• BS PD IEC TR 62066 : 2002

    Current The latest, up-to-date edition.

    SURGE OVERVOLTAGES AND SURGE PROTECTION IN LOW-VOLTAGE A.C. POWER SYSTEMS - GENERAL BASIC INFORMATION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2002

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Reference documents
    3 Definitions
    4 Overvoltages in low-voltage systems
    5 Lightning overvoltages
       5.1 General
       5.2 Origin of lightning surge overvoltages
       5.3 Lightning surges transferred from MV systems
       5.4 Surges caused by direct flash to LV lines
       5.5 Lightning surges induced into LV systems
       5.6 Examples of induced overvoltages
       5.7 Overvoltages caused by flashes to the
            structures or in close vicinity
       5.8 Recapitulation on lightning overvoltages
    6 Switching overvoltages
       6.1 General
       6.2 Operation of circuit-breakers and switches
       6.3 Operation of fuses
       6.4 Frequency of occurrence
       6.5 Interactions with surge-protective devices
       6.6 Recapitulation on switching overvoltages
    7 Temporary overvoltages
       7.1 General
       7.2 Magnitude of temporary overvoltages due to MV
            and LV faults
       7.3 Temporary overvoltages due to defects in the LV
            electrical installation
       7.4 Probability of occurrence and severity of harm
       7.5 Recapitulation on temporary overvoltage
    8 System interaction overvoltages
       8.1 General
       8.2 Interaction between power system and communications
            system
       8.3 Other interactions
       8.4 Recapitulation on system interactions
    9 Observations on surge overvoltages and failure rates
       9.1 General
       9.2 Using field failure data
       9.3 Recapitulation of observations on failure rates
    10 Considerations on system outage/equipment failure/fires
       10.1 General
       10.2 Avoiding interference in system operation
       10.3 Preventing permanent damage
       10.4 Costs of surge-related interruptions and failures
       10.5 Recapitulation on outages and failures
    11 Considerations on the use of surge protection
       11.1 General
       11.2 Power system configuration
       11.3 Types of installation
       11.4 Occurrence of surges
       11.5 SPD disconnector
       11.6 Risk assessment
       11.7 Recapitulation on the need for surge protection
    12 Surge protection application
       12.1 General
       12.2 Surge protective devices in power distribution
            systems
       12.3 Basic system characteristics for SPD selection
       12.4 Considerations for installation of SPDs
       12.5 Coordination among SPDs and with equipment to be
            protected
       12.6 Recapitulation on surge protection application
    Annex A (informative) Complementary information on
            lightning-related overvoltages
    Annex B (informative) Switching overvoltages
    Annex C (informative) Complementary information on
            temporary overvoltages
    Annex D (informative) Complementary information on
            system interaction overvoltages
    Annex E (informative) Complementary information on SPD
            application
    Annex F (informative) Avoiding overvoltages through
            good practice for earthing and cabling
    Bibliography
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Describes a general overview on the different kinds of surge over-voltages that can occur on low-voltage installations.

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

    Committee JPEL/24
    Document Type Standard
    Publisher British Standards Institution
    Status Current

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

    08/30136724 DC : DRAFT MAY 2008 BS 6739 - CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS - INSTALLATION DESIGN AND PRACTICE

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

    IEC 61024-1-1:1993 Protection of structures against lightning - Part 1: General principles - Section 1: Guide A: Selection of protection levels for lightning protection systems
    IEC 61024-1:1990 Protection of structures against lightning - Part 1: General principles
    IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
    IEC 61643-12:2008 Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
    IEC TR 61000-4-1:2016 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
    IEC 60364-5-53:2001+AMD1:2002+AMD2:2015 CSV Electrical installations of buildings - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control
    IEC 61663-2:2001 Lightning protection - Telecommunication lines - Part 2: Lines using metallic conductors
    IEC TR 61000-5-2:1997 Electromagnetic compatibility (EMC) - Part 5: Installation and mitigation guidelines - Section 2: Earthing and cabling
    IEC TR 61000-2-5:2017 Electromagnetic compatibility (EMC) - Part 2-5: Environment - Description and classification of electromagnetic environments
    IEEE 1036 : 2010 GUIDE FOR APPLICATION OF SHUNT POWER CAPACITORS
    IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
    IEC 60364-4-44:2007+AMD1:2015 CSV Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances
    IEC 61312-1:1995 Protection against lightning electromagnetic impulse - Part 1: General principles
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC TS 61312-3:2000 Protection against lightning electromagnetic impulse - Part 3: Requirements of surge protective devices (SPDs)
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