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An Adaptive Distance Relay Setting For EHV Power Transmission Lines Using Fourier Transform

P. V. Prasad*

* Professor, Department of EEE, Chaitanya Bharathi Institute of Technology, Hyderabad, A.P.

** Associate Professor, Department of Electrical and Electronics Engineering, UCE, JNTUK, Kakinada, A.P, India

Periodicity:October - December'2010
DOI : https://doi.org/10.26634/jee.4.2.1273

Abstract

This paper presents accurate calculation of apparent impedance of transmission lines by distance protection scheme.The apparent impedance equation, considering the transmission line capacitance by utilizing a double p model for a line is derived. The apparent impedance without and with considering the line capacitance is compared by considering the fault resistance. The quadrilateral characteristic of distance relay is compared in both the cases. Simulink model design and adaptive setting for a distance protection with consideration of transmission line capacitance is also investigated using Fourier transform. A 400 kV transmission line with 300km long is used in this study.

Keywords

Distance Protection, Fault Resistance, Line Capacitance, Apparent Impedance, Adaptive Setting, Fourier Transform

How to Cite this Article?

P. Venkata Prasad and S. Sivanagaraju (2010). An Adaptive Distance Relay Setting For EHV Power Transmission Lines using Fourier Transform. i-manager’s Journal on Electrical Engineering, 4(2), 20-27. https://doi.org/10.26634/jee.4.2.1273

References

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