The positive, negative and zero sequence reactances of a 15 MVA, 11 kV three-phase wye-connected generator are 11%, 8% and 3% respectively. The neutral of the generator is grounded and is excited to the rated voltage on open circuit. A line to ground fault occurs on phase a of the generator. Calculate the fault current.

The positive, negative and zero sequence reactances of a 15 MVA, 11 kV three-phase wye-connected generator are 11%, 8% and 3% respectively. The neutral of the generator is grounded and is excited to the rated voltage on open circuit. A line to ground fault occurs on phase a of the generator. Calculate the fault current.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter9: Unsymmetrical Faults

Section: Chapter Questions

Problem 9.35P

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