TY - JFULL
AU - Marian Dragomir and Alin Dragomir
PY - 2017/6/
TI - Influence of the Line Parameters in Transmission Line Fault Location
T2 - International Journal of Energy and Power Engineering
SP - 539
EP - 544
VL - 11
SN - 1307-6892
UR - https://publications.waset.org/pdf/10007022
PU - World Academy of Science, Engineering and Technology
NX - Open Science Index 125, 2017
N2 - In the paper, two fault location algorithms are presented for transmission lines which use the line parameters to estimate the distance to the fault. The first algorithm uses only the measurements from one end of the line and the positive and zero sequence parameters of the line, while the second one uses the measurements from both ends of the line and only the positive sequence parameters of the line. The algorithms were tested using a transmission grid transposed in MATLAB. In a first stage it was established a fault location base line, where the algorithms mentioned above estimate the fault locations using the exact line parameters. After that, the positive and zero sequence resistance and reactance of the line were calculated again for different ground resistivity values and then the fault locations were estimated again in order to compare the results with the base line results. The results show that the algorithm which uses the zero sequence impedance of the line is the most sensitive to the line parameters modifications. The other algorithm is less sensitive to the line parameters modification.
ER -