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2025-06-03
A Fast Electromagnetic Coupling Model Analysis Method for Modular Multi-High Frequency Switching Circuits
By
Progress In Electromagnetics Research C, Vol. 156, 131-140, 2025
Abstract
In this paper, a fast electromagnetic coupling model analysis method is proposed to solve the challenging problems such as complex switching state, difficult electromagnetic modeling and long parameter optimization process of multi-switch modular circuits with wide application prospects. In this method, a multi-loop circuit connected by multiple series-parallel high-speed switching devices is used as the research object, and each single loop can be regarded as a modular switching circuit for spatial electromagnetic coupling analysis. Considering the six complex states of the switching device, the speed and time change law dI/dt of the multi-loop electromagnetic coupling and the multi-switch switching state are simulated by using the circuit current change rate, and the circuit voltage fluctuation value dV is simplified to calculate the fast electromagnetic coupling model of the modular high-frequency switching circuit. By comparing with the electromagnetic coupling relationship calculated by the traditional Maxwell equations, the validity and rapidity of the fast electromagnetic coupling model are verified for the spatial electromagnetic field calculation of multi-switch modular circuit topology. By using the model analysis method, the optimal switching path with minimum power loss and maximum output efficiency can be predicted.
Citation
Rui Zhang, Yanfeng Gao, Jixuan Wang, and Han Meng, "A Fast Electromagnetic Coupling Model Analysis Method for Modular Multi-High Frequency Switching Circuits," Progress In Electromagnetics Research C, Vol. 156, 131-140, 2025.
doi:10.2528/PIERC25012602
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