Synthesis of a simulation model of fast-charging station with energy storage for quarry transport

The article presents a solution to the problem of choosing the parameters of a DC electric charger with a buffer energy storage device for battery-powered quarry transport equipment under conditions of limited network power and minimizing charging time. The rapid pace of electrification in the mining industry is contributing to an increase in the number and power of charging stations used. A pressing issue is the optimal infrastructure and topology of chargers. Based on an analysis of the most used models of electric mining dump trucks, the required power of an electric charging station, capable of providing a sufficient charging speed, was determined. Simulation modeling was carried out in the MATLAB Simulink software environment of a charging station with a DC bus that distributes the power requested by the vehicle between the input AC/DC converter and the buffer energy storage device. The functionality of the synthesized model allows for flexible adjustment of parameters, such as: the power of the AC/DC converter, the energy capacity of the buffer storage device and its operating charge level range, as well as generating a consumer load diagram. The simulation results were used to analyze the main operating modes of the charging station with a storage device for their subsequent implementation in a physical laboratory research facility. The dependence of the battery charge duration of a mining dump truck on the energy intensity of the installed buffer storage was obtained, on the basis of which a rational choice of parameters for the electric charging station was proposed. Further research will be aimed at expanding the functionality of the simulation model, matching it with the real load schedule, comparing different management principles and modernizing the research facility.

Dedov S. I., Shchurov N. I., Shtang A. A. Synthesis of a simulation model of fast-charging station with energy storage for quarry transport. MIAB. Mining Inf. Anal. Bull. 2024;(11−1):187—200. [In Russ]. DOI: 10.25018/0236_1493_2024_111_0_187.

Dedov S. I.¹, Cand. Sci. (Eng.), Associate Professor, Department of Electrical Engineering Complexes, Novosibirsk State Technical University, Novosibirsk, Russia, 630073, dedov@ corp.nstu.ru; ORCID ID: 0000-0003-4750-3927;
Shchurov N. I.¹, Dr. Sci. (Eng.), professor, Head of the Department of Electrical Engineering Complexes, e-mail: shhurov@corp.nstu.ru, ORCID ID: 0000−0002−5459−9544;
Shtang A. A.¹, Cand. Sci. (Eng.), Associate Professor, Associate Professor of the Department of Electrical Engineering Complexes, Novosibirsk State Technical University, Novosibirsk, Russia, 630073, shtang@corp.nstu.ru, ORCID ID: 0000−0001−9772−1784;
¹ Novosibirsk State Technical University, Novosibirsk, Russia, 630073.

Dedov S. I., e-mail: dedov@corp.nstu.ru.

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