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Determine the limit power for static stability in a system where a generator with a reactance...

Determine the limit power for static stability in a system where a generator with a reactance of j0.5 p.u. is connected to an impedance of j1.0 p.u. through a rigid network. The generator pole voltage is maintained at 1.2 p.u. ∠? and the rigid network voltage is 1.0 p.u. ∠ 0 °.

a. Draw a substitution

b. Solve for angle ? (for static stability boundary power).

c. Solve the generator source voltage

d. Solve the Limit Power for Static Stability

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Answer #1

b. Angle ? (for static stability boundary power) is 73.87 degree

c. generator source voltage = 1.728 pu angle 90 degree

d. Limit Power for Static Stability is 1.152 pu

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