A 4- pole50 Hz turbo generator supplying 50% of its maximum power capability to 0.6 pu load. The operating power(torque) angle 8° is: (a) 8°-45 mech.deg. (b) 8°=15 mech.deg. (c) 6°=30 mech.deg iii.
A 4- pole50 Hz turbo generator supplying 50% of its maximum power capability to 0.6 pu load. The operating power(torque) angle 8° is: (a) 8°-45 mech.deg. (b) 8°=15 mech.deg. (c) 6°=30 mech.deg iii.
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![A 4- pole50 Hz turbo generator supplying 50% of its maximum power
capability to 0.6 pu load. The operating power(torque) angle 8° is:
(a) 6°=45 mech.deg.
(b) ô°=15 mech.deg.
(c) 8°=30 mech.deg
iii.
iv.
In a load flow study of a power system, one of the buses should be
classified as a slack bus. This is due to the fact that:
(a) The active power losses are unknown unless the study is completed.
(b) The angle of the bus voltages at other buses should be referred to a
reference angle.
(c) The problem cannot be solved mathematically.
The ohmic reactance of a 0.1pu,30 kVA,240/480 V single phase
transformer referred to the low voltage side is:
v.
(a) 0.768 N.
(b) 6.25 2
(c) 0.192 2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdb11175-183a-4d17-a7f9-de0db5281bf4%2F580f6993-4578-4e81-97e8-9b9dabad16c2%2Fwskuumo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 4- pole50 Hz turbo generator supplying 50% of its maximum power
capability to 0.6 pu load. The operating power(torque) angle 8° is:
(a) 6°=45 mech.deg.
(b) ô°=15 mech.deg.
(c) 8°=30 mech.deg
iii.
iv.
In a load flow study of a power system, one of the buses should be
classified as a slack bus. This is due to the fact that:
(a) The active power losses are unknown unless the study is completed.
(b) The angle of the bus voltages at other buses should be referred to a
reference angle.
(c) The problem cannot be solved mathematically.
The ohmic reactance of a 0.1pu,30 kVA,240/480 V single phase
transformer referred to the low voltage side is:
v.
(a) 0.768 N.
(b) 6.25 2
(c) 0.192 2.
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