What is series impedance and shunt impedance of the transmission line?

Characteristic Impedance of a Transmission line is defined as the square root of ratio of series impedance per unit length per phase and shunt admittance per unit length per phase. If z and y are series impedance and shunt admittance of line, the characteristic impedance Z c is given as. Zc = √(z/y)

What is the effect of shunt admittance in for long transmission line?

Shunt capacitance in the transmission line causes voltage amplification ( The receiving end voltage (Vr) may become double the sending end voltage (Vs) (generally in case of very long transmission lines). To compensate it, shunt inductors are connected across the transmission line.

What is shunt admittance of transmission line?

The shunt admittance of a line consists of the conductance and the capacitive susceptance. The conductance is usually ignored because it is very small compared to the capacitive susceptance. The capacitance of a line is the result of the potential difference between conductors.

What is impedance and admittance?

Admittance is the reciprocal (inverse) of impedance, akin to how conductance and resistance are related. Its real part is resistance, and the imaginary part is reactance, which came from the impeding mechanism. When looking at admittance vs impedance, admittance is the inverse (i.e. the reciprocal) of impedance.

What is series and shunt compensation?

In series compensation, the FACTS is connected in series with the power system. It works as a controllable voltage source. To compensate, a shunt capacitor is connected which draws current leading the source voltage. The net result is improvement in power factor.

What is admittance in transmission line?

In electrical engineering, admittance is a measure of how easily a circuit or device will allow a current to flow. It is defined as the reciprocal of impedance, analogous to how conductance & resistance are defined.