1
GATE EE 2016 Set 2
MCQ (Single Correct Answer)
+2
-0.6
Three single-phase transformers are connected to form a delta-star three-phase transformer of
110 kV/ 11 kV. The transformer supplies at 11 kV a load of 8 MW at 0.8 p.f. lagging to a nearby
plant. Neglect the transformer losses. The ratio of phase currents in delta side to star side is
2
GATE EE 2016 Set 1
MCQ (Single Correct Answer)
+2
-0.6
If the star side of the star-delta transformer shown in the figure is excited by a negative sequence voltage, then
3
GATE EE 2016 Set 1
Numerical
+2
-0
A single-phase 400 V, 50 Hz transformer has an iron loss of 5000 W at the condition. When
operated at 200 V, 25 Hz, the iron loss is 2000 W. When operated at 416 V, 52 Hz, the value of the
hysteresis loss divided by the eddy current loss is ________.
Your input ____
4
GATE EE 2016 Set 1
MCQ (Single Correct Answer)
+2
-0.6
A single-phase, 22 kVA, 2200 V/220 V, 50 Hz, distribution transformer is to be connected as an autotransformer
to get an output voltage of 2420 V. Its maximum kVA rating as an auto-transformer is
Questions Asked from Transformers (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE EE 2023 (1)
GATE EE 2018 (2)
GATE EE 2017 Set 2 (1)
GATE EE 2017 Set 1 (1)
GATE EE 2016 Set 2 (2)
GATE EE 2016 Set 1 (3)
GATE EE 2015 Set 1 (2)
GATE EE 2015 Set 2 (3)
GATE EE 2014 Set 3 (4)
GATE EE 2014 Set 2 (1)
GATE EE 2014 Set 1 (1)
GATE EE 2013 (1)
GATE EE 2012 (1)
GATE EE 2010 (1)
GATE EE 2009 (6)
GATE EE 2008 (2)
GATE EE 2007 (1)
GATE EE 2006 (3)
GATE EE 2004 (3)
GATE EE 2003 (3)
GATE EE 2002 (1)
GATE EE 2001 (2)
GATE EE 2000 (1)
GATE EE 1999 (5)
GATE EE 1998 (1)
GATE EE 1997 (2)
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