Power Systems
A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ?

 14.5°
 10.5°
 29°
 35.5°

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Power Systems
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

 always
 if the shunt admittances at the buses are ignored
 if the mutual couplings between transmission lines are absent
 if both 2 and 3 are satisfied

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