International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Since Year 2012 | Open Access | Double Blind Reviewed

ISSN: 2319-7064




Downloads: 144

Research Paper | Electrical Engineering | India | Volume 2 Issue 1, January 2013


Numerical Quadrilateral Distance Relay

Tushar Yesansure


Abstract: The paper presents a new technique for implementation of numerical quadrilateral distance relay. The characteristic of the numerical quadrilateral distance relay is realized by measuring the instantaneous values of the voltage and current based on sampling principle. For this purpose an Advantech data acquisition device is used. The system voltage and current is fed to this device from PT and CT respectively. This device samples the input signals and feed it to the computer. Software in Visual Basic is used to program this device as well as to calculate the resistance & reactance from the measured values of voltage and current. The calculated values are compared with a predetermined set of conditions. These conditions are set according to the quadrilateral distance relay characteristic. Finally, depending on the compared results, trip signal will be generated by software for tripping the circuit breaker.


Keywords: Line protection, Numerical protection, Quadrilateral distance characteristic


Edition: Volume 2 Issue 1, January 2013,


Pages: 250 - 253


How to Cite this Article?

Tushar Yesansure, "Numerical Quadrilateral Distance Relay", International Journal of Science and Research (IJSR), Volume 2 Issue 1, January 2013, pp. 250-253, https://www.ijsr.net/get_abstract.php?paper_id=IJSR13010225

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