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Journal of Electrical Power & Energy Systems

ISSN Print: 2576-0521 Downloads: 18380 Total View: 248325
Frequency: semi-annually ISSN Online: 2576-053X CODEN: JEPEEG
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Article http://dx.doi.org/10.26855/jepes.2024.06.005

Modeling of Power System Protection Scheme by Distance Relay for Distribution Lines

Farhana Ferdous1,*, Ruma2

1Department of EEE, Dhaka University of Engineering & Technology, Gazipur, Bangladesh.

2Faculty of EEE, Dhaka University of Engineering & Technology, Gazipur, Bangladesh.

*Corresponding author: Farhana Ferdous

Published: August 7,2024

Abstract

In the power system protection of transmission and distribution lines from any faults or abnormal conditions is a very vital issue to ensure a safe and reliable electrical power supply to consumers. As the power system is a complex network with different equipment, there is a chance to happen a lot of danger due to sudden faults in a power system. Therefore, the development of a complete technological arrangement is necessary to prevent damage to types of equipment. Because due to faults in power system networks cause heavy current flow through the related equipment working in the system. Distance relays play a key role in the protection of transmission lines. It is relevant to highlight that conventional distance relays have limitations in detecting and classifying faults with high impedance. From this point of view, this work aims to design and modeling of a reliable protection scheme introducing a new algorithm for digital distance relay in the distribution area. This simulation model analyzes the line-to-line fault, line-to-ground fault, double-line-to-ground fault and triple-line-to-ground fault at different zones. Simulation results showed that voltage, current, and impedance of three phase lines were affected by any types of faults where voltages and impedances are decreased and line currents are increased. The fault location is also calculated by the new algorithm and the relay response is made faster by reducing its trip time from 20 ms to 6.778 ms.

References

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How to cite this paper

Modeling of Power System Protection Scheme by Distance Relay for Distribution Lines

How to cite this paper: Farhana Ferdous, Ruma. (2024) Modeling of Power System Protection Scheme by Distance Relay for Distribution Lines. Journal of Electrical Power & Energy Systems, 8(1), 27-38.

DOI: http://dx.doi.org/10.26855/jepes.2024.06.005

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