A 60 Hz synchronous generator having per unit inertia constant H-5 s and a transient reactanc X'a 0.3 pu is connected to an infinite bus through a purely reactive circuit as shown in Fig. (4). Reactances are marked on the diagram on a common system base. The generator is delivering power P, = 0.7 pu at 0.75 power factor lagging to the infinite bus at a voltage V = 1.0 pu. Determine the operating power angle of the generator 8 ? E' X = 0.3 pu Ia X₁ = 0.3 XL1 = 0.4 m m XL2 = 0.4 2 V∞o

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
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.48P
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A 60 Hz synchronous generator having per unit inertia constant H-5 s and a transient reactanc X'a
0.3 pu is connected to an infinite bus through a purely reactive circuit as shown in Fig. (4). Reactances are
marked on the diagram on a common system base. The generator is delivering power P, = 0.7 pu at
0.75 power factor lagging to the infinite bus at a voltage V = 1.0 pu.
Determine the operating power angle of the generator 8 ?
E'
X = 0.3 pu
Ia
X₁ = 0.3
XL1 = 0.4
m
m
XL2 = 0.4
2
V∞o
Transcribed Image Text:A 60 Hz synchronous generator having per unit inertia constant H-5 s and a transient reactanc X'a 0.3 pu is connected to an infinite bus through a purely reactive circuit as shown in Fig. (4). Reactances are marked on the diagram on a common system base. The generator is delivering power P, = 0.7 pu at 0.75 power factor lagging to the infinite bus at a voltage V = 1.0 pu. Determine the operating power angle of the generator 8 ? E' X = 0.3 pu Ia X₁ = 0.3 XL1 = 0.4 m m XL2 = 0.4 2 V∞o
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