The Positive Negative And Zero Sequence Impedances Of A 125 Mva Three Phase 15 5 Kv 3081842

The positive negative and zero sequence impedances of a 125 MVA, three-phase, 15.5 kV, star-grounded, 50 Hz generator are j 0.1pu , j 0.05 pu and j 0.01 pu respectively on the machine rating base. The machine is unloaded and working at the rated terminal voltage. If the grounding impedance of the generator is j 0.01 pu , then the magnitude of fault current for a b-phase to ground fault (in kA) is ________ (up to 2 decimal places).

Prof. Angela


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