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  • IEC 60255-21-3:1993

    Current The latest, up-to-date edition.

    Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French, Spanish, Castilian

    Published date:  21-09-1993

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    Clause
    1 Scope and object
    2 Normative references
    3 Definitions
      3.1 Single axis sine sweep seismic test
      3.2 Biaxial test
      3.3 Biaxial multi-frequency random seismic test
      3.4 Standard response spectrum
      3.5 Damping
      3.6 Zero period acceleration
      3.7 Random motion sample
      3.8 Time-history
      3.9 Strong part of the time history
    4 Requirements for single axis sine sweep seismic
      test (method A)
      4.1 Main parameters
      4.2 Test apparatus and mounting
      4.3 Test severity classes
    5 Requirements for biaxial multi-frequency random seismic
      test (method B)
      5.1 Main parameters
      5.2 Test apparatus and mounting
      5.3 Test severity classes
      5.4 Biaxial conditioning
    6 Selection of test severity classes
      6.1 Recommendations for selection of test classes
      6.2 Identification of test method and severity class
    7 Test procedures
    8 Criteria for acceptance
    FIGURES
    Annex A - Seismic tests choice criteria

    Abstract - (Show below) - (Hide below)

    Specifies the vibration, shock, bump and seismic tests applicable to electromechanical and static measuring relays and protection equipment, with or without output contacts.

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

    Development Note Stability Date: 2018. (09/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current

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

    CEI EN 50216-11 : 2009 POWER TRANSFORMER AND REACTOR FITTINGS - PART 11: OIL AND WINDING TEMPERATURE INDICATORS
    BS EN 60255-1:2010 Measuring relays and protection equipment Common requirements
    BS EN 60255-27:2014 Measuring relays and protection equipment Product safety requirements
    CSA N289.4 : 2012 TESTING PROCEDURES FOR SEISMIC QUALIFICATION OF NUCLEAR POWER PLANT STRUCTURES, SYSTEMS, AND COMPONENTS
    I.S. EN 60694:1999 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    I.S. EN 61850-3:2014 COMMUNICATION NETWORKS AND SYSTEMS FOR POWER UTILITY AUTOMATION - PART 3: GENERAL REQUIREMENTS
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    EN 60255-27:2014 Measuring relays and protection equipment - Part 27: Product safety requirements
    EN 61850-3:2014 Communication networks and systems for power utility automation - Part 3: General requirements
    EN 60255-5:2001 Electrical relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
    11/30250287 DC : 0 BS EN 60255-27 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    BS EN 50216-11:2008 Power transformer and reactor fittings Oil and winding temperature indicators
    04/30111859 DC : 0 IEC 62271-1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROL GEAR - PART 1: COMMON SPECIFICATIONS
    I.S. EN 60255-27:2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    I.S. EN 50216-11:2008 POWER TRANSFORMER AND REACTOR FITTINGS - PART 11: OIL AND WINDING TEMPERATURE INDICATORS
    BIS IS/IEC 62271-1 : 2007 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS
    IEC 60255-27:2013 Measuring relays and protection equipment - Part 27: Product safety requirements
    BS EN 60255-5:2001 Electrical relays Insulation coordination for measuring relays and protection equipment. Requirements and tests
    01/206938 DC : DRAFT OCT 2001 IEC 60255-27 ED.1.0 - MEASURING RELAYS AND EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS FOR MEASURING RELAYS AND PROTECTION EQUIPMENT
    N289.4-12 (R2017) Testing procedures for seismic qualification of nuclear power plant structures, systems, and components
    NF EN 50216-11 : 2008 POWER TRANSFORMER AND REACTOR FITTINGS - PART 11: OIL AND WINDING TEMPERATURE INDICATORS
    CEI EN 61850-3 : 2014 COMMUNICATION NETWORKS AND SYSTEMS FOR POWER UTILITY AUTOMATION - PART 3: GENERAL REQUIREMENTS
    CEI EN 60255-27 : 2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    CEI EN 60255-1 : 2011 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    IEC 60255-1:1967 Electrical relays - Part 1: Instantaneous all-or-nothing relays
    UNE-EN 60255-1:2010 Measuring relays and protection equipment -- Part 1: Common requirements
    IEC 61850-3:2013 Communication networks and systems for power utility automation - Part 3: General requirements
    CEI EN 60255-5 : 2001 ELECTRICAL RELAYS - PART 5: INSULATION COORDINATION FOR MEASURING RELAYS AND PROTECTION EQUIPMENT REQUIREMENTS AND TESTS
    08/30179134 DC : DRAFT MAR 2008 BS EN 60143-4 - SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    BS EN 61850-3:2014 Communication networks and systems for power utility automation General requirements
    BS EN 60694:1997 Common specifications for high-voltage switchgear and controlgear standards
    IEEE C37.105 : 2010 QUALIFYING CLASS 1E PROTECTIVE RELAYS AND AUXILIARIES FOR NUCLEAR POWER GENERATING STATIONS
    IEEE C37.98-2013 IEEE Standard for Seismic Qualification Testing of Protective Relays and Auxiliaries for Nuclear Facilities
    NF EN 60255-1 : 2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    NF EN 60255-5 : 2001 ELECTRICAL RELAYS - PART 5: INSULATION COORDINATION FOR MEASURING RELAYS AND PROTECTION EQUIPMENT - REQUIREMENTS AND TESTS
    I.S. EN 60255-1:2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    EN 50216-11:2008 Power transformer and reactor fittings - Part 11: Oil and winding temperature indicators
    EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements

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

    IEC 60255-21-2:1988 Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section Two: Shock and bump tests
    IEC 60068-2-57:2013 Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history and sine-beat method
    IEC 60068-3-3:1991 Environmental testing - Part 3-3: Guidance - Seismic test methods for equipments
    ISO 2041:2009 Mechanical vibration, shock and condition monitoring Vocabulary
    IEC 60255-21-1:1988 Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal)
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