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Power and Energy Standards

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Power and Energy Standards
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C57.21-2008 - IEEE 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 ... active Standard
C57.32-2015 - IEEE Standard for Requirements, Terminology, and Test Procedures for Neutral Grounding DevicesThis standard applies to devices used for the purpose of controlling the ground current or the potentials to ground of an alternating cu ... active Standard
C57.91-2011 - IEEE 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 ra ... active Standard
C57.92-1981 - IEEE Guide for Loading Mineral-Oil-Immersed Power Transformers Up to and Including 100 MVA with 55 C or 65 C Average Winding RiseGeneral recommendations for loading mineral-oil-immersed power transformers and other oil-insulated power transformer having up to and i ... withdrawn Standard
C57.93-2007 - IEEE Guide for Installation and Maintenance of Liquid-Immersed Power TransformersThis guide provides guidance and recommended practices on the installation and maintenance of liquid-immersed power transformers rated 5 ... active Standard
C57.94-2015 - IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type Distribution and Power TransformersRecommendations for operation and maintenance of dry-type distribution and power transformers are provided. active Standard
C57.95-1984 - IEEE Guide for Loading Liquid-Immersed Step-Voltage and Induction-Voltage RegulatorsThis guide covers general recommendations for loading mineral oil-immersed, 55°C rise, step-voltage and induction-voltage regulators ma ... withdrawn Standard
C57.96-2013 - IEEE Guide for Loading Dry-Type Distribution and Power TransformersGeneral recommendations for the loading of dry-type distribution and power transformers installed in ventilated, non-ventilated, and sea ... active Standard
C57.98-2011 - IEEE Guide for Transformer Impulse TestsTransformer connections, test methods, circuit configurations, failure analysis of lightning impulse, and switching impulse testing of p ... active Standard
C57.100-2011 - IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution and Power TransformersA test procedure to provide a uniform method for investigating the effect of operating temperature on the life expectancy of liquid-imme ... active Standard
C57.104-1991 - IEEE Guide for the Interpretation of Gases Generated in Oil-Immersed TransformersDetailed procedures for analyzing gas from gas spaces or gas-collecting devices as well as gas dissolved in oil are described. The proce ... withdrawn Standard
C57.104-2008 - IEEE Guide for the Interpretation of Gases Generated in Oil-Immersed TransformersDetailed procedures for analyzing gas from gas spaces or gas-collecting devices as well as gas dissolved in oil are described. The proce ... active Standard
C57.105-1978 - IEEE Guide for Application of Transformer Connections in Three-Phase Distribution SystemsThe characteristics of the various transformer connections and possible operating problems under normal or abnormal conditions are treat ... active Standard
C57.106-2015 - IEEE Guide for Acceptance and Maintenance of Insulating Mineral Oil in Electrical EquipmentRecommendations regarding mineral oil tests and evaluation procedures are made in this guide; references are made to methods of recondit ... active Standard
C57.109-1993 - IEEE Guide for Liquid-Immersed Transformers Through-Fault-Current DurationRecommendations believed essential for the application of over current protective devices applied to limit the exposure time of transfor ... active Standard
C57.110-2008 - IEEE Recommended Practice for Establishing Liquid-Filled and Dry-Type Power and Distribution Transformer Capability When Supplying Nonsinusoidal Load CurrentsThis recommended practice provides calculation methods to conservatively evaluate the feasibility for an existing installed dry-type or ... active Standard
C57.111-1989 - IEEE Guide for Acceptance of Silicone Insulating Fluid and Its Maintenance in TransformersTests and evaluation procedures for silicone transformer fluid are recommended. Criteria for maintenance and methods of reconditioning s ... active Standard
C57.113-2010 - IEEE Recommended Practice for Partial Discharge Measurement in Liquid-Filled Power Transformers and Shunt ReactorsWideband measurement of the apparent charge of partial discharges (PDs) that may occur in liquid-filled power transformers and shunt rea ... active Standard
C57.114-1990 - IEEE Seismic Guide for Power Transformers and ReactorsIEEE C57.114-1990, IEEE Seismic Guide for Power Transformers and Reactors, specifies recommendations for the design and installation of ... withdrawn Standard
C57.115-1991 - IEEE Guide for Loading Mineral-Oil-Immersed Power Transformers Rated in Excess of 100 MVA (65C Winding Rise) (Folded into C57.91-1995) (65C Winding Rise)The guide covers modern power transformers rated above 100 MVA, three-phase equivalent and 65°C rise. The general approach is tutorial. ... withdrawn Standard
