Volume 17, Issue 4 (December 2021)                   IJEEE 2021, 17(4): 1927-1927 | Back to browse issues page

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Ahmadinia M, Sadeh J. An Accurate PMU-Based Fault Location Scheme for Shunt-Compensated Transmission Lines. IJEEE 2021; 17 (4) :1927-1927
URL: http://ijeee.iust.ac.ir/article-1-1927-en.html
An Accurate PMU-Based Fault Location Scheme for Shunt-Compensated Transmission Lines
M. Ahmadinia , J. Sadeh
Abstract:   (2400 Views)
In this paper, an accurate fault location scheme based on phasor measurement unit (PMU) is proposed for shunt-compensated transmission lines. It is assumed that the voltage and current phasors on both sides of the shunt-compensated line have been provided by PMUs. In the proposed method, the faulted section is determined by presenting the absolute difference of positive- (or negative-) sequence current angles index, firstly. After determining faulted section, the voltage phasor at the shunt-compensator terminal is estimated via the sound section. The faulted section can be assumed as a perfect transmission line that synchronized voltage and current phasors at one end and voltage phasor at the other end are available. Secondly, a new fault location algorithm is presented to locate the precise fault point in the faulted section. In this algorithm, the location of the fault and the fault resistance are calculated simultaneously by solving an optimization problem, utilizing the heuristic Particle Swarm Optimization (PSO) method. The simulation results in MATLAB/SIMULINK platform demonstrate the high performance of the proposed method in finding the fault location in shunt-compensated transmission lines. The proposed scheme has high accuracy for both symmetrical and asymmetrical fault types and high fault resistance.
Keywords: Fault Location , Shunt-Compensated Transmission Line , Phasor Measurement Unit (PMU) , Fault Section Estimation , Partially Data Available , Particle Swarm Optimization
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Authentic fault location scheme for shunt-compensated transmission lines;
The terminal data of shunt compensator does not utilize;
Does not require the shunt compensator model;
Accurate identifying of the fault location under different fault conditions.

Type of Study: Research Paper | Subject: Fault Location
Received: 2020/07/05 | Revised: 2021/03/04 | Accepted: 2021/04/07
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.