Electric Drives Regenerative Braking 3 Phase Im Online Exam Quiz
Electric Drives Regenerative Braking 3 Phase Im GK Quiz. Question and Answers related to Electric Drives Regenerative Braking 3 Phase Im. MCQ (Multiple Choice Questions with answers about Electric Drives Regenerative Braking 3 Phase Im
For motoring mode, the phase angle between the stator phase voltage and stator phase current should be _______
Options
A : < 90°
B : > 90°
C : < 40°
D : 180°
A 3 – phase, 4 pole IM is supplied from a 40 Hz source. Calculate rotor frequency when the rotor runs 100 rpm.
Options
A : 35 Hz
B : 36.6 Hz
C : 9 Hz
D : 8 Hz
Power input to an induction motor is given by _________
Options
A : 3VpIpcos?
B : 2VpIpcos?
C : VpIpcos?
D : 5VpIpcos?
Calculate the three-phase power using the following data: Vp=23 V, Ip=23 A, ?=60.
Options
A : 793.5 W
B : 790 W
C : 792 W
D : 791 W
Magnetizing current in the induction motor is ______
Options
A : more than the transformer
B : equal as a transformer
C : less than the transformer
D : 0
The relative speed between the rotor and stator in the induction motor is ______
Options
A : Nr
B : Ns-Nr
C : Ns+Nr
D : 0
What is the speed of the 11th order harmonics in the induction motor?
Options
A : Ns
B : Ns/11
C : 2×Ns
D : Nr
What is the speed of the 6th order time harmonics in the induction motor?
Options
A : Ns
B : Ns/6
C : 6×Ns
D : 0
The relative speed between the stator magnetic field and stator in the induction motor is ______
Options
A : Ns
B : Ns-Nr
C : Ns+Nr
D : 0
The relative speed between the stator magnetic field and rotor in the induction motor is ______
Options
A : Ns
B : Ns-Nr
C : Ns+Nr
D : 0
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