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  • IEEE 95-2002

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    IEEE Recommended Practice for Insulation Testing of AC Electric Machinery (2300 V and Above) With High Direct Voltage

    Available format(s):  PDF

    Withdrawn date:  30-03-2023

    Language(s):  English

    Published date:  12-04-2002

    Publisher:  Institute of Electrical & Electronics Engineers

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    Table of Contents - (Show below) - (Hide below)

    1 Overview
      1.1 Scope
      1.2 Purpose
      1.3 Application and limitations
    2 References
    3 Definitions
    4 Test preparations
      4.1 Safety precautions required for high direct-voltage tests
      4.2 Influencing factors
      4.3 Gas-cooled machines
      4.4 Liquid-cooled machines
      4.5 Isolation of the winding from cables and auxiliary equipment
      4.6 Sectionalizing the winding
    5 Test equipment and connections
      5.1 High direct-voltage test equipment
      5.2 Discharge and grounding provisions
      5.3 High-voltage test connection to the winding
      5.4 Test connection to ground
    6 Test procedure: proof tests
      6.1 Test voltage for acceptance proof testing
      6.2 Test voltage for maintenance proof testing
      6.3 Voltage application
      6.4 Discharging and grounding
      6.5 Test results
      6.6 Insulation failure
    7 Test procedure: controlled overvoltage test
      7.1 Test method
      7.2 Test setup
      7.3 Measured current
      7.4 Test voltage for controlled overvoltage testing
      7.5 Initial voltage level
      7.6 Voltage increments
      7.7 Discharging and grounding
      7.8 Test results
      7.9 Use of controlled overvoltage tests
    8 Fault location
    9 Suggested test record
    Annex A (informative) Test Procedures
    Annex B (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    This recommended practice provides information on the use of high direct voltage forproof tests and for periodic diagnostic tests on the groundwall insulation of stator (armature) wind-ings in ac electric machines.

    General Product Information - (Show below) - (Hide below)

