1
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
Consider a three-phase, $$50Hz,$$ $$11$$ $$kV$$ distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulator is $$5$$ times the shunt capacitance between the link an the ground, as shown in the figure. The voltage across the two insulators are
A
$${e_1} = 3.74\,kV,\,{e_2} = 2.61\,kV$$
B
$${e_1} = 3.46\,kV,\,{e_2} = 2.89\,kV$$
C
$${e_1} = 6.0\,kV,\,{e_2} = 4.23\,kV$$
D
$${e_1} = 5.5\,kV,\,{e_2} = 5.5\,kV$$
2
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
The zero-sequence circuit of the three phase transformer shown in the figure is
A
B
C
D
3
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
A three-phase, $$33$$ kV oil circuit breaker is rated $$1200$$ A, $$2000$$ MVA, $$3$$s. The symmetrical breaking current is
A
$$1200$$ A
B
$$3600$$ A
C
$$35$$ kA
D
$$104.8$$ kA
4
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
Consider a stator winding of an alternator with an internal high resistance ground fault. The currents under the fault condition are as shown in the figure. The winding is protected using a differential current scheme with current transformers of ratio $$400/5$$ $$A$$ as shown. The current through the operating coil is
A
$$0.1875$$ $$A$$
B
$$0.2$$ $$A$$
C
$$0.375$$ $$A$$
D
$$60$$ $$kA$$
GATE EE Papers
2023
2022
2021
2020
2019
2018
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12