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Ingeniería Energética
versión On-line ISSN 1815-5901
Resumen
GALVAN SANCHEZ, Verónica Adriana; GUTIERREZ ROBLES, José Alberto; ORTIZ MURO, Víctor Hugo y SANCHEZ HERRERA, Ricardo. Transformer model for high frequency events. Energética [online]. 2012, vol.33, n.2, pp. 122-132. ISSN 1815-5901.
The transformer's function is to change the voltage level through a magnetic coupling. Due to its physical construction, its representation as a circuit and its mathematical model are very complex. The electromagnetic behavior and all the elements in the power network depend on the involved frequency. So, for high frequency events, its model needs to be very detailed to reproduce the electromagnetic transient behavior. This work analyzes how to pass from a simple model to a very detailed model to simulated high frequency events. The simulated events are the switch operation due to a fault in the system and the impact of an atmospheric discharge (direct stroke) in the transmission line, five km far away from the substation.
Palabras clave : switch open operation; atmospheric discharge; High frequency models; transient electromagnetic simulation; transformer.