    Committee Electric Machinery
    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Withdrawn
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEEE 902-1998 IEEE Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems (Yellow Book)
    IEEE 1665 : 2009 GUIDE FOR THE REWIND OF SYNCHRONOUS GENERATORS, 50 HZ AND 60 HZ, RATED 1 MVA AND ABOVE
    IEEE C50.13 : 2014 CYLINDRICAL-ROTOR 50 HZ AND 60 HZ, SYNCHRONOUS GENERATORS RATED 10 MVA AND ABOVE
    IEEE 400.1-2007 IEEE Guide for Field Testing of Laminated Dielectric, Shielded Power Cable Systems Rated 5 kV and Above with High Direct Current Voltage
    NFPA 70B : 2016 RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE
    IEEE DRAFT 1147 : D8 2005 GUIDE FOR THE REHABILITATION OF HYDROELECTRIC POWER PLANTS
    IEEE 115-2019 IEEE Guide for Test Procedures for Synchronous Machines Including Acceptance and Performance Testing and Parameter Determination for Dynamic Analysis
    IEEE 62.2-2004 IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus - Electrical Machinery
    IEEE 421.3-2016 REDLINE IEEE Standard for High-Potential Test Requirements for Excitation Systems for Synchronous Machines
    ANSI/NETA MTS:2023+ERR:2023 Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems
    IEEE 334-2006 IEEE Standard for Qualifying Continuous Duty Class 1E Motors for Nuclear Power Generating Stations
    IEEE DRAFT 1248 : D7 97 DRAFT GUIDE FOR THE COMMISSIONING OF ELECTRICAL SYSTEMS IN HYDROELECTRIC POWER PLANTS
    IEEE 334 : 2007 QUALIFYING CONTINUOUS DUTY CLASS 1E MOTORS FOR NUCLEAR POWER GENERATING STATIONS
    IEEE DRAFT C50.12 : D10 2004 SALIENT-POLE 50 AND 60 HZ SYNCHRONOUS GENERATORS AND GENERATOR/MOTORS FOR HYDRAULIC TURBINE APPLICATIONS RATED 5 MVA AND ABOVE
    NETA ATS : 2017 ACCEPTANCE TESTING SPECIFICATIONS FOR ELECTRICAL POWER EQUIPMENT AND SYSTEMS
    IEEE DRAFT 434 : D10 2006 FUNCTIONAL EVALUATION OF INSULATION SYSTEMS FOR AC ELECTRIC MACHINES RATED 2300 V AND ABOVE
    IEEE DRAFT C62.92.2 : 1999 DRAFT GUIDE FOR THE APPLICATION OF NEUTRAL GROUNDING IN ELECTRICAL UTILITY SYSTEMS, PART 2 - GROUNDING OF SYNCHRONOUS GENERATOR SYSTEMS
    IEEE 3006.3-2017 IEEE Recommended Practice for Determining the Impact of Preventative Maintenance on the Reliability of Industrial and Commercial Power Systems
    IEEE 421.3-1997 IEEE Standard for High-Potential Test Requirements for Excitation Systems for Synchronous Machines
    IEEE DRAFT 43 : 1995 DRAFT RECOMMENDED PRACTICE FOR TESTING INSULATION RESISTANCE OF ROTATING MACHINERY
    IEEE DRAFT 67 : D5 2005 GUIDE FOR THE OPERATION AND MAINTENANCE OF TURBINE GENERATORS
    IEEE 434-2006 IEEE Guide for Functional Evaluation of Insulation Systems for AC Electric Machines Rated 2300 V and Above
    API 546 : 2008 BRUSHLESS SYNCHRONOUS MACHINES - 500 KVA AND LARGER
    IEEE 1415 : 2006 INDUCTION MACHINERY MAINTENANCE TESTING AND FAILURE ANALYSIS
    IEEE 421B-1979 IEEE Standard for High-Potential-Test Requirements for Excitation Systems for Synchronous Machines
    IEEE 1205-2014 IEEE Guide for Assessing, Monitoring, and Mitigating Aging Effects on Electrical Equipment Used in Nuclear Power Generating Stations and Other Nuclear Facilities
    IEEE 115-2009 REDLINE IEEE Guide for Test Procedures for Synchronous Machines Part I—Acceptance and Performance Testing Part II—Test Procedures and Parameter Determination for Dynamic Analysis
    IEEE C62.92.2-1989 IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems, Part II - Grounding of Synchronous Generator Systems
    IEC 60034-27-4:2018 Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index of winding insulation of rotating electrical machines
    IEEE 1147-2005 IEEE Guide for the Rehabilitation of Hydroelectric Power Plants
    IEEE 1068-2015 REDLINE IEEE Standard for the Repair and Rewinding of AC Electric Motors in the Petroleum, Chemical, and Process Industries
    IEEE 43-2013 REDLINE IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery
    (INACTIVE RECORD)IEEE C50.12 : 2005 SALIENT-POLE 50 HZ AND 60 HZ SYNCHRONOUS GENERATORS AND GENERATOR/MOTORS FOR HYDRAULIC TURBINE APPLICATIONS RATED 5 MVA AND ABOVE
    IEEE C50.13-2005 IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above
    IEEE C50.13-2014 IEEE Standard for Cylindrical-Rotor 50 Hz and 60 Hz Synchronous Generators Rated 10 MVA and Above
    IEEE 1812-2014 IEEE Trial-Use Guide for Testing Permanent Magnet Machines
    IEEE 56-2016 IEEE Guide for Insulation Maintenance of Electric Machines
    IEEE 67-2005 IEEE Guide for Operation and Maintenance of Turbine Generators

    Standards Referencing This Book - (Show below) - (Hide below)

    NEMA MG 1 : 2016 MOTORS AND GENERATORS
    IEEE 62-1995 IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus - Part 1: Oil Filled Power Transformers, Regulators, and Reactors
    IEEE 4-1995 IEEE Standard Techniques for High-Voltage Testing
    ANSI C50.10 : 1990 ROTATING ELECTRICAL MACHINERY - SYNCHRONOUS MACHINES
    IEEE 56-1977 IEEE Guide for Insulation Maintenance of Large Alternating-Current Rotating Machinery (10,000 kVA and Larger)
    IEEE 510-1983 IEEE Recommended Practices for Safety in High-Voltage and High-Power Testing
    IEEE C57.12.90-2010 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE 4-2013 IEEE Standard for High-Voltage Testing Techniques
    IEEE 112-1996 IEEE Standard Test Procedure for Polyphase Induction Motors and Generators
    IEEE 115-2009 REDLINE IEEE Guide for Test Procedures for Synchronous Machines Part I—Acceptance and Performance Testing Part II—Test Procedures and Parameter Determination for Dynamic Analysis
    IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
    IEEE 115-1995 IEEE Guide: Test Procedures for Synchronous Machines Part I--Acceptance and Performance Testing Part II-Test Procedures and Parameter Determination for Dynamic Analysis
    IEEE 43-2013 REDLINE IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery
    ASTM D 257 : 2014 : REDLINE Standard Test Methods for DC Resistance or Conductance of Insulating Materials
    IEEE 112-2004 IEEE Standard Test Procedure for Polyphase Induction Motors and Generators
    IEEE 43-2000 IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery
    IEEE C57.12.90-1999 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE 433-1974 IEEE Recommended Practice for Insulation Testing of Large AC Rotating Machinery with High Voltage at Very Low Frequency
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