• SN EN 50065-7 : 2001

    Current The latest, up-to-date edition.

    SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 7: EQUIPMENT IMPEDANCE

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    Published date:  13-01-2013

    Publisher:  Swiss Standards

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

    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Requirements
    5 Test method
      5.1 General
      5.2 Test conditions
      5.3 Impedance analyser measuring method
      5.4 Voltage ratio method
    Annex A (informative) Signalling on low voltage electrical
            installations in the frequency range 3 kHz to
            148,5 kHz, potential problems
    Annex B (informative) Minimum value of the equipment impedance
            B.1 Consumer's network impedance
            B.2 Type 1 & 2 equipment impedance versus environment
            B.3 Minimum value of the equipment impedance
    Annex C (informative) Impedance measurement method with impedance
            analyser
            C.1 Theory
            C.2 Practice
    Annex D (informative) Analysis of voltage ratio method for impedance
            measurement
            D.1 Introduction
            D.2 Principle of the voltage ratio method
            D.3 Measuring notes

    Abstract - (Show below) - (Hide below)

    Applies to electrical equipment excluding decoupling filters, using signals in the frequency range 3 kHz for data transmission on low voltage electrical networks either on the public supply network or within installations in consumers' premises.

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    Document Type Standard
    Publisher Swiss Standards
    Status Current
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