1
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
Consider a three-phase, $$50Hz,$$ $$11$$ $$kV$$ distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulator is $$5$$ times the shunt capacitance between the link an the ground, as shown in the figure. The voltage across the two insulators are GATE EE 2010 Power System Analysis - Parameters and Performance of Transmission Lines Question 30 English
A
$${e_1} = 3.74\,kV,\,{e_2} = 2.61\,kV$$
B
$${e_1} = 3.46\,kV,\,{e_2} = 2.89\,kV$$
C
$${e_1} = 6.0\,kV,\,{e_2} = 4.23\,kV$$
D
$${e_1} = 5.5\,kV,\,{e_2} = 5.5\,kV$$
2
GATE EE 2009
MCQ (Single Correct Answer)
+2
-0.6
Match the items List-$${\rm I}$$ (To) with the items in List-$${\rm II}$$ (Use) and select the correct answer using the codes given below the lists.

List-$${\rm I}$$
$$A.$$ improve power factor
$$B.$$ reduce the current ripples
$$C.$$ increase the power flow in line
$$D$$ reduce the Ferranti effect

List-$${\rm II}$$
$$1.$$ shunt reactor
$$2.$$ shunt capacitor
$$3.$$ series capacitor
$$4.$$ series reactor

A
$$a \to 2,\,\,b \to 3,\,\,c \to 4,\,\,d \to 1$$
B
$$a \to 2,\,\,b \to 4,\,\,c \to 3,\,\,d \to 1$$
C
$$a \to 4,\,\,b \to 3,\,\,c \to 1,\,\,d \to 2$$
D
$$a \to 4,\,\,b \to 1,\,\,c \to 3,\,\,d \to 2$$
3
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A lossless transmission line having Surge Impedance Loading $$(SIL)$$ of $$2280$$ $$MW.$$ A Series capacitive compensation of $$30$$% is emplaced. Then $$SIL$$ of the compensated transmission line will be
A
$$1835$$ $$MW$$
B
$$2280$$ $$MW$$
C
$$2725$$ $$MW$$
D
$$3257$$ $$MW$$
4
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 $$C$$
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