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Free Oscillation Analysis of Multi-coil MC-WPT System

机译:多线圈MC-WPT系统的自由振荡分析

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摘要

In this paper, a second-order time domain model of multi-coils magnetic coupling wireless power Transfer (MC-WPT) system is established. The undamped free oscillation and damped free oscillation of the MC-WPT system are studied. It is proved that the undamped free oscillation frequencies of the system are the natural frequency and the damped free oscillation frequencies are equal to resonance frequencies. Calculation method of the natural frequencies and resonance frequencies of any multi-coil system is presented. The damping state of the system is divided, and theoretical analysis shows that n-coil system has at most n natural frequencies and resonant frequencies. Finally, the correctness of the theory is verified through experiments.
机译:本文建立了多线圈磁耦合无线电力传输(MC-WPT)系统的二阶时间域模型。研究了MC-WPT系统的无透明的自由振荡和阻尼自由振荡。事实证明,该系统的无透明自由振荡频率是自然频率,并且阻尼自由振荡频率等于谐振频率。介绍了任何多线圈系统的自然频率和谐振频率的计算方法。系统的阻尼状态被划分,理论分析表明,N线圈系统具有至多N个天然频率和谐振频率。最后,通过实验验证了该理论的正确性。

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