Transmission line fault location by solving line differential equations

Bendjabeur, Abdelhamid and Kouadri, Abdelmalek and Mekhilef, Saad (2021) Transmission line fault location by solving line differential equations. Electric Power Systems Research, 192. ISSN 0378-7796, DOI

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The present paper describes a new algorithm for reliably locating the faults that frequently take place on electrical transmission lines. The proposed fault location technique considers a distributed-parameter line model that is given in the form of Partial Differential Equations (PDEs) whose boundary conditions are taken as synchronized time-domain data recorded from both sending and receiving terminals. The Adomian Decomposition Method is employed to spatially solve the sampled-time line model. The obtained solution provides phase voltages and currents profiles at each sample time as a function of line length. This function is expressed as a polynomial whose coefficients are simply determined by an easily-applied recursive procedure. One of the main interesting features of the developed scheme is that it can handle the case of unsymmetrical transmission lines without the need of modal decomposition that decouples the original three-phase system to an equivalent three independent single-phase systems. Simulations and calculations are all proceeded with MATLAB. The obtained results through different simulations show that the new methodology is operational, applicable, and accurate.

Item Type: Article
Funders: la Direction Generale de la Recherche Scientifique et du Developpement Technologique (DGRSDT)-Algeria under the PRFU research project (A01L08UN350120200002)
Uncontrolled Keywords: Transmission line (TL); Fault location (FL); Distributed-parameter model; Adomian decomposition method (ADM); Unsymmetrical lines; Ordinary and partial differential equations (ODEs PDEs); Ordinary and partial differential equations (ODEsPDEs)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > UM Power Energy Dedicated Advanced Centre
Depositing User: Ms Zaharah Ramly
Date Deposited: 03 Jun 2022 01:10
Last Modified: 03 Jun 2022 01:10

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