If the internal power factor angle of synchronous motor is 30 degree. – McqOptions

MCQOPTIONS

1.	If the internal power factor angle of synchronous motor is 30 degree. Then the direct-axis component of the armature current will be
A.	0.5 pu
B.	0.866 pu
C.	1.73 pu
D.	0
Answer» B. 0.866 pu

Discussion

No Comment Found

Related MCQs

For obtaining maximum current when we conduct the ‘Slip Test’ on a synchronous machine, its armature field will align along __________
for a synchronous motor, its power factor __________
While finding the parameters for an alternator, its voltage regulation is found to be negative. Then the load connected to it must be __________
For a 400 V, 3 phase alternator gives an open circuit voltage of 380V and armature current of 38A at a field current of 20A. Then the synchronous reactance of the machine is?
Mark the correct expression for alternator working at a lagging power factor.a) tanψ = (IaXq – Vtsinθ)/(Vtcosθ – Ia*ra)b) tanψ = (IaXq + Vtsinθ)/(Vtcosθ – Ia*ra)c) tanψ = (IaXq + Vtsinθ)/(Vtcosθ + Ia*ra)d) tanψ = (IaXq – Vtsecθ)/(Vtcosecθ – Ia*r
A salient pole synchronous generator has following per-unit parameter Xd = 1.2 pu, Xq = 0.8pu, ra = 0.25 ohms. Then the armature current at 0.8 lagging is?
If the internal pf angle of a synchronous motor is 30 degree. Then the quadrature axis component of the armature is?
If the internal power factor angle of synchronous motor is 30 degree. Then the direct-axis component of the armature current will be __________
In salient-pole machines, the armature mmf cannot be accounted for by introducing one equivalent reactance due to __________
FOR_A_SYNCHRONOUS_MOTOR,_ITS_POWER_FACTOR?$