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  • I.S. EN 61334-3-21:1999

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    DISTRIBUTION AUTOMATION USING DISTRIBUTION LINE CARRIER SYSTEMS - PART 3: MAINS SIGNALLING REQUIREMENTS - SECTION 21: MV PHASE-TO-PHASE ISOLATED CAPACITIVE COUPLING DEVICE

    Available format(s): 

    Language(s): 

    Published date:  12-01-2013

    Publisher:  National Standards Authority of Ireland

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

    Introduction
    1 Scope and object
    2 Normative references
    3 Definitions
        3.1 MV phase-to-phase capacitive coupling method
        3.2 Coupling device
        3.3 Terms concerning coupling devices
    4 Services conditions
        4.1 Standard conditions
        4.2 Ambient temperature
        4.3 Power frequency
        4.4 Operating voltages
    5 General requirements
        5.1 Safety and protection requirements
        5.2 Insulation requirements
        5.3 Carrier-frequency requirements
        5.4 Rating plate
        5.5 Tests
    Figures
    1 MV phase-to-phase isolated coupling device
    2 Main components of a MV phase-to-phase isolated
        coupling device
    3 Power-frequency test
    4 Common-mode impulse voltage test
    5 Differential mode impulse voltage test
    6 Measurement of composite loss
    7 Measurement of return loss
    8 Measurement of the nominal coupling-side impedance
    9 Measurement of the nominal equipment-side
        impedance
    10 Measurement of the 3 dB bandwidth
    Annex
    ZA (normative) Normative references to international
        publications with their corresponding European
        publications

    Abstract - (Show below) - (Hide below)

    Establishes definitions, requirements, methods of testing and rated values for phase-to-phase isolated capacitive coupling devices to be used in medium-voltage (MV) distribution line carrier systems.

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    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
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