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Inventor:

林国庆 (林国庆.) [1] (Scholars:林国庆) | 占盆朋 (占盆朋.) [2]

Indexed by:

incoPat

Abstract:

本发明涉及一种单级非隔离长寿命LED驱动电源。包括交流输入电源、输入整流电路、反激变换器、辅助功率平衡电路和LED负载等。反激变换器用于实现功率因数校正并为LED负载提供恒定电流;辅助功率平衡电路由两个辅助开关管、一个辅助二极管和一个辅助储能电容组成,用于平衡瞬时输入输出功率之间的差值并吸收电压尖峰。本发明通过抑制LED负载电流的低频纹波,减小了输出滤波电容的容值,从而可以用小容量的薄膜电容替代大容量的电解电容;本发明具有开关管电压应力低、驱动方便、长寿命和高可靠性等优点。

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Patent Info :

Type: 发明授权

Patent No.: CN202011513784.X

Filing Date: 2020-12-18

Publication Date: 2021-12-21

Pub. No.: CN112469164B

公开国别: CN

Applicants: 福州大学

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: 5

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