1
GATE EE 2015 Set 2
Numerical
+1
-0
The figure shows the per-phase equivalent circuit of a two-pole three-phase induction motor operating at 50 Hz. The 'air-gap' voltage, Vg across the magnetizing inductance, is 210Vrms, and the slip, s, is 0.05. The torque (in Nm) produced by the motor is ________.
Your input ____
2
GATE EE 2014 Set 1
Numerical
+1
-0
An 8-pole, 3-phase, 50 Hz induction motor is operating at a speed of 700 rpm. The frequency
of the rotor current of the motor in Hz is ________.
Your input ____
3
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
A single phase induction motor is provided with capacitor and centrifugal switch in series
with auxiliary winding. The switch is expected to operate at a speed of 0.7 Ns, but due to
malfunctioning the switch fails to operate. The torque-speed characteristic of the motor is
represented by
A
B
C
D
4
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The torque-speed characteristics of motor ($$T_M$$) and load ($$T_L$$) for two cases are shown in the
figures (a) and (b). The load torque is equal to motor torque at points P, Q, R and S
The stable operating points are
The stable operating points areQuestions Asked from Induction Machines (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE EE 2024 (1)
GATE EE 2023 (1)
GATE EE 2022 (3)
GATE EE 2017 Set 1 (1)
GATE EE 2017 Set 2 (1)
GATE EE 2016 Set 2 (1)
GATE EE 2016 Set 1 (1)
GATE EE 2015 Set 2 (1)
GATE EE 2014 Set 1 (1)
GATE EE 2014 Set 3 (2)
GATE EE 2014 Set 2 (2)
GATE EE 2013 (1)
GATE EE 2012 (1)
GATE EE 2010 (1)
GATE EE 2005 (2)
GATE EE 2004 (3)
GATE EE 2003 (2)
GATE EE 2002 (1)
GATE EE 1999 (2)
GATE EE 1998 (1)
GATE EE 1997 (1)
GATE EE 1996 (5)
GATE EE 1995 (1)
GATE EE 1994 (1)
GATE EE 1993 (1)
GATE EE Subjects
Electric Circuits
Electromagnetic Fields
Signals and Systems
Electrical Machines
Engineering Mathematics
General Aptitude
Power System Analysis
Electrical and Electronics Measurement
Analog Electronics
Control Systems
Power Electronics