Control of electric locomotives with asynchronous electric motors under asymmetric operating conditions in Uzbekistan
Malika Nabievna TuychievaDepartment of Electric Transport and High-Speed Electric Rolling Stock, Tashkent State Transport University, Tashkent, Uzbekistan
ABI
Abstract
Abstract The control of energy conversion processes in an alternating current electric traction drive with asynchronous (induction) motors under asymmetric operating conditions are considered in the paper and the ways to improve their efficiency are proposed. It was stated that asymmetric modes create asymmetry of currents in the AM phases, which negatively affects both the electrical and mechanical parts of electric traction drives. The analysis of electromagnetic processes in the complex asymmetry of currents and voltage in the circuits of electric traction drives allows creating an adaptive algorithm for electric locomotives control which allows increasing electric power indices and the system reliability.
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