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感应耦合电能传输系统输出功率调节方法

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Keywords: 感应耦合电能传输,功率调节,基波,谐波,移相控制,开关频率

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Abstract:

高效调节输出功率是感应耦合电能传输系统的关键问题之一。文章分析了调幅、调频、移相以及能量注入控制四种基本功率调节方法的工作原理及其特征。根据移相控制改变逆变器移相角调节输出功率的特点,提出了一种新型基于谐波的移相控制功率调节方法,推导了从基波切换为各次谐波的移相角以及各次谐波工作下合理的移相角范围。该方法采用谐波替代基波传递功率,在输出同样功率情况下可降低器件开关频率。本文以3次谐波为例,通过实验验证了新型功率调节方法的有效性。

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[14]  作者简介:蔡华 男,1987年生,博士研究生,研究方向为无线电能传输和功率电子变换技术。史黎明 男,1964年生,研究员,博士生导师,研究方向为直线电机和驱动控制、新型轨道交通牵引供电、电能无线传输技术。

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