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具有恒压特性的磁共振模式无线供电系统

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Keywords: 磁共振模式,互感耦合,边界条件,恒压特性

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Abstract:

在磁共振模式无线供电系统的实际应用中,通常要求系统输出电压保持恒定,为提高系统传输功率的稳定性,还需要系统工作频率保持恒定。本文以发射线圈为并联补偿、接收线圈以及共振线圈均为串联补偿的磁共振模式无线供电系统为研究对象,基于互感模型,给出了系统发射线圈恒流,输出电压恒压的参数边界条件,从而在不需要控制器的条件下,通过恒频驱动,在线圈之间距离不发生改变的前提下,能够保证负载变化时系统仍然能够处于恒压状态。仿真和实验表明所提出方法具有良好的恒压特性。

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