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

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.

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.

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.

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