The single line diagram of figure below shows a generator connected through parallel transmission line to a large metropolitan system considered as an infinite bus. The machine is delivering 1.0 per-unit power and both the terminal voltage and the infinite-bus voltage are 1.0 per unit. Numbers of the diagram indicate the values of the reactances on a common system base. The transient reactance of the generator is 0.2x per unit as indicated. Determine the power-angle equation for the given system operating conditions. When a three-phase fault occurs at point P, and the fault on the system is cleared by simultaneous opening of the circuit breakers at each end of the affected line, determine the power angle equation and the swing equation for the during fault and post-fault period. Take H= 5.5Q Mj/MVA. (Roll=PQXY)

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Chapter1: Introduction
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The single line diagram of figure below shows a generator connected through
parallel transmission line to a large metropolitan system considered as an infinite
bus. The machine is delivering 1.0 per-unit power and both the terminal voltage
and the infinite-bus voltage are 1.0 per unit. Numbers of the diagram indicate the
values of the reactances on a common system base. The transient reactance of the
generator is 0.2x per unit as indicated. Determine the power-angle equation for the
given system operating conditions. When a three-phase fault occurs at point P,
and the fault on the system is cleared by simultaneous opening of the circuit
breakers at each end of the affected line, determine the power angle equation and
the swing equation for the during fault and post-fault period.
Take H= 5.5Q Mj/MVA. (Roll=PQXY)
j0.5,
j0.1y O
X = 0.2X
P
j0. 5,
Transcribed Image Text:Description The single line diagram of figure below shows a generator connected through parallel transmission line to a large metropolitan system considered as an infinite bus. The machine is delivering 1.0 per-unit power and both the terminal voltage and the infinite-bus voltage are 1.0 per unit. Numbers of the diagram indicate the values of the reactances on a common system base. The transient reactance of the generator is 0.2x per unit as indicated. Determine the power-angle equation for the given system operating conditions. When a three-phase fault occurs at point P, and the fault on the system is cleared by simultaneous opening of the circuit breakers at each end of the affected line, determine the power angle equation and the swing equation for the during fault and post-fault period. Take H= 5.5Q Mj/MVA. (Roll=PQXY) j0.5, j0.1y O X = 0.2X P j0. 5,
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