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Explain in detail what happens to the power system when a ground fault occurs on Phase B. The transformer feeding the power system is 12.47kV

  1. Explain in detail what happens to the power system when a ground fault occurs on Phase B. The transformer feeding the power system is 12.47kV Delta to 600V delta rated 2000kVA with an impedance of 5.6%.

  1. Give V LL and V LG for all three phases. Before ground fault and during the ground fault. (10 Points)
  2. Explain in detail what happens to the voltage if it is an arcing ground fault and why. (10 Points)

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