A three-phase, 50 Hz, alternator has an inertia constant of
4pu/s. Calculate the
following:
i) Angular speed
ii) Accelerating power if the mechanical power is 1pu and
electrical power
is also 1pu.
iii)Accelerating power when a short circuit fault occurs at the
generator
terminals
iv) Angular momentum
v) Load angle 6 cycles after the occurrence of the fault if the
initial load
angle is 18⁰.
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