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Recent content by Spaceinvader2

  1. Spaceinvader2

    Earthing of neutral point of power transformer

    Distribution utilities (generally dealing with MV) can use neutral earthing resistors (NERs) or reactors (NEX) to limit the fault currents of their networks for a number of reasons including: - Less onerous fault withstand requirements of switchgear, etc. - Decreased earthing requirements of...
  2. Spaceinvader2

    Supply Side and Equipment Grounding Conductors in HV Substation

    Sorry my last sentence was meant to say *solidly bonded not single point bonded.
  3. Spaceinvader2

    Supply Side and Equipment Grounding Conductors in HV Substation

    What you are saying about cross bonding is correct, however, cross bonding can be difficult to implement due to geographical/space and cost constraints. From my experience it is not standard to run a GCC as long as the sheath/shield has adequate fault performance. Also, the introduction of...
  4. Spaceinvader2

    Powerflow analysis tool - Australia

    Hi Gustav, Dependent from utility to utility. PSSE and PowerFactory common from my experience.
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