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BARC-2018 EE: Power System Quiz 2
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Question 1
The parameters of a transposed overhead transmission line are given as:
Self reactance Xs = 0.5 p.u. and Mutual reactance Xm = 0.1 p.u. Calculate positive sequence reactance and zero sequence reactance respectively (in p.u.) are
Question 2
The ABCD parameters of a 3–phase overhead transmission line are A = D =0.9∠0 B = 200∠90 °W and C = 0.95×10–3∠90 °S. At no load condition a shunt inductive reactor is connected at the receiving end of the line to limit the receiving end voltage to be equal to the sending end voltage. The ohmic value of the reactor is
Question 3
A lossless radial transmission line with surge impedance loading
Question 4
A 800 kV transmission line is having per phase line inductance of 1.1 mH/km and per phase line capacitance of 11.68 nF/km. Ignoring the length of line, its ideal power transfer capability in MW is
Question 5
The complex power consumed by a constant-voltage load is given by (P1+jQ1) where 1kW≤P1≤0.5kW and 0.5 kVAR ≤Q1≤1 kVAR.
A compensating shunt capacitor is chosen such that |Q|≤0.25kVAR where Q is the net reactive power consumed by the capacitor-load combination. The reactive power (in kVAR) supplied by the capacitor is _________.
A compensating shunt capacitor is chosen such that |Q|≤0.25kVAR where Q is the net reactive power consumed by the capacitor-load combination. The reactive power (in kVAR) supplied by the capacitor is _________.
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Sep 10ESE & GATE EE
