Selecting a voltage source for a linear electromagnetic press under the mining enterprise

The article presents a study of the influence of the magnitude and shape of the pulse of the voltage source of the linear electromagnetic press motor with a small stroke of the plunger (anchor), used in the performance of repair and restoration work of mining equipment, on its dynamic power characteristics and efficiency. The press based on a linear electromagnetic motor is reliable, mobile, environmentally friendly, energy efficient, does not require highly qualified personnel for maintenance. A line of DC and sinusoidal voltage sources available in the conditions of a mining enterprise is given, on the basis of which, without the use of complex converters, it is possible to design and further operate a synchronous linear electromagnetic press. By means of numerical simulation, the dynamic characteristics of the press were built when powered by different types of sources, and, according to the criterion of high power and energy characteristics, a source of sinusoidal voltage of industrial frequency of 1 kV was selected with its further one-half-wave rectification and cutoff along the leading edge.

Efimova Yu. B. Selecting a voltage source for a linear electromagnetic press under the mining enterprise. MIAB. Mining Inf. Anal. Bull. 2023;(10-1):64—75. [In Russ]. DOI: 10.2501 8/0236_1493_2023_101_0_64.

Efimova Yu. B., Cand. Sci. (Eng.), Associate Professor of the Department of Theoretical Foundations of Electrical Engineering, NSTU, https://orcid.org/0000-0002-9536-9710, Federal State Budgetary Educational Institution of Higher Education “Novosibirsk State Technical University”, , 20 Prospekt K. Marksa, Novosibirsk, 630073, Russian Federation, e-mail: u_b_efimova@mail.ru.

Efimova Yu. B., e-mail: u_b_efimova@mail.ru. The author declares no conflict of interest.

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