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dopeybck
dopeybck asked in Science & MathematicsEngineering · 9 years ago

Fault current calculation?

Can you help me with this problem please?

Calculate the fault current for a zero impedance earth fault on a 6.6kV generator with a neutral earth resistor value of 15 ohms.

2 Answers

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  • minto k zacheriah
    Lv 4
    9 years ago
    Favorite Answer

    require generator winding resistance

  • JWTeeset
    Lv 6
    9 years ago

    Try I = V/R. (R in this case being Z, impedance).

    There is always impedance in earth faults, Resistance plus capacitive and/or inductive reactance.

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