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US6038151A Switching network and method of reducing input current total harmonic distortion for a boost converter 失效
降压升压转换器的输入电流总谐波失真的切换网络和方法

Switching network and method of reducing input current total harmonic
distortion for a boost converter
摘要:
For use with a boost converter having first, second and third input inductors, a switching network, method of reducing input current total harmonic distortion (THD) associated with the boost converter, and boost converter employing the switching network and method. In one embodiment, the switching network includes first and second switches coupled between corresponding rails of the boost converter. The switching network also includes first, second and third L-C resonant networks wye-coupled to a node located between the first and second switches and coupled to the first, second and third input inductors, respectively. The first and second switches and the first, second and third L-C resonant networks cooperate to create resonant voltages across, and induce phase currents through, the first, second and third input inductors to reduce input current THD associated with the boost converter.
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