Power System Analysis
Per Unit System
Marks 1Marks 2
Power Generation Cost
Marks 1Marks 2Marks 5
Power System Stability
Marks 1Marks 2Marks 5
Symmetrical Components and Symmetrical and Unsymmetrical Faults
Marks 1Marks 2Marks 5
Circuit Breaker
Marks 1Marks 2Marks 5
Switch Gear and Protection
Marks 1Marks 2Marks 5
Load Flow Studies
Marks 1Marks 2Marks 5
High Voltage Dc Transmission
Marks 1
Generating Power Station
Marks 1Marks 2
Parameters and Performance of Transmission Lines
Marks 1Marks 2Marks 5
1
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
A $$110$$ $$kV,$$ single core coaxial, XLPE insulated power cable delivering power at $$50$$ $$Hz,$$ has a capacitance of $$125$$ $$nF/km.$$ If the dielectric loss tangent of XLPE is $$\,2\,\, \times \,\,{10^{ - 4}},$$ the dielectric power loss in this cable in $$W/km$$ is
A
$$5.0$$
B
$$31.7$$
C
$$37.8$$
D
$$189.0$$
2
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
A $$800$$ $$kV$$ transmission line is having per phase line inductance of $$1.1$$ $$mH/km$$ and per phase line capacitance of $$11.68$$ $$nF/km.$$ Ignoring the length of the line, its ideal power transfer capability in $$MW$$ is
A
$$1204$$ $$MW$$
B
$$1504$$ $$MW$$
C
$$2085$$ $$MW$$
D
$$2606$$ $$MW$$
3
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
The generalized circuit constants of a $$3$$-phase, $$220$$ $$kV$$ rated voltage, medium length transmission line are $$A = D = 0.936 + j\,0.016 = 0.936\angle {0.98^ \circ }$$
$$B = 33.5 + j138 = 142.0\angle {76.4^ \circ }\,\Omega $$
$$\,C = \left( { - 5.18 + j914} \right) \times \,{10^{ - 6}}\,\Omega $$
If the load at the receiving end is $$50$$ MW at $$220$$ $$kV$$ with a power factor of 0.9 lagging, then magnitude of line to line sending end voltage should be
A
$$133.23$$ $$kV$$
B
$$220.00$$ $$kV$$
C
$$230.78$$ $$kV$$
D
$$246.30$$ $$kV$$
4
GATE EE 2003
MCQ (Single Correct Answer)
+2
-0.6
The ABCD parameters of a $$3$$-phase overhead transmission line are $$\,A = D = 0.9\angle {0^ \circ }.\,\,B = 200\,\angle {90^ \circ }\,\,\Omega \,\,\,$$ and $$\,\,C = 0.95\, \times \,\,{10^{ - 3}}\angle {90^ \circ }\,\,S.\,\,\,\,$$ At no-load condition, a shunt inductive reactor is connected at the receiving end of the line to limit the receiving end voltage to be equal to the sending-end voltage. The ohmic value of the reactor is
A
$$\infty \Omega $$
B
$$2000\,\Omega $$
C
$$105.26\,\Omega $$
D
$$1052.6\,\Omega $$
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
Electrical and Electronics Measurement