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Article | REF: D4600 V1

Medium-voltage substations

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

Publication date: September 10, 1996

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9. Conclusions

The pace of change in HV substations accelerated in the 90s and 95s:

  • changing customer requirements in terms of personnel safety and reliability;

  • the development of underground networks to replace overhead lines;

  • the development of telecontrol ;

  • the evolution of substation or switchgear control-command following the introduction of electronic and then digital relaying.

This development has resulted in :

  • increased mechanical strength of cells;

  • improved operating safety for internal arc equipment;

  • the development of public distribution structure substations (particularly on underground networks),...

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