Abstract
The problem of reducing the active component of the stator current and the energy efficiency of an asynchronous electric drive while reducing the load is analyzed, the preferred criterion for optimizing the control system of a locomotive traction electric drive is determined, and a method for calculating the dependence of the stator-flux linkage on the stator current optimized by the criterion of the minimum stator current of an asynchronous motor is presented. Using to the above methodology, the optimal dependence of the flux linkage on the current for the AD917UHL1 traction engine used in Russian locomotives is calculated, an approximation of the calculated dependence is performed, efficiency graphs are given for conventional and energy-efficient electric drive control; with low loads and energy-efficient control, the efficiency of the engine increases by 12%.
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Translated by F. Baron
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Fedyaeva, G.A., In’kov, Y.M., Nadtochey, A.G. et al. Improving the Energy Efficiency of Asynchronous Traction Electric Drive Locomotives. Russ. Electr. Engin. 93, 610–615 (2022). https://doi.org/10.3103/S1068371222090061
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DOI: https://doi.org/10.3103/S1068371222090061