谐振式单开关多路输出Boost LED驱动电源

许建平; 杨琦; 刘雪山

doi:10.3969/j.issn.0258-2724.2016.03.007

谐振式单开关多路输出Boost LED驱动电源

doi: 10.3969/j.issn.0258-2724.2016.03.007

详细信息

作者简介:
许建平(1963-),博士,1989年1月毕业于电子科技大学,1989年起至今任职于西南交通大学,现为电气工程学院教授,博士生导师.主要研究方向为电力电子与电力传动及其控制技术、分布式发电与并网技术、储能与能量管理系统.承担国家自然科学基金项目、国家科技支撑计划项目、国家863计划重点项目、霍英东教育基金会高等院校青年教师基金项目、高等学校博士学科点专项科研基金项目和企业委托课题数十项.获国家发明专利近20项、高等学校科学研究优秀成果奖自然科学奖二等奖1项.为首批国家级"百千万人才工程"人选、国务院政府特殊津贴获得者、四川省学术技术带头人. E-mail:jpxu-swjtu@163.com;杨琦(1991-),硕士研究生,本科毕业于西南交通大学,现为西南交通大学电气工程学院2014级研究生,研究方向为开关电源拓扑及控制技术研究. E-mail:yangqi2014200481@163.com

许建平(1963-),博士,1989年1月毕业于电子科技大学,1989年起至今任职于西南交通大学,现为电气工程学院教授,博士生导师.主要研究方向为电力电子与电力传动及其控制技术、分布式发电与并网技术、储能与能量管理系统.承担国家自然科学基金项目、国家科技支撑计划项目、国家863计划重点项目、霍英东教育基金会高等院校青年教师基金项目、高等学校博士学科点专项科研基金项目和企业委托课题数十项.获国家发明专利近20项、高等学校科学研究优秀成果奖自然科学奖二等奖1项.为首批国家级"百千万人才工程"人选、国务院政府特殊津贴获得者、四川省学术技术带头人. E-mail:jpxu-swjtu@163.com;杨琦(1991-),硕士研究生,本科毕业于西南交通大学,现为西南交通大学电气工程学院2014级研究生,研究方向为开关电源拓扑及控制技术研究. E-mail:yangqi2014200481@163.com

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- 被引次数: 0
出版历程
- 收稿日期: 2015-11-22
- 刊出日期: 2016-04-25

Resonant single-switch multi-string boost LED driver converter

摘要

摘要: 提出了一种谐振式单开关多路输出Boost LED驱动电源及其控制电路,分析了其工作原理及特性.该多路输出Boost LED驱动电源只需要使用1个开关管,1个谐振电感和2n-1个谐振电容就能实现2n路输出的恒流控制,具有变换器电路结构与控制简单、体积小、效率高以及成本低的特点.利用谐振电容的充放电平衡原理,仅需控制其中任意一条输出支路电流,即可实现2n路输出支路的恒流及均流控制;此外,该多路恒流输出LED驱动电源具有固有的短路保护特性,任何一条输出支路短路不会影响其它输出支路的稳态电流.最后,搭建了一台48 W的四路恒流输出实验样机,验证了理论分析的正确性.
- 谐振 /
- 单开关 /
- Boost /
- 多路 /
- LED驱动电源
Abstract: A novel resonant single-switch multi-string boost LED driver converter was proposed, the operation principle and characteristics of which were analyzed. It can achieve current balancing among 2n LED strings by using only one active switch, one resonant inductor and 2n-1 resonant capacitors. Thus it boasts the benefits of simple circuit structure and control, small volume, high efficiency and low cost. By controlling only one output current, the other output currents of this LED driver can be controlled utilizing the charge balance principle of resonant capacitors. If one output branch of the LED driver is short-circuit in the steady state, it will not affect current sharing among the other output currents. Therefore, it has a characteristic of natural short-circuit protection. Finally, the theoretical analysis is verified by a 48 W four-string prototype.
- resonant converter /
- single-switch /
- boost converter /
- multi-string /
- LED driver

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参考文献(18)

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文章访问数: 469
HTML全文浏览量: 75
PDF下载量: 309
被引次数: 0

谐振式单开关多路输出Boost LED驱动电源

doi: 10.3969/j.issn.0258-2724.2016.03.007

计量

出版历程

Resonant single-switch multi-string boost LED driver converter

计量

出版历程

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