If the excitation of a 3-phase alternator operating on infinite bus ba – McqOptions

MCQOPTIONS

1.	If the excitation of a 3-phase alternator operating on infinite bus bars is changed, which one of the following will get affected?
A.	Active real power of machine
B.	Reactive power of machine
C.	Terminal voltage of machine
D.	Frequency of machine
Answer» C. Terminal voltage of machine

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 ____________
Consider a 3-phase alternator with negligible armature resistance and high rotational inertia delivering power to an isolated load when the armature terminals got short circuited. After sometime, the mechanical power input to the shaft of the machine is terminated at time t0. The short-circuit current circulating in the armature will change till the machine comes to halt at ts . Which one of the curves depicts this phenomena?
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?
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 ____________
A 3 Phase 400, 100 MVA alternator is connected to infinite bus bar. If the mechanical power input is more than the maximum reluctance power, the reluctance generator will lose synchronizm if ____________