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Article | REF: D4600 V2

Medium-voltage substations

Authors: Georges VALENTIN, René FONDEUR, Bernard JOYEUX‐BOUILLON, Jean‐Claude TURPAIN

Publication date: September 10, 1996 | Lire en français

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    8. Building HV substations

    8.1 Protection relays and recent developments

    The design and implementation of protection systems must take into account a number of criteria that contribute to satisfying the requirements of users and the energy distributor: quality and continuity of supply.

    A good protection system must be :

    • reliable and available;

    • selective to isolate only the faulty part of the network, without disturbing the healthy part;

    • to eliminate transient stresses and limit potential damage.

    • If the basic principles of defect detection and elimination have not changed significantly over time, then this is not the...

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