400 KVA, 400 V three-phase star connected 2p3D2 pole round rotor synchronous the leakage reactance of the generator is 0.1 0 and the armature reactance is 0.3 0. Friction-ventilation losses and iron losses total 20 KW (Other losses can be neglected). According to this; a) Pole wheel induced when the generator is at 80% load and cos 4 = 0.9 (inductive) Find the voltage, load angle, phase angle (power angle) and internal phase angle. b) Under these operating conditions internal power (air gap power) and drive power (input power) calculate.

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400 KVA, 400 V three-phase star connected 2p=2 pole round rotor
synchronous
the leakage reactance of the generator is 0.1 0 and the armature
reactance is 0.30. Friction-ventilation losses
and iron losses total 20 KW (Other losses can be neglected).
According to this;
a) Pole wheel induced when the generator is at 80% load and cos e =
0.9 (inductive)
Find the voltage, load angle, phase angle (power angle) and internal
phase angle.
b) Under these operating conditions internal power (air gap power)
and drive power (input power)
calculate.
Transcribed Image Text:400 KVA, 400 V three-phase star connected 2p=2 pole round rotor synchronous the leakage reactance of the generator is 0.1 0 and the armature reactance is 0.30. Friction-ventilation losses and iron losses total 20 KW (Other losses can be neglected). According to this; a) Pole wheel induced when the generator is at 80% load and cos e = 0.9 (inductive) Find the voltage, load angle, phase angle (power angle) and internal phase angle. b) Under these operating conditions internal power (air gap power) and drive power (input power) calculate.
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