1
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
For the system shown below, SD1 and SD2 are complex power demands at bus $$1$$ and bus $$2$$ respectively. If $$\left| {{V_2}} \right| = 1$$ pu, the VAR rating of the capacitor (QG2) connected at bus $$2$$ is GATE EE 2012 Power System Analysis - Parameters and Performance of Transmission Lines Question 27 English
A
$$0.2$$ pu
B
$$0.268$$ pu
C
$$0.312$$ pu
D
$$0.4$$ pu
2
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
A lossy capacitor $${C_x}$$, rated for operation at $$5$$ $$kV,$$ $$50$$ $$Hz$$ is represented by an equivalent circuit with an ideal capacitor $${C_p}$$ in parallel with a resistor $${R_p}$$. The value $${C_p}$$ is found to be $$0.102$$ $$\mu F$$ and the value of $${R_p}$$ $$=$$ $$1.25$$ $$M\Omega .$$ Then the power loss and $$tan\delta $$ of the lossy capacitor operating at the rated voltage, respectively, are
A
$$10$$ $$W$$ and $$0.0002$$
B
$$10$$ $$W$$ and $$0.0025$$
C
$$20$$ $$W$$ and $$0.025$$
D
$$20$$ $$W$$ and $$0.04$$
3
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
Consider a three-core, three phase, $$50$$ $$Hz$$, $$11$$ $$kV$$ cable whose conductors are denoted as $$R, Y$$ and $$B$$ in the figure. The inter-phase capacitance $$\left( {{C_1}} \right)$$ between each pair of conductors is $$0.2$$ $$\mu F$$ and the capacitance between each line conductor and the sheath is $$0.4$$ $$\mu F$$ . The per-phase charging current is GATE EE 2010 Power System Analysis - Parameters and Performance of Transmission Lines Question 31 English
A
$$2.0$$ $$A$$
B
$$2.4$$ $$A$$
C
$$2.7$$ $$A$$
D
$$3.5$$ $$A$$
4
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
A $$50$$ $$Hz$$ synchronous generator is initially connected to a long lossless transmission line which is open circuited at the receiving end. With the field voltage held constant, the generator is disconnected from the transmission line. Which of the following may be said about the steady state terminal voltage and field current of the generator?
A
The magnitude of terminal voltage decreases, and the field current does not change.
B
The magnitude of terminal voltage increases, and the field current does not change.
C
The magnitude of terminal voltage increases, and the field current increases.
D
The magnitude of terminal voltage does not change, and the field current decreases.
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