E3S Web Conf.
Volume 124, 2019International Scientific and Technical Conference Smart Energy Systems 2019 (SES-2019)
|Number of page(s)||3|
|Published online||10 February 2020|
Transients in the load node at power loss: group run-out of induction motors
Software products development, Separate division of LLC “Unitel Engineering” in Cheboksary, 2-nd Kabelnaya str., 2, building 1, 111024 Moscow, Russia
2 Faculty of Radio Electronics and Automatics, Chuvash State University, Moskovskiy pr.,15, Cheboksary, 428015, Russia
3 Department of Mathematics and Physics, Chuvash State Pedagogical University, K. Marx st., 38, Cheboksary, 428000, Russia
* Corresponding author: firstname.lastname@example.org
The simulation of transient processes in the complex load node with powerful induction motors at the moment of power loss is carried out. For the modeling the method of synthetic schemes (Dommel’s algorithm) was used. Calculations are carried out within the dynamic model of motors in phase coordinates. The results of simulation and analysis modes of the load node with two induction motors connected to the electric buses of 10 kV and fed through a step-down transformer with 16 MVA capacity are presented. The applied model of power transformer consists of inductively coupled branches. The features of single and joint run-out of motors with different torque of mechanical loads are analyzed. Estimates of the parameters and time intervals at which the run-out of the motors is close to synchronous are obtained, the features of energy recuperation and the interaction of the motors in the load node are analyzed.
© The Authors, published by EDP Sciences, 2020
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