<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Impedance reach of numerical distance relay is severely affected by Fault Resistance (RF), Fault Inception Angle (FIA), Fault Type (FT), Fault Location (FL), Power Flow Angle (PFA) and series compensation in transmission line. This paper presents a novel standalone adaptive distance protection algorithm for detection, classification and location of fault in presence of variable fault resistance. It is based on adaptive slope tracking method to detect and classify the fault in combination with modified Fourier filter algorithm for locating the fault. To realize the effectiveness of the proposed technique, simulations are performed in PSCAD using multiple run facility &amp; validation is carried out in MATLAB® considering wide variation in power system disturbances. Due to adaptive setting of quadrilateral characteristics in accordance with variation in fault impedance, the proposed technique is 100 % accurate for detection &amp; classification of faults with error in fault location estimation to be within 1 %. Moreover, the proposed technique provides significant improvement in response time and estimation of fault location as compared to existing distance relaying algorithms, which are the key attributes of multi-functional numerical relay</p></abstract>

Impedance reach of numerical distance relay is severely affected by Fault Resistance (RF), Fault Inception Angle (FIA), Fault Type (FT), Fault Location (FL), Power Flow Angle (PFA) and series compensation in transmission line. This paper presents a novel standalone adaptive distance protection algorithm for detection, classification and location of fault in presence of variable fault resistance. It is based on adaptive slope tracking method to detect and classify the fault in combination with modified Fourier filter algorithm for locating the fault. To realize the effectiveness of the proposed technique, simulations are performed in PSCAD using multiple run facility & validation is carried out in MATLAB® considering wide variation in power system disturbances. Due to adaptive setting of quadrilateral characteristics in accordance with variation in fault impedance, the proposed technique is 100 % accurate for detection & classification of faults with error in fault location estimation to be within 1 %. Moreover, the proposed technique provides significant improvement in response time and estimation of fault location as compared to existing distance relaying algorithms, which are the key attributes of multi-functional numerical relay

Adaptive quadrilateral distance relaying scheme for fault impedance compensation

Electrical, Control and Communication Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Adaptive quadrilateral distance relaying scheme for fault impedance compensation"}

Impedance reach of numerical distance relay is severely affected by Fault Resistance (RF), Fault Inception Angle (FIA), Fault Type (FT), Fault Location (FL),...

Adaptive quadrilateral distance relaying scheme for fault impedance compensation

Published Online: Jul 28, 2018

Page range: 58 - 70

DOI: https://doi.org/10.2478/ecce-2018-0007

Keywords
computer numerical control, discrete Fourier transforms, electrical fault detection, phasor measurement, power system faults, power system protection

© 2018 Ujjaval J. Patel, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Adaptive quadrilateral distance relaying scheme for fault impedance compensation

Published Online: Jul 28, 2018

Page range: 58 - 70

DOI: https://doi.org/10.2478/ecce-2018-0007

Keywordscomputer numerical control, discrete Fourier transforms, electrical fault detection, phasor measurement, power system faults, power system protection

© 2018 Ujjaval J. Patel, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
computer numerical control, discrete Fourier transforms, electrical fault detection, phasor measurement, power system faults, power system protection