Open AccessFifteen phase transmission line protection using daubechies-4 wavelet transform
Author(s) -
Gaurav Kapoor
Publication year - 2020
Publication title -
international journal of engineering, science and technology andb. lagos
Language(s) - English
Resource type - Journals
ISSN - 2141-2839
DOI - 10.4314/ijest.v12i1.1
Subject(s) - wavelet transform , transmission line , daubechies wavelet , wavelet , fault (geology) , discrete wavelet transform , phase (matter) , electric power transmission , computer science , line (geometry) , algorithm , mathematics , electronic engineering , artificial intelligence , engineering , telecommunications , electrical engineering , physics , geology , geometry , quantum mechanics , seismology
In this work, the daubechies-4 wavelet transform (Db4WT) is utilized for fault detection and faulted phase recognition in a fifteen phase transmission line (FPTL). The daubechies-4 wavelet transform has been widely investigated using the MATLAB model of a 765 kV, 200 km long fifteen phase transmission line. The fifteen phase fault currents measured by the current measurements blocks connected at the bus-1 of the fifteen phase transmission line are entered to the wavelet transform algorithm. The first level detail coefficients of the fifteen phase currents are then calculated. The fault detection is carried out with great correctness.
Keywords: fault detection, faulty phase recognition, fifteen phase transmission line protection, wavelet transform.