I. Define the Situation:
Steady Operation Prior to the Fault
Operation During the Fault
A synchronous generator with the parameters given above is operating with constant mechanical torque, Tm, equal to 0.77 pu and delivering power to an infinite bus.
Assume that:
II. Desired
Part I
Using analytical methods (not simulation) calcuate the:
III. Solution
1. Calculate the critical clearing angle, γcr.
a. Calculate the initial rotor angle, γ0.
Initial guess
b. Calculate δmax.
Initial guess
c. Calculate γ.cr.
Initial guess:
2. Calcuate the critical clearing time:
From Session 20 page 9.
3. Calculate the maximum swing angle with tc =
Initial guess:
3. Calculate the maximum swing angle with tc =
Initial guess: