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    what is a phase detection relay ? how it works ? Does it look like a normal EMR ?

    what is a phase detection relay ? how it works ? Does it similar to a normal EMR ?

    thanX

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    Re: what is a phase detection relay ? how it works ? Does it look like a normal EMR ?

    Here is list and functions of normally used
    3-phase Protection relays


    Control and Automation
    For industrial applications ED.03
    Electronic relays
    GE POWER CONTROLS Ltd

    Earth leakage relays..............F13

    Integral protection relay
    for three-phase lines.............F14

    Unbalance and phase
    failure protection relay
    for three-phase lines.............F15

    Phase sequence and
    phase failure protection
    relay for three-phase lines.......F16

    Phase sequence relay
    for three-phase lines.............F16

    Maximum and
    minimum voltage
    protection relay for
    three-phase lines.................F17

    http://www.gepowercontrols.com/ex/re...nic_relays.pdf




    Zelio® Control
    Measurement Relays
    RM17 and RM35

    Selection Guide . . . . . . . . . . . . . . . . . ............... . . . . . . . . . . . 2
    RM17T•00 Multifunction 3-phase supply control relays . . .. . . . . . . . 6
    RM35TF Multifunction 3-phase supply control relays . . . . . . . . . . . 19
    RM35TM 3-phase supply and motor temperature control relays . . . . 24
    RM17UB3 and RM35UB3 3-phase voltage control relays . . . . . . . . . 30

    http://static.schneider-electric.us/...8430CT0601.pdf
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