otse Xa=0.30 XTR=0.10 1. B12 B13 F X12=0.20 X13 0.10 X23-0.20 B21 B22 V=1<0 Fig. 1. Single-machine infinite bus system (Simple system-I). The synchronous generator in Fig.1 delivers 0.8 p.u. real power at 0.85 power factor leading at voltage at infinite bus (1.0 p.u. voltage). Determine a) The real and reactive power output of the generator. b) The generator internal voltage. c) An equation for the electrical power delivered by the generator as a function of 8.

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
Chapter11: Transient Stability
Section: Chapter Questions
Problem 11.19P
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Solve these Exercise
otse
Xa=0.30
XTR=0.10
1.
B12
F
X12=0.20
B13 X13=0.10
X23=0.20
B21
B22
V=1<0
O
Fig. 1. Single-machine infinite bus system (Simple system-I).
The synchronous generator in Fig.1 delivers 0.8 p.u. real power at 0.85 power
factor leading at voltage at infinite bus (1.0 p.u. voltage). Determine
a) The real and reactive power output of the generator.
b) The generator internal voltage.
c) An equation for the electrical power delivered by the generator as a
function of 8.
d)
For a three-phase-to ground bolted short circuit at F, determine the power
delivered by the generator as a function of 8.
e) The fault is cleared by the opening of circuit breakers B13 and B22
simultaneously, find the power delivered by the generator as a function of
8.
f) Draw the power angle curves for post-fault, during the fault and pre-fault
conditions and determine the critical clearing angle.
Transcribed Image Text:otse Xa=0.30 XTR=0.10 1. B12 F X12=0.20 B13 X13=0.10 X23=0.20 B21 B22 V=1<0 O Fig. 1. Single-machine infinite bus system (Simple system-I). The synchronous generator in Fig.1 delivers 0.8 p.u. real power at 0.85 power factor leading at voltage at infinite bus (1.0 p.u. voltage). Determine a) The real and reactive power output of the generator. b) The generator internal voltage. c) An equation for the electrical power delivered by the generator as a function of 8. d) For a three-phase-to ground bolted short circuit at F, determine the power delivered by the generator as a function of 8. e) The fault is cleared by the opening of circuit breakers B13 and B22 simultaneously, find the power delivered by the generator as a function of 8. f) Draw the power angle curves for post-fault, during the fault and pre-fault conditions and determine the critical clearing angle.
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