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 2000
MCQ (Single Correct Answer)
+1
-0.3
In a 3-step distance protection, the reach of the three zones of the relay at the beginning of the first line typically extends upto
A
100% of the first line, 50% of the second line and 20% of the third line.
B
80% of the first line, 50% of the second line and 20% of the third line.
C
80% of the first line, 20% of the second line and 10% of the third line.
D
50% of first line, 50% of second line and 20% of the third line.
2
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
Reactance relay is normally preferred for protection against
A
Earth faults
B
Phase faults
C
Open-circuit faults
D
None of these
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
If the fault current is $$2000$$ A, the relay setting is $$50$$% and CT ratio is $$400:5,$$ the plug setting multiplier will be
A
$$25$$
B
$$15$$
C
$$50$$
D
$$10$$
4
GATE EE 1992
MCQ (Single Correct Answer)
+1
-0.3
A Buchholz relay is used for
A
Protection of a transformer against all internal faults
B
Protection of a transformer against external faults
C
Protection of a transformer against both internal and external faults
D
Protection of induction motors.
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