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  • Users: vandal06
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  1. vandal06

    Transformer Inrush - Limited by short circuit availability?

    Hi all, I'm aware that transformer inrush is a phenomenon caused by energizing the transformer at a non-zero crossing of the voltage waveform that causes the remanent flux to interact with the energizing flux such that you get large increases in magnetizing current, often leading to terminal...
  2. vandal06

    ABB REL 511C Line Relay - Ground Distance Element

    I am performing a system coordination study and this relay is installed all over the client's 115 kV transmission system. My experience has been with SEL's offerings so I was immediately struck by the quadrilateral construction of the impedance elements, both for phase and ground. I'm most...

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