C57.116-2014 - IEEE Guide for Transformers Directly Connected to GeneratorsInformation on the selection and application considerations for the unit power transformer and unit auxiliaries power transformer is pro ... active Standard
C57.119-2001 - IEEE Recommended Practice for Performing Temperature Rise Tests on Oil-Immersed Power Transformers at Loads Beyond Nameplate RatingsReaffirmed 2008. Recommendations are made, where possible, regarding the performance and evaluation of temperature rise tests on oil-imm ... active Standard
C57.120-2017 - IEEE Guide for Loss Evaluation of Distribution and Power Transformers and ReactorsThe economic loss evaluation of liquid-filled distribution and power transformers, dry-type distribution and power transformers, and rea ... active Standard
C57.121-1998 - IEEE Guide for Acceptance and Maintenance of Less-Flammable Hydrocarbon Fluid in TransformersThis IEEE Standards product is part of the C57 family on Power Distribution and Regulating Transformers. The evaluation and handling pr ... active Standard
C57.123-2010 - IEEE Guide for Transformer Loss MeasurementInformation and general recommendations of instrumentation, circuitry, calibration, and measurement techniques of no-load losses (exclud ... active Standard
C57.124-1991 - IEEE Recommended Practice for the Detection of Partial Discharge and the Measurement of Apparent Charge in Dry-Type TransformersThis IEEE Standards product is part of the C57 family on Power Distribution and Regulating Transformers. The detection of partial disch ... active Standard
C57.125-2015 - IEEE Guide for Failure Investigation, Documentation, Analysis, and Reporting for Power Transformers and Shunt ReactorsA procedure to be used to perform a failure analysis is recommended. The procedure is primarily focused on power transformers used on el ... active Standard
C57.127-2007 - IEEE Guide for the Detection and Location of Acoustic Emissions from Partial Discharges in Oil-Immersed Power Transformers and ReactorsThis guide is applicable to the detection and location of acoustic emissions from partial discharges and other sources in oil immersed p ... active Standard
C57.130-2015 - IEEE Guide for the Use of Dissolved Gas Analysis Applied to Factory Temperature Rise Tests for the Evaluation of Mineral Oil-Immersed Transformers and ReactorsThis guide is intended for the application of dissolved gas analysis (DGA) techniques on oil-immersed transformers and reactors applied ... active Standard
C57.131-2012 - IEEE Standard Requirements for Tap ChangersThis standard covers electrical and mechanical performance and test requirements for tap changers installed in voltage regulating power ... active Standard
C57.134-2013 - IEEE Guide for Determination of Hottest-Spot Temperature in Dry-Type TransformersMethodologies for determination of the steady-state winding hottest-spot temperature in dry-type distribution and power transformers wit ... active Standard
C57.135-2011 - IEEE Guide for the Application, Specification, and Testing of Phase-Shifting TransformersAdopted as IEC 62032:2012. Theory, application of phase-shifting transformers, and the difference of specification and testing to standa ... active Standard
C57.136-2000 - IEEE Guide for Sound Level Abatement and Determination for Liquid-Immersed Power Transformers and Shunt Reactors Rated Over 500 kVAReaffirmed September 22, 2005 This IEEE Standards product is part of the C57 family on Power Distribution and Regulating Transformers. ... active Standard
C57.138-2016 - IEEE Recommended Practice for Routine Impulse Tests for Distribution TransformersGeneral test procedures for performing routine quality control tests that are suitable for high-volume, production line testing are incl ... active Standard
C57.139-2015 - IEEE Guide for Dissolved Gas Analysis in Transformer Load Tap ChangersGeneral types of load tap changer (LTC) mechanisms, breathing configurations, and electrical designs, described for reference for determ ... active Standard
C57.140-2017 - IEEE Guide for Evaluation and Reconditioning of Liquid Immersed Power TransformersGuidelines for the following are included in the standard: insulating liquid maintenance and diagnostics, liquid reclamation, testing me ... active Standard
C57.142-2010 - IEEE Guide to Describe the Occurrence and Mitigation of Switching Transients Induced by Transformers, Switching Device, and System InteractionThe performance of transformers in the presence of oscillatory transients is addressed in this guide. Oscillatory transients are typical ... active Standard
C57.143-2012 - IEEE Guide for Application for Monitoring Equipment to Liquid-Immersed Transformers and ComponentsIdentification of the key parameters that can be monitored for obtaining an indication of the condition of liquid-immersed transformers ... active Standard
C57.144-2004 - IEEE Guide for Metric Conversion of Transformer StandardsA consistent and accurate method of converting dimensions and quantities in transformer standards to SI units is provided in this guide. active Standard