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Ingeniería, investigación y tecnología
versión On-line ISSN 2594-0732versión impresa ISSN 1405-7743
Resumen
CONDE-ENRIQUEZ, A.; VAZQUEZ-MARTINEZ, E. y CANTU-GUTIERREZ, V.P.. Theoretical Design and Simulation of an Overcurrent Relay with Dynamic Setting. Ing. invest. y tecnol. [online]. 2010, vol.11, n.2, pp.155-165. ISSN 2594-0732.
This paper presents a new logic of operation for time overcurrent relays. With the application of the proposed technique, the sensitivity of time overcurrent relays is increased. We recommend a new coordination system for time overcurrent relays too. The purpose of the coordination process is to find a time element function that allows it to operate using a constant back-up time delay, for any fault current. The results obtained from time overcurrent adaptive relays are collated, and the results from analysis of negative sequence relays and conventional time overcurrent relays are also presented.
Palabras llave : Overcurrent relay; adaptive relay; pick-up current; sensitivity; time curve; coordination.