A synchronous motor is operated at a bus voltage of 1.5 pu and drawing – McqOptions

MCQOPTIONS

1.	A synchronous motor is operated at a bus voltage of 1.5 pu and drawing 1.0 pu at zpf leading current. Its synchronous reactance is 0.4 pu. What is the excitation emf of the motor?
A.	2.0 pu
B.	1.5 pu
C.	1.0 pu
D.	1.1 pu
Answer» E.

Discussion

No Comment Found

Related MCQs

Slip test is performed to obtain _____________
When synchronous motor is running at synchronous speed, the damper winding produces?
A stationary alternator is connected to the infinite bus. It should not be connected because ____________
While conducting measurement for Xd and Xq, the information obtained is below. Which one of the following is correct?
In which one of the following is reluctance power developed?
If the excitation of a 3-phase alternator operating on infinite bus bars is changed, which one of the following will get affected?
The phasor diagram of a synchronous machine connected to an infinite bus is shown in the figure. The machine is acting as
An alternator with higher value of SCR has ____________
When a 3–phase alternator is suddenly short–circuited at its terminals, the initial value of the short–circuit current is limited by which one of the following?
If a cylindrical rotor synchronous generator, is connected to the IBB, if the field is made zero, then it behaves as ____________