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  1. Mike111

    Active Anti-Islanding Protection

    We have found that Vector Shift with a setting of around 6 degrees where there are no large motive power loads (Low Inertia) to be dependable without incurring nuisance tripping. Where there are large motive power loads ROCOF seems to be the only alternative with a setting of around 0.4Hz...
  2. Mike111

    Vacuum Filling/Drying of Transformers

    I am looking for some information on the above subject especially vacuum levels and duration for Transformer drying .Most of the information I have come across states “the lowest possible vacuum”, while I understand that the level of vacuum will depend on the Transformer tank structure what I...

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