1
GATE EE 2023
MCQ (Single Correct Answer)
+1
-0.33

A 10-pole, 50 Hz, 240 V, single phase induction motor runs at 540 RPM while driving rated load. The frequency of induced rotor currents due to backward field is

A
100 Hz
B
95 Hz
C
10 Hz
D
5 Hz
2
GATE EE 2022
Numerical
+1
-0

The frequencies of the stator and rotor currents flowing in the three-phase 8-pole induction motor are 40 Hz and 1 Hz, respectively. The motor speed, in rpm, is ________. (round off to nearest integer).

Your input ____
3
GATE EE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A 3-phase, 4-pole, 400 V, 50 Hz squirrel-cage induction motor is operating at a slip of 0.02. The speed of the rotor flux in mechanical rad/sec, sensed by a stationary observer, is closest to
A
1500
B
1470
C
157
D
154
4
GATE EE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
A 4 pole induction machine is working as an induction generator. The generator supply frequency is 60 Hz. The rotor current frequency is 5 Hz. The mechanical speed of the rotor in RPM is
A
1350
B
1650
C
1950
D
2250
GATE EE Subjects
EXAM MAP