1
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
Two generator units $$G1$$ and $$G2$$ are connected by $$15$$ $$kV$$ line with a bus at the mid-point as shown below GATE EE 2011 Power System Analysis - Per Unit System Question 5 English
$${G_1} = 250\,\,MVA.\,\,\,15kV,\,\,$$ positive sequence $$X = 25$$% on its own base
$${G_2} = 100\,\,MVA.\,\,\,15kV,\,$$ positive sequence $$X = 10$$% on its own base
$${L_1}$$ and $${L_2}$$ $$= 10$$ $$km,$$ positive sequence $$ X = 0.225$$ $$\,\,\Omega /km$$

For the above system, the positive sequence diagram with the p.u values on the $$100$$ $$MVA$$ common

A
GATE EE 2011 Power System Analysis - Per Unit System Question 5 English Option 1
B
GATE EE 2011 Power System Analysis - Per Unit System Question 5 English Option 2
C
GATE EE 2011 Power System Analysis - Per Unit System Question 5 English Option 3
D
GATE EE 2011 Power System Analysis - Per Unit System Question 5 English Option 4
2
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
Two generator units $$G1$$ and $$G2$$ are connected by $$15$$ $$kV$$ line with a bus at the mid-point as shown below GATE EE 2011 Power System Analysis - Per Unit System Question 4 English
$${G_1} = 250\,\,MVA.\,\,\,15kV,\,\,$$ positive sequence $$X = 25$$% on its own base
$${G_2} = 100\,\,MVA.\,\,\,15kV,\,$$ positive sequence $$X = 10$$% on its own base
$${L_1}$$ and $${L_2}$$ $$= 10$$ $$km,$$ positive sequence $$ X = 0.225$$ $$\,\,\Omega /km$$

In the above system the three-phase fault $$MVA$$ at the bus $$3$$ is

A
$$82.55$$ $$MVA$$
B
$$85.11$$ $$MVA$$
C
$$170.91$$ $$MVA$$
D
$$181.82$$ $$MVA$$
3
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
A nuclear power station of $$500$$ $$MW$$ capacity is located at $$300$$ km away from a load center. Select the most suitable power evacuation transmission configuration among the following options.
A
GATE EE 2011 Power System Analysis - Parameters and Performance of Transmission Lines Question 68 English Option 1
B
GATE EE 2011 Power System Analysis - Parameters and Performance of Transmission Lines Question 68 English Option 2
C
GATE EE 2011 Power System Analysis - Parameters and Performance of Transmission Lines Question 68 English Option 3
D
GATE EE 2011 Power System Analysis - Parameters and Performance of Transmission Lines Question 68 English Option 4
4
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
For enhancing the power transmission in along $$EHV$$ transmission line, the most preferred is to connect a
A
Series inductive compensator in the line
B
Shunt inductive compensator at the receiving end
C
Series capacitive compensator in the line
D
Shunt capacitive compensator at the sending end
EXAM MAP