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Volume 17
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10.3390/en17133088
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Article

Simulation and Suppression Measure Analysis of Electromagnetic Radiation Interference Due to Frequency Converters in Coal Mines

by
Zhonghua Xin
1,2,
Huijuan Wang
3,
Longpeng Sui
1,
Yujia Lu
4,
Xiaodong Zhang
1,5 and
Rui Chen
1,*
1
School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
2
EMC Lab, CCTEG China Coal Research Institute, Beijing 100013, China
3
Shuozhou Power Supply Company, State Grid Shanxi Electric Power Company, Shuozhou 036000, China
4
Transportation Technology Research Institute, CHN Energy Group, Beijing 100089, China
5
School of Electrical and Electronic Engineering, Cangzhou Jiaotong College, Huanghua 061199, China
*
Author to whom correspondence should be addressed.
Energies 2024, 17(13), 3088; https://doi.org/10.3390/en17133088
Submission received: 7 May 2024 / Revised: 24 May 2024 / Accepted: 29 May 2024 / Published: 22 June 2024
(This article belongs to the Section F: Electrical Engineering)
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Abstract

Nowadays, due to their characteristics of high efficiency and energy saving, frequency converters are used in coal mine excavation machines and ventilation machines. They can cause serious electromagnetic radiation interference with the surrounding monitoring, sensing and other equipment. Therefore, it is necessary to explore the electromagnetic interference characteristics of mining converters. By choosing a ZJT-75/660SF mine frequency converter as the research object, an antenna model was established, and the method of moments was used to solve the problem. The electromagnetic radiation characteristics of the frequency converter were analyzed, and a field experiment was conducted to verify the effectiveness of the model by comparing the simulation and experimental data. According to the analysis of the electromagnetic intensity distribution characteristics of the near field and far field, the near-field intensity is concentrated in the inner part of the converter, but the far-field intensity has obvious directional characteristics, which are found to provide a reference value for the location of the underground mining converter. Finally, a method is proposed to improve electromagnetic radiation disturbance by changing the structure of the converter’s heat dissipation hole, and the feasibility of this method is verified.
Keywords: frequency converter; electromagnetic radiation interference; method of moments; antenna model frequency converter; electromagnetic radiation interference; method of moments; antenna model

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MDPI and ACS Style

Xin, Z.; Wang, H.; Sui, L.; Lu, Y.; Zhang, X.; Chen, R. Simulation and Suppression Measure Analysis of Electromagnetic Radiation Interference Due to Frequency Converters in Coal Mines. Energies 2024, 17, 3088. https://doi.org/10.3390/en17133088

AMA Style

Xin Z, Wang H, Sui L, Lu Y, Zhang X, Chen R. Simulation and Suppression Measure Analysis of Electromagnetic Radiation Interference Due to Frequency Converters in Coal Mines. Energies. 2024; 17(13):3088. https://doi.org/10.3390/en17133088

Chicago/Turabian Style

Xin, Zhonghua, Huijuan Wang, Longpeng Sui, Yujia Lu, Xiaodong Zhang, and Rui Chen. 2024. "Simulation and Suppression Measure Analysis of Electromagnetic Radiation Interference Due to Frequency Converters in Coal Mines" Energies 17, no. 13: 3088. https://doi.org/10.3390/en17133088

APA Style

Xin, Z., Wang, H., Sui, L., Lu, Y., Zhang, X., & Chen, R. (2024). Simulation and Suppression Measure Analysis of Electromagnetic Radiation Interference Due to Frequency Converters in Coal Mines. Energies, 17(13), 3088. https://doi.org/10.3390/en17133088

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