1
GATE EE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In a constant V/f control of induction motor, the ratio V/f is maintained constant from 0 to
base frequency, where V is the voltage applied to the motor at fundamental frequency f.
Which of the following statements relating to low frequency operation of the motor is TRUE?
2
GATE EE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A three-phase, 4-pole, self excited induction generator is feeding power to a load at a
frequency $$f_1$$. If the load is partially removed, the frequency becomes $$f_2$$. If the speed of the
generator is maintained at 1500 rpm in both the cases, then
3
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
4
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
Questions 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 (1)
GATE EE 2017 Set 2 (1)
GATE EE 2017 Set 1 (1)
GATE EE 2016 Set 2 (1)
GATE EE 2016 Set 1 (1)
GATE EE 2015 Set 2 (1)
GATE EE 2014 Set 2 (2)
GATE EE 2014 Set 3 (2)
GATE EE 2014 Set 1 (1)
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
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits