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  • Users: m3ntosan
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  1. m3ntosan

    HV Surge arresters

    Does anyone have any experience in installing HV (400 and 132 kV) surge arresters upside down, hanging on a metal gantry 20m above the ground? I’ve seen this type of arrangement due to lack of space around a transformer. Are there any (electrical) disadvantages that may arise from this? I am...
  2. m3ntosan

    Frequency response in the UK

    Anyone familiar with the ancillary service in the UK? It looks a bit different than the UCTE/ENTSO one (or maybe just the terms). Old UCTE: - Primary response/reserve - Secondary response/reserve - Fast tertiary reserve - Slow tertiary reserve There's a wikipedia article (find below), but...

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