Vol. 337 No. 4 (2026)
DOI https://doi.org/10.18799/24131830/2026/4/5140
Control of synchronous motors with salient poles of a mining locomotive while minimizing reactive power
Relevance. To enhance the range of locomotion of an electric locomotive using the energy of a single battery. It is proposed to use an energy-efficient control law that increases the mechanical power of the engine with limiting the maximum values of voltage and current. This will indirectly increase the range of movement of the mine electric locomotive. Aim. To synthesize nonlinear control of a salient-pole synchronous motor of a mining electric locomotive under limitation of the current and voltage supplied to the motor windings, providing: increase in mechanical power transmitted to the movement of a mining electric locomotive; growth of traction motor maximum speed; linearity at current loop of controller, that provide to use common speed and position regulators; reduction of the time of parrying disturbances on the motor shaft, which is achieved by maintaining a minimum value of the reactive power circulating in the motor windings, in the static and dynamic processes of the motor, the linear nature of the change in the electromagnetic moment. Object. Control of a salient-pole synchronous motor with permanent magnets of a mine electric locomotive. Methods. Are based on the theory of nonlinear control systems, by means of which the linearization of the control structure of a salient-pole synchronous motor with permanent magnets is carried out. Synthesis of regulators in the linearized control system is carried out by methods of subordinate regulation. Results. The authors have developed the control system with reactive power minimization for a mine electric locomotive traction motor and compared it to the transverse axis current control system. The results of modeling the operation of a salient-pole synchronous motor demonstrate the fulfillment of the proposed condition for reactive power minimization in static and dynamic modes. As a result of comparing the proposed system with reactive power minimization with a transverse axis current control system, it was possible to increase the mechanical power by 50% and the maximum speed by 53%, while maintaining the linear nature of the torque change, for the possibility of further application of classical synthesis methods, such as subordinate control systems. The efficiency increase was 2% in the hourly S2 mode of operation. Based on the high energy indicators obtained, it can be concluded that the range of the electric locomotive using the energy of one battery is increased.
For citation: Filyushov Yu.P., Voevoda A.A., Filyushov V.Yu. Control of synchronous motors with salient poles of a mining locomotive while minimizing reactive power. Bulletin of the Tomsk Polytechnic University. Geo Assets Engineering, 2026, vol. 337, no. 4, pp. 55-63.
Keywords:
traction electric drive of a mine electric locomotive, salient-pole synchronous machine with permanent magnets, control law, reactive power minimization, feedback linearization, nonlinear synthesis
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