Analytic Method Based on Mode Matching and BLT Equation for Field to Wire Coupling in an Enclosure
REN Dan①② DU Pingan① CHEN Ke① XIAO Pei① Michelson G David②
①(Department of Mechatronics Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China) ②(Department of Electrical and Computer Engineering, University of British Columbia, Vancouver V6T1Z4, Canada)
The field-to-wire coupling in metal enclosure is an important issue in the field of electromagnetic compatibility. In this paper, an efficient and accurate approach is presented to calculate the EMI (ElectroMagnetic Interference) of a complex cable bundle in an enclosure, which involves two methods: mode matching and BLT equation. The issue is divided into the two sub-questions: aperture coupling and field-to-wire coupling, the electromagnetic field in enclosure is calculated by the Mode function and MOM, the EMI of the cables in an enclosure is calculated by Agrawal,s field-to-wire coupling theory and BLT equation. In comparison with measurement data shows that the electromagnetic field in enclosure can be accurately calculated by the mode matching method. The proposed method can also significantly reduce the simulation time and improve the efficiency of simulation compared with CST, which can be used to calculate the field-to-wire coupling in an enclosure.
任丹,杜平安,陈珂,肖培,Michelson G David. 基于模式匹配及BLT方程的腔体内场线耦合计算方法研究[J]. 电子与信息学报, 2017, 39(8): 2014-2018.
REN Dan, DU Pingan, CHEN Ke, XIAO Pei, Michelson G David. Analytic Method Based on Mode Matching and BLT Equation for Field to Wire Coupling in an Enclosure. JEIT, 2017, 39(8): 2014-2018.
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