requirements for Pad-Mounted Fused SwitchgearRequirements for assemblies of single-phase and three-phase, dead-front and live-front, pad-mounted, load-interrupter switches with expulsion,... Superseded Standard
C37.74-2003 - Standard Requirements for Subsurface, Vault, and Padmounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems up to 38 kVRequired definitions, ratings, procedures for performing design tests and production tests, and construction requirements for subsurface, vault,... Superseded Standard
C37.74-2014 - Standard Requirements for Subsurface, Vault, and Padmounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems up to 38 kVRequired definitions, ratings, procedures for performing design tests and production tests, and construction requirements for subsurface, vault,... Active Standard
C37.081-1981 - Guide for Synthetic Fault Testing of AC High-Voltage Circuit Breakers Rated on a Symmetrical Current BasisThis guide is intended to provide a basis for synthetic testing of circuit breakers and to establish the criteria for testing to demonstrate the... Active Standard
C37.81-1989 - Guide for Seismic Qualification of Class 1E Metal-Enclosed Power Switchgear AssembliesThis guide provides requirements and guidance for the seismic qualification of metal-enclosed power switchgear assemblies including switching,... Active Standard
C37.081a-1997 - Supplement to Guide for Synthetic Fault Testing of AC High Voltage Circuit Breakers Rated on a Symmetrical Current BasisThe transient recovery voltage needs to be modified when interrupting asymmetrical currents. The voltage rate R, the peak voltage E/sub 2/ and the... Active Standard
C37.082-1982 - Standard Methods for the Measurement of Sound Pressure Levels of AC Power Circuit BreakersGuidelines for uniform measurement and reporting of sound produced by AC power circuit breakers are established. The methods are intended for... Superseded Standard
C37.82-1987 - the Qualification of Switchgear Assemblies for Class 1E Applications in Nuclear Power Generating StationsThe methods and requirements for qualifying switchgear assemblies for indoor areas outside the containment in nuclear power generating stations... Active Standard
C37.083-1999 - Guide for Synthetic Capacitive Current Switching Tests of AC High-Voltage Circuit BreakersAs an aid in testing circuit breakers under conditions of switching capacitive currents synthetic test circuits may be used. The design of the... Active Standard
C37.90-1989 - Relays and Relay Systems Associated with Electric Power ApparatusThis standard applies only to relays and relay systems used to protect and control power apparatus. The purpose of this standard is to specify... Superseded Standard
C37.90-2005 - Relays and Relay Systems Associated with Electric Power ApparatusService conditions, electrical ratings, thermal ratings, and testing requirements are defined for relays and relay systems used to protect and... Active Standard
C37.90.1-1974 - Standard Surge Withstand Capability Test For Proctective Relays and Relay SystemsThe development of the transistor resulted in semiconductor components being used in both relay and communication equipment. However, it was... Superseded Standard
C37.90.1-1989 - Standard Surge Withstand Capability (SWC) Tests for Protective Relays and Relay SystemsThese surge withstand capability (SWC) tests are design tests intended for protective relays and relay systems, including those incorporating... Superseded Standard
C37.90.1-2002 - Standard Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power ApparatusTwo types of design tests for relays and relay systems that relate to the immunity of this equipment to repetitive electrical transients are... Superseded Standard
C37.90.1-2012 - Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power ApparatusTwo types of design tests for relays and relay systems that relate to the immunity of this equipment to repetitive electrical transients are... Active Standard
C37.90.2-1987 - Trial-Use Standard Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from TransceiversEstablishes a common reference and test procedure for evaluating the performance of static protective and control relays used in electric power... Superseded Standard
C37.90.2-1995 - Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from TransceiversA design test to evaluate the susceptibility of protective relays to single-frequency electromagnetic fields in the radio frequency domain, such... Superseded Standard
C37.90.2-2004 - Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from TransceiversDesign tests for relays and relay systems that relate to the immunity of this equipment to Radiated Electromagnetic Interference from Transceivers... Active Standard
C37.90.3-2001 - Standard Electrostatic Discharge Tests for Protective RelaysThis standard describes test procedure, test point selection, test level, and acceptance criteria for repeatable electrostatic discharge immunity... Active Standard
C37.91-2000 - Guide for Protective Relay Applications to Power TransformersThe protection of power transformers is covered; various electrical protection schemes are explored; and guidelines are given for the application... Superseded Standard
C37.91-2008 - Guide for Protecting Power TransformersThis guide is intended to provide protection engineers and other readers with guidelines for protecting three-phase power transformers of more... Active Standard
C37.92-2005 - Analog Inputs to Protective Relays From Electronic Voltage and Current TransducersElectronic devices that develop or utilize analog signals are not presently covered by standards. This Standard provides interface connectivity of... Active Standard
C37.93-1987 - Guide for Power System Protective Relay Applications of Audio Tones over Telephone ChannelsThe guide contains information and recommendations for applying audio tones over telephone channels for power system relaying. Included are... Superseded Standard
C37.93-2004 - Guide for Power System Protective Relay Applications of Audio Tones Over Voice Grade ChannelsGuidelines for applying audio tones over voice grade channels for power system relaying are provided in this document, including transmitting and... Active Standard
C37.94-2002 - N Times 64 Kilobit Per Second Optical Fiber Interfaces Between Teleprotection and Multiplexer EquipmentAn optical interface for use between teleprotection and digital multiplexer equipment that can operate at a data rate of N times 64 kilobit per... Active Standard
C37.95-1989 - Guide for Protective Relaying of Utility-Consumer InterconnectionsThis report contains information on a number of different protective relaying practices for the utility-consumer interconnection. It is intended... Superseded Standard