E3S Web Conf.
Volume 58, 2018Rudenko International Conference “Methodological problems in reliability study of large energy systems” (RSES 2018)
|Number of page(s)||6|
|Section||Energy Security, Reliability and Quality of Energy Consumption, Modeling and Information Technology|
|Published online||10 October 2018|
Effect of asymmetry of supply voltages on asynchronous motor operation modes
Trans-Baikal State University, Department of Electric Power Generation and Electrical Engineering, Russia, Chita, 30, Aleksandro-Zavodskaya Str.
* Corresponding author: email@example.com
Effect of asymmetry of supply voltages on asynchronous motor operation modes was investigated using the computer-aided simulation experiments, the software complex Matlab and the package program Simulink. Publication relevance is determined by the necessity for performance of comparative analysis of the level of effect of asymmetry of supply voltages on asynchronous motors of different series and power capacities. Six motors of three different power capacities (5.5, 55, 160 kW) and of two different series (4A, AI) were modeled for investigation. The value of asymmetry of supply voltages was changed from 0 to 5%. The motor shaft load was changed from 0 to 120% of the motor rated load. Comparison of dependencies of the phase currents on the voltage unbalance ratio by reverse sequence (K2U) of asynchronous motors with short-circuited rotor series 4A and AI was made. The analysis and discussion of obtained investigation results were performed, recommendations on operation of asynchronous motors series 4A and AI in conditions of asymmetry of supply voltages were given.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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