A 50 MVA, 11 kV three-phase alternator was subjected to different types of faults. The fault currents are as under : 3-phase fault = 2000 A; Line-to-Line fault = 2600 A; Line-to-ground fault = 4200 A The generator neutral is solidly grounded. Find the values of the three sequence reactances of the alternator. Ignore resistances.

A 50 MVA, 11 kV three-phase alternator was subjected to different types of faults. The fault currents are as under : 3-phase fault = 2000 A; Line-to-Line fault = 2600 A; Line-to-ground fault = 4200 A The generator neutral is solidly grounded. Find the values of the three sequence reactances of the alternator. Ignore resistances.

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

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.5P

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