1
GATE EE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Shunt reactors are sometimes used in high voltage transmission systems to
A
limit the short circuit current through the line
B
compensate for the series reactance of the line under heavily loaded condition
C
limit over-voltages at the load side under lightly loaded condition
D
compensate for the voltage drop in the line under heavily loaded condition.
2
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
The angle $$\delta $$ in the swing equation of a synchronous generator is the
A
angle between stator voltage and current
B
angular displacement of the rotor with respect to the stator.
C
angular displacement of the stator mmf with respect to a synchronously rotating axis.
D
angular displacement of an axis fixed to the rotor with respect to a synchronously rotating axis.
3
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
A round rotor generator with internal voltage $${E_1} = 2.0\,\,$$ p.u.and $$\,X = 1.1\,\,$$ p.u. is connected to a round rotor synchronous motor with internal voltage $$\,\,{E_2} = 1.3\,\,$$ p.u. and $$\,X = 1.2\,\,$$ p.u. The reactance of the line connecting the generator to the motor is $$0.5$$ p.u. when the generator supplies $$0.5$$ p.u. power, the rotor angle difference between the machines will be
A
$${57.42^ \circ }$$
B
$${1^ \circ }$$
C
$${32.58^ \circ }$$
D
$${122.58^ \circ }$$
4
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
Steady state stability of a power system is the ability of the power system to
A
Maintain voltage at the rated voltage level.
B
Maintain frequency exactly at 50 Hz.
C
Maintain a spinning reserve margin at all times.
D
Maintain synchronism between machines and on external tie lines.
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