A  line of length  has the following parameters:

Resistance,

Inductance, ;

Capacitance,

The line is represented by the nominal-  model. With the magnitudes of the sending end and the receiving end voltages of the line (denoted by  and , respectively) maintained at , the phase angle difference  between  and  required for maximum possible active power to be delivered to the receiving end, in degree is ________ (Round off to 2 decimal places).

The nominal- circuit of a transmission line is shown in the figure.                 

Impedance  and reactance. The magnitude of the characteristic impedance of the transmission line, in , is ______________ . (Give the answer up to one decimal place)

A 3-phase, 50 Hz generator supplies power of 3MW at 17.32 kV to a balanced 3-phase inductive load through an overhead line. The per phase line resistance and reactance are  and  respectively. If the voltage at the generator terminal is 17.87 kV, the power factor of the load is ___________ .

For a 400 km long transmission line, the series impedance is  and the shunt admittance is  μmho/km. The magnitude of the series impedance  of the equivalent  circuit of the transmission line is ____________.

The concept of an electrically short, medium and long line is primarily based on the

Consider the model shown in Figure of a transmission line with a series capacitor at its mid-point.  The maximum voltage on the line is at the location

A 66 kV, 3-phase, 50Hz, 150km long overhead transmission line is open circuited at the receiving end. Each conductor has a resistance of 0.25 Ω/km, an inductive reactance of 0.5 Ω/km and a capacitive admittance to neutral of

Draw the nominal π-equivalent circuit and Calculate the receiving end voltage (kV) if the sending end voltage is 66kV