In Short Transmission Line the effect of shunt conductance and shunt capacitance are neglected and only the series resistance and inductive reactance are to be consider. The charging current in a low voltage (i.e. short transmission line) is very-very less. Therefore, shunt capacitance is neglected. The R, L is concentrated centrally as.
Any electrical network generally has two input terminals and two output terminals. If we consider any complex electrical network in a black box, it will have two input terminals and output terminals. This network is called two – port network. Two port model of a network simplifies the network solving technique. Mathematically a two port network can be solved by 2 by 2 matrix. A transmission as it is also an electrical network, line can be represented as two port network.
Short Transmission Line
Then the VS and IS is written in matrix form as
[Vs/Is] = [ 1 z ] [ Vr/Ir ]
Then equation is written in a two port network as
[ Vs/Is] = [ A B /C D ] [ Vr/Is ]
Therefore, Vs = AVR + BIR
Is = CVR + DIR
The power losses = 3 IR2R
The Sending end power (Ps) = Vs Is cosS
The Receiving end power (PR) = Vs Is cosR
The efficiency of Transmission line (n) = Pr/Ps* 100 %
The regulation of the line = (Vs-Vr)/Vr * 100 %
Short transmission line + alternating current short transmission line + medium transmission lines + short transmission lines pdf + transmission line fundamentals + voltage along transmission line + transmission line losses ppt + determine dead time delay for transmission line and velocity + short transmission line problems and solutions + short transmission line model + types of transmission lines + power transmission lines + transmission lines pdf + transmission lines and wave guides + transmission lines basic theory +transmission lines theory + characteristic impedance transmission line