Line Differential Protection


SIPROTEC 5 base module with large Display

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    The line differential protection relay SIPROTEC 7SD82 is part of the new SIPROTEC 5 series of modular field devices.
    This device is especially designed for cost effective and compact medium voltage and sub-transmission application areas. With its flexibility and its high-performance DIGSI 5 engineering tool, the SIPROTEC 7SD82 fits perfectly for protection, control, monitoring, and measuring applications in electrical energy systems

    Main function:

    Line differential protection for medium and sub-transmission


    3-pole, min. tripping time 19 ms

    Inputs and outputs:

    4 current transformers,
    4 voltage transformers (optional),
    11 or 23 binary inputs,
    9 or 16 binary outputs

    Hardware flexibility:

    Various hardware quantity structures are available for binary inputs and outputs in the 1/3 base module, it is not possible to add 1/6 expansion modules,available with large and small display Housing width 1/3 × 19 inch

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