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Author:

许家群 (许家群.) | 董昊 (董昊.)

Indexed by:

incoPat

Abstract:

一种两级式逆变电源的电感电流反馈路径二次谐波电流抑制方法,属于开关电源领域。两级式逆变电源中前级Buck变换器在直流母线电压反馈和电感电流反馈形成的双闭环基础上,添加带有陷波滤波器的逆变器输入电流前馈路径到电流调节模块中,陷波滤波器的特征频率为2fo,添加带有等效常数、虚拟电阻与带通滤波器的反馈路径到电压调节模块中,带通滤波器的中心频率为2fo,按照二次谐波电流抑制比要求得到反馈路径中所需虚拟电阻值。所述电感电流反馈路径方法无需添加硬件结构,无需提升系统体积与成本,能够使得系统在拥有快速动态响应的前提下,使得二次谐波电流抑制能力提升50%以上。

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Patent Info :

Type: 发明授权

Patent No.: CN202010204795.3

Filing Date: 2020-03-22

Publication Date: 2021-05-14

Pub. No.: CN111293869B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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