# Modeling the mine motor by means of the lattice equivalent circuit with the sinusoidal current sources

Authors: Blanc A. V.

In the mining industry, the induction motors are widely used. Moreover, they work in very difficult conditions. Therefore, their reliability and safety are of particular importance. Improving the electric machines is related not only with increasing their power, but also with the most efficient use of this power. Improving the existing electric machines and creating new machines require comprehensive researching the electromagnetic field in their functional volumes. Now, the numerical methods are extremely widely used for modeling electromagnetic fields. However, the analytical methods remain in demand too. In analytical researching the electromagnetic field of the electric machines, the cascade equivalent circuits take up the special place. The lattice equivalent circuit is the new grade of the cascade equivalent circuit. In the paper, the lattice equivalent circuit of the mine squirrel-cage induction motor is considered which is synthesized on the base of the Cartesian rectangular model. The model is characterized by property averaging in the zones of tooth and slots. In the lattice equivalent circuit, the sinusoidal current sources are field sources. The lattice equivalent circuit of the mine induction motor is created using Multisim 10. Comparing the lattice equivalent circuit with the numerical simulation indicates the correctness of modeling.

Keywords: Mine electric equipment, Mine electric motors, Mine induction motors, Cascade equivalent circuits, Lattice equivalent circuits, Electromagnetic field, Ampere’s circuital law, Faraday’s law of electromagnetic induction, Circuit theory, Quadripole theory.
For citation:

Blanc A. V. Modeling the mine motor by means of the lattice equivalent circuit with the sinusoidal current sources. MIAB. Mining Inf. Anal. Bull. 2022;(12-2):58—69. [In Russ]. DOI: 10.25018/0236_1493_2022_122_0_58.

Acknowledgements:
Issue number: 12
Year: 2022
Page number: 58-69
ISBN: 0236-1493
UDK: 621.313.333.2:622
DOI: 10.25018/0236_1493_2022_122_0_58
Article receipt date: 24.01.2022
Date of review receipt: 27.09.2022
Date of the editorial board′s decision on the article′s publishing: 10.11.2022

Blanc A. V., Cand. Sci. (Eng.), the associate professor in the Department of the Theoretical Electrical Engineering, https://orcid.org/0000-0003-0582-1257, Novosibirsk State Technical University, 20 Prospekt K. Marksa, 630073, Novosibirsk, Russia, e-mail: alblances@ yandex.ru.

For contacts:
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