Repeat the example on symmetrical faults (page 27 in the class notes) if the fault occurs across the load terminals as shown below. 100 MVA, 11 kV Generator G + 0.05 pu. Reactance M 50 MVA, Motor 0.2 pu sub-transient On 100 MVA Base reactance 3 phase fault 0.25 pu sub-transient reactance The Motor is drawing 40 MW at 0.8 pf. Leading with terminal voltage of 10.95 kV. Calculate the total current in the generator and motor during 3 phase s.c. 27 27

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 7.3MCQ: The amplitude of the sinusoidal symmetrical ac component of the three-phase short-circuit current of...
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Repeat the example on symmetrical faults (page 27 in the class notes) if the fault occurs across
the load terminals as shown below.
100 MVA, 11 kV
Generator
G
+
0.05 pu. Reactance
M
50 MVA, Motor
0.2 pu
sub-transient
On 100 MVA Base
reactance
3 phase
fault
0.25 pu
sub-transient
reactance
The Motor is drawing 40 MW at 0.8 pf. Leading with terminal
voltage of 10.95 kV.
Calculate the total current in the generator and motor during
3 phase s.c.
27
27
Transcribed Image Text:Repeat the example on symmetrical faults (page 27 in the class notes) if the fault occurs across the load terminals as shown below. 100 MVA, 11 kV Generator G + 0.05 pu. Reactance M 50 MVA, Motor 0.2 pu sub-transient On 100 MVA Base reactance 3 phase fault 0.25 pu sub-transient reactance The Motor is drawing 40 MW at 0.8 pf. Leading with terminal voltage of 10.95 kV. Calculate the total current in the generator and motor during 3 phase s.c. 27 27
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