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Inventor:

王武 (王武.) [1] (Scholars:王武) | 闫凯歌 (闫凯歌.) [2] | 林琼斌 (林琼斌.) [3] (Scholars:林琼斌) | 蔡逢煌 (蔡逢煌.) [4] (Scholars:蔡逢煌) | 柴勤勤 (柴勤勤.) [5]

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incoPat

Abstract:

本发明涉及一种PFC电流断续模式的峰值电流控制方法,将交流市电整流后接至一Boost电路,将Boost电路的开关周期T、电感L以及输出参考电压Uref、输入电压Uin、输出电压Uo以及电感电流IL输入控制器中;控制器计算得到当前开关周期对应的电流峰值Ipeak,将Ipeak与IL相比较,并控制开关管的开关,使每个开关周期电感电流的峰值和此峰值曲线拟合。本发明适用于电感电流断续(DCM)时的情形,克服了DCM模式下较难使用峰值控制的问题,提高了功率因数,并且设计简单,易于实现。

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Patent Info :

Type: 发明授权

Patent No.: CN201510332268.X

Filing Date: 2015/6/16

Publication Date: 2017/6/6

Pub. No.: CN104935159B

公开国别: CN

Applicants: 福州大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count:

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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