有源纹波补偿Cuk 型照明LED 恒流驱动电源

doi:10.3969/j.issn.1000-565X.2016.04.006

华南理工大学学报（自然科学版） ›› 2016, Vol. 44 ›› Issue (4): 34-39.doi: 10.3969/j.issn.1000-565X.2016.04.006

有源纹波补偿Cuk 型照明LED 恒流驱动电源

唐治德王蕊杨熙

重庆大学电气工程学院//输配电装备及系统安全与新技术国家重点实验室，重庆 400044

收稿日期:2015-07-21 修回日期:2015-12-22 出版日期:2016-04-25 发布日期:2016-04-12
通信作者: 唐治德(1958-) ，男，教授，主要从事大功率LED 照明、X 光机高压电源的研究． E-mail:zhzhaodan@126.com
作者简介:唐治德(1958-) ，男，教授，主要从事大功率LED 照明、X 光机高压电源的研究．
基金资助:
国家自然科学基金资助项目( 50877082) ; 重庆大学输配电装备及系统安全与新技术国家重点实验室研究项目 ( 2007DA10512709303)

Power Supply Driven by Cuk Constant Current with Active Ｒipple Compensation for LED Headlamp

TANG Zhi-de WANG Ｒui YANG Xi

College of Electrical Engineering//State Key Laboratory of Power Transmission Equipment & System Security and New Technology,Chongqing University,Chongqing 400044,China

Received:2015-07-21 Revised:2015-12-22 Online:2016-04-25 Published:2016-04-12
Contact: 唐治德(1958-) ，男，教授，主要从事大功率LED 照明、X 光机高压电源的研究． E-mail:zhzhaodan@126.com
About author:唐治德(1958-) ，男，教授，主要从事大功率LED 照明、X 光机高压电源的研究．
Supported by:
Supported by the National Natural Science Foundation of China( 50877082)

摘要/Abstract

摘要： 一般大功率照明LED 驱动电源中，输出滤波电解电容的寿命与LED 的长寿命极不匹配．对此，文中提出了一种有源纹波补偿的Cuk 型LED 驱动电路．电路中用有源纹波补偿支路替代输出滤波电解电容，抵消电感纹波电流，使LED 灯组获得恒定直流，达到LED 的理想驱动状态．文中详细阐述了有源纹波补偿的原理和实现电路，分析了有源纹波补偿Cuk 型LED 驱动电路的损耗和效率，设计和制作了输出功率为22W 的滞环电流控制、有源纹波补偿Cuk 型LED 驱动电源，通过仿真和实验验证了该新型电源的可行性．

关键词: 驱动电源, 发光二极管, 纹波补偿, 电解电容, 滞环电流控制

Abstract: As the lifespan of the output filter's electrolytic capacitor in general lighting LED power supply does not match LED's long lifespan,a LED driving circuit based on Cuk with active ripple compensation is proposed.In this circuit,the active ripple compensation branch is used to replace the output filter's electrolytic capacitor to offset the inductor's ripple current,which provides the LED array with a constant DC and further with ideal driving state.This paper describes the principle and implementation of the active ripple compensation circuit,analyzes the loss and efficiency of LED driving circuit based on the Cuk with active ripple compensation,and designs and fabricates an LED power supply with an output power of 22W based on the Cuk with active ripple compensation and hysteresis current control.Simulated and experimental results indicate that the proposed power supply is feasible.

Key words: driving power, light-emitting diode, ripple compensation, electrolytic capacitor, hysteresis current control

唐治德王蕊杨熙. 有源纹波补偿Cuk 型照明LED 恒流驱动电源[J]. 华南理工大学学报（自然科学版）, 2016, 44(4): 34-39.

TANG Zhi-de WANG Ｒui YANG Xi. Power Supply Driven by Cuk Constant Current with Active Ｒipple Compensation for LED Headlamp[J]. Journal of South China University of Technology (Natural Science Edition), 2016, 44(4): 34-39.

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有源纹波补偿Cuk 型照明LED 恒流驱动电源

Power Supply Driven by Cuk Constant Current with Active Ｒipple Compensation for LED Headlamp

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