Electrical Machines Power Flow Inductive Impedance Online Exam Quiz
Electrical Machines Power Flow Inductive Impedance GK Quiz. Question and Answers related to Electrical Machines Power Flow Inductive Impedance. MCQ (Multiple Choice Questions with answers about Electrical Machines Power Flow Inductive Impedance
for a 3 phase 315V alternator having impedance angle of 60 degree, the required load angle for the maximum power input to the generator is _______
Options
A : 120°
B : 60°
C : 150°
D : 30°
With constant E,V,Z, the maximum input power can be obtained at load angle of value _______
Options
A : 180-?
B : 90+?
C : ?
D : 180
The condition for maximum power output for an alternator having its load impedance as (2+j) ohms is?
Options
A : 26.56°
B : 63.43°
C : 90°
D : 116.56°
The reactive power flow is outward from an alternator, then the alternator works at ____________
Options
A : lagging power factor
B : leading power factor
C : zero power factor
D : normal power factor
For a 3 phase synchronous generator of terminal voltage as 1 pu and field excitation of 1 pu. If the resistive drop is 0.2 pv, then what can be concluded for power factor?
Options
A : Leading
B : Lagging
C : Upf
D : Zpf
For a 3 phase synchronous generator of terminal voltage as 1 pu and field excitation of 1.5 pu. If the resistive drop is 0.2 pv, then what can be concluded for power factor?
Options
A : Leading
B : Lagging
C : Upf
D : Zpf
Reactive power is a matter of interest at ____________
Options
A : output terminals of generator
B : input terminal of motor
C : output terminals of generator and input terminal of motor
D : none of the mentioned
The reactive power flow is outward from an alternator, then it is ____________
Options
A : over excited
B : under excited
C : critically excited
D : none of the mentioned
Which is the correct relation below?
Options
A : Pim = -Pog
B : Pim = (Pog)*
C : Pim = Pog
D : Pim = -(Pog)*
For a 3 phase synchronous motor, the load angle should be equal to impedance angle.
Options
A : True
B : False
C :
D :
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