What is the relation between power and power factor?

Power Triangle and Power Factor Summary The power factor of an AC circuit is defined as the ratio of the real power (W) consumed by a circuit to the apparent power (VA) consumed by the same circuit. This therefore gives us: Power Factor = Real Power/Apparent Power, or p.f. = W/VA.

What is the condition for Ferranti effect?

The Ferranti Effect is a voltage increase in the receiving end of an electrical transmission line when it is operated in a no-load, or low-load, condition. This results in a receiving end voltage value higher than the sending point. This phenomenon was discovered by electrical engineer Sebastian Ziani de Ferranti.

Why does Ferranti take place?

Ferranti Effect occurs when current drawn by the distributed capacitance of the line itself is greater than the current associated with the load at the receiving end of the line(during light or no load).

What happened during the Ferranti effect?

What happens during the Ferranti effect? Explanation: In a medium or long transmission line when open circuited or lightly loaded the receiving end voltage is found more than the standing in voltage. This phenomenon of rise in voltage at receiving end of open circuited or lightly loaded line is called Ferranti effect.

What is Ferranti effect in power system?

The Ferranti effect can be defined as an effect in which the receiving end voltages gets higher at transmission line than that of the voltages at the transmission end. The effect may be occurring because of several reasons such as open circuit at reception end or because of the lighter load at the receiving end.

What is ferferranti effect in transmission lines?

Ferranti Effect is the rise in receiving-end voltage (V R) as compared to the sending-end voltage (V S) of a transmission line.

Why is (vs-vr ) negative in Ferranti effect?

Above equation shows that (VS-Vr ) is negative. That is Vr>VS. This equation also shows that Ferranti effect also depends on frequency and the electrical length of the lines. At no load, For a long line, A is less than unity, and it decrease with the increase in the length of the line.

What is the Ferranti effect for a small Pi?

The equation for a small PI can be deduced as follows known as Ferranti effect equation. However in case if the resistance of transmission lines is neglected. This equation is showing that is in negative value which means that the voltages at the receiving end are greater than that of transmission end.