1 2 X₁ = 0.2 XL = 0.3 V = 1.0 озе 00 XL2-0.3 X'=0.3 A 50Hz synchronous generator having inertia constant H=5MJ/MVA and a direct axis transient reactance X = 0.3 per unit is connected to an infinite bus through a purely reactive circuit as shown above. Reactances in per unit on a common system base are marked on the diagram. The generator is delivering real power P = 0.8 per unit and Q = 0.074 per unit to the infinite bus at a voltage V = 1.0 per unit when a 3- phase fault occurs at the receiving end. Determine the critical clearing angle.
1 2 X₁ = 0.2 XL = 0.3 V = 1.0 озе 00 XL2-0.3 X'=0.3 A 50Hz synchronous generator having inertia constant H=5MJ/MVA and a direct axis transient reactance X = 0.3 per unit is connected to an infinite bus through a purely reactive circuit as shown above. Reactances in per unit on a common system base are marked on the diagram. The generator is delivering real power P = 0.8 per unit and Q = 0.074 per unit to the infinite bus at a voltage V = 1.0 per unit when a 3- phase fault occurs at the receiving end. Determine the critical clearing angle.
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 7.14P: Equipment ratings for the five-bus power system shown in Figure 7.15 are as follows: Generator G1:Â...
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