TRANSMISSION LINE FAULT ANALYSIS BY USING MATLAB SIMULATION

Now-a-days the demand of electricity or power are increases day by day this results to transmits more power by increasing the transmission line capacity from one place to the other place. But during the transmission some faults are occurred in the system, such as L-L fault (line to line), 1L-G fault (single line to ground) and 2L-G fault (double line to ground). These faults affect the power system equipments which are connected to it. The main aim of this paper is to study or analysis of various faults and also identifies the effect of the fault in transmission line along with bus system which is connected to transmission line. This paper approaches to the MATLAB software in which transmission line model is designed and various faults will be occurred by using fault tool box which has discussed above. After that, various effects on bus system due to different faults are shown such as voltage, current, power along with the positive, negative and zero sequence components of voltage and current output in terms of waveforms.