Desarrollo de una Aplicación Informática para la Calibración y Coordinación del Relevador de Sobre Corriente 50/51

Xavier  Proaño; Cristian Castillo; Geovanny Rosales; Wilian Guamán; Gabriel Pesantez

doi:10.37116/revistaenergia.v18.n1.2021.463

Development of a Computer Application for the Calibration and Coordination of the 50/51 Overcurrent Relay

Desarrollo de una Aplicación Informática para la Calibración y Coordinación del Relevador de Sobre Corriente 50/51

Published 2021-07-29

https://doi.org/10.37116/revistaenergia.v18.n1.2021.463

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Vol. 18 No. 1 (2021): Revista Técnica "energía", Edición No. 18, ISSUE I

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SISTEMAS ELÉCTRICOS DE POTENCIA

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Development of a Computer Application for the Calibration and Coordination of the 50/51 Overcurrent Relay. (2021). Revista Técnica "energía", 18(1), PP. 29-36. https://doi.org/10.37116/revistaenergia.v18.n1.2021.463

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https://doi.org/10.37116/revistaenergia.v18.n1.2021.463

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Development of a Computer Application for the Calibration and Coordination of the 50/51 Overcurrent Relay. (2021). Revista Técnica "energía", 18(1), PP. 29-36. https://doi.org/10.37116/revistaenergia.v18.n1.2021.463

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Xavier Proaño

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https://orcid.org/0000-0002-8271-8838

Cristian Castillo

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Geovanny Rosales

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Wilian Guamán

https://orcid.org/0000-0002-9905-8231

Gabriel Pesantez

https://orcid.org/0000-0003-4037-3859

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Xavier Proaño

He was born in Latacunga, Ecuador in 1985. He received his Electrical Engineer degree from the National Polytechnic School in 2010; The master's degree in Energy Management at the Technical University of Cotopaxi in 2013. His fields of study are related to High Voltage, Renewable Energies, Electrical Protections and Electrical Power Systems. He is a full-time teacher of the Electrical Engineering Career at the Faculty of Engineering and Applied Sciences of UTC, Ecuador.

Cristian Castillo

He was born in Santo Domingo, Ecuador in 1994. He received his degree in Electrical Engineering from the Technical University of Cotopaxi in 2020. His fields of research are related to the Analysis of Electric Power Systems, Renewable Energies and Distribution.

Geovanny Rosales

He was born in Alamor, Ecuador in 1995. He received his degree in Electrical Engineering from the Technical University of Cotopaxi in 2020. His research fields are related to the Analysis of Electrical Power Systems, Electrical Protections and Distribution

Wilian Guamán

He was born in Riobamba, Ecuador in 1989. He received his degree in Electromechanical Engineering from the University of the Armed Forces “ESPE” in 2013 and his Master's degree in Energy Engineering from the Polytechnic University of Madrid in 2017. He currently works as Professor in the Electricity career at the Technical University of Cotopaxi and his research fields are related to the analysis of electrical power systems.

Gabriel Pesantez

He was born in Cañar in 1988. He received his degree in Electrical Engineering from the University of Cuenca in 2013 and his Master's degree in Electrotechnical Engineering from the Polytechnic of Leiria in 2017. Currently, he is working as a teacher at the Technical University of Cotopaxi, and His field of research is related to Electrical Distribution Systems.

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Overcurrent Relay

Electrical Protections

Calibration

Coordination

In the present work, it was developed a computer application for the coordination and calibration of the 50/51 over-current relays for radial systems. Through this application the graphs of the relays curves were observed modifying the input variables such as Tap Current (51) and Instantaneous Current (50), TCs, Types of Curves and their Dial for each one of them, in order to calibrate and coordinate the protections between curves by means of the time of action between the Relays in the program Coordination of Protection of electrical overcurrent (CPSElectric) developed by means of the programming tool Matlab r2019a, one of the applications incorporated in this platform, the App Designer, is being used this is one of the new programming options in Matlab r2019a that allows us to reduce the time of interface development and the ease of application design, for which we can make the program more interactive at the time of its use since it is focused to be part of the electrical protection laboratory of the Technical University of Cotopaxi improving the students' learning when discussing the 50/51 over current protection, allowing to obtain the visualization of results such as the operation times of the instantaneous currents (50) and their operation margin time between curves in a graphic way to guarantee the results was based on different standardized norms such as IEEE Std C37. 112-2018 "Standard for inverse time characteristic equations for overcurrent relays" and IEC 60255-3 "Measurement and protection equipment relays.

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