1
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
$$230$$ $$V$$ (phase) $$50$$ Hz, three-phase, $$4$$-wire, system has a sequence $$ABC$$. A unity power-factor load of $$4$$ kW is connected between phase A and neutral $$N$$. It is desired to achieve zero neutral current through the use of a pure inductor and pure capacitor in the other two phases. The Value of inductor and capacitor is......
A
$$72.95$$ $$mH$$ in phase $$C$$ & $$139.02$$ $$\mu F$$ in Phase $$B$$
B
$$72.95$$ $$mH$$ in Phase $$B$$ & $$139.02$$ $$\mu F$$ in Phase $$C$$
C
$$42.12$$ $$mH$$ in Phase $$C$$ & $$240.79$$ $$\mu F$$ in Phase $$B$$
D
$$42.12$$ $$mH$$ in Phase $$B$$ & $$240.79$$ $$\mu F$$ in Phase $$C$$
2
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
Single line diagram of a $$4$$-bus single source distribution system is shown below. Branches $${e_1},\,\,$$ $${e_2},\,\,$$ $${e_3}\,\,$$ and $${e_4}\,\,$$ have equal impedences. The load current values indicated in the figure are in per unit. GATE EE 2007 Power System Analysis - Parameters and Performance of Transmission Lines Question 6 English

Distribution Company's policy requires radial system operation with minimum loss. This can be achieved by opening of the branch

A
$${e_1}$$
B
$${e_2}$$
C
$${e_3}$$
D
$${e_4}$$
3
GATE EE 2007
MCQ (Single Correct Answer)
+1
-0.3
Consider the transformer connections in a part of a power system shown in the figure. The nature of transformer connections and phase shifts are indicated for all but one transformer. Which of the following connections, and the corresponding phase shift $$\theta ,$$ should be used for the transformer between $$A$$ and $$B$$? GATE EE 2007 Power System Analysis - Parameters and Performance of Transmission Lines Question 5 English
A
Star $$-$$ $$\,\left( {\theta = {0^ \circ }} \right)$$
B
Star $$-$$ Delta $$\,\left( {\theta = {-30^ \circ }} \right)$$
C
Delta $$-$$ Star $$\,\left( {\theta = {30^ \circ }} \right)$$
D
Star $$-$$ Zigzag $$\,\left( {\theta = {30^ \circ }} \right)$$
4
GATE EE 2007
MCQ (Single Correct Answer)
+1
-0.3
The incremental cost curves in Rs/MWhr for two generators supplying a common load of $$700$$ MW are shown in the figures. The maximum and minimum generation limits are also indicated. The optimum generation schedule is: GATE EE 2007 Power System Analysis - Power Generation Cost Question 16 English
A
Generator A : $$400$$ MW,
Generator B : $$300$$ MW
B
Generator A : $$350$$ MW,
Generator B : $$350$$ MW
C
Generator A : $$450$$ MW,
Generator B : $$250$$ MW
D
Generator A : $$425$$ MW,
Generator B : $$275$$ MW
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