1
GATE EE 2003
MCQ (Single Correct Answer)
+2
-0.6
A $$4$$-pole, $$3$$-phase, double layer winding is housed in a $$36$$-slot stator for an $$ac$$ machine with $$60$$ degree phase spread. Coil span is $$7$$ slot pitches. Number of slots in which top and bottom layers belong to different phases is.
2
GATE EE 2002
MCQ (Single Correct Answer)
+2
-0.6
The flux per pole in a synchronous motor with the field circuit ON and the stator disconnected from the supply is found to be $$25$$ $$mWb.$$ When the stator is connected to the rated supply with the field excitation unchanged, the flux per pole in the achine is found to be $$20$$ $$mWb$$ while the motor is running on no load. Assuming no load losses to be zero, the no load current down by the motor from the supply
3
GATE EE 2001
MCQ (Single Correct Answer)
+2
-0.6
A star-connected 440 V, 50 Hz alternators has per phase synchronous reactance
of 10 Ω. It supplies a balanced capacitive load current of 20 A, as shown in the
per phase equivalent circuit of Figure. It is desirable to have zero voltage
regulation. The load power factor should be
4
GATE EE 2000
MCQ (Single Correct Answer)
+2
-0.6
A single-phase, 2000 V alternator has armature resistance and reactance of 0.8
ohms and 4.94 ohms respectively. The voltage regulation of the alternator at
100 A load at 0.8 leading power-factor is:
Questions Asked from Synchronous Machines (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE EE 2024 (2)
GATE EE 2023 (1)
GATE EE 2022 (1)
GATE EE 2017 Set 2 (3)
GATE EE 2017 Set 1 (1)
GATE EE 2016 Set 1 (1)
GATE EE 2015 Set 2 (1)
GATE EE 2014 Set 3 (1)
GATE EE 2014 Set 2 (3)
GATE EE 2014 Set 1 (1)
GATE EE 2011 (1)
GATE EE 2010 (2)
GATE EE 2009 (1)
GATE EE 2008 (2)
GATE EE 2007 (2)
GATE EE 2006 (3)
GATE EE 2005 (2)
GATE EE 2004 (6)
GATE EE 2003 (1)
GATE EE 2002 (1)
GATE EE 2001 (1)
GATE EE 2000 (1)
GATE EE 1999 (1)
GATE EE 1998 (1)
GATE EE 1997 (1)
GATE EE 1993 (3)
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