太阳能光伏照明系统中功率LED驱动电路的研究 |
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引用本文: | 薛勇,;马双宝.太阳能光伏照明系统中功率LED驱动电路的研究[J].武汉纺织工学院学报,2008(10). |
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作者姓名: | 薛勇 ;马双宝 |
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作者单位: | [1]武汉科技学院 |
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基金项目: | 湖北省科技攻关计划资助(2007AA101C69) |
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摘 要: | 随着LED技术的不断进步,LED照明将成为未来主流照明技术。功率LED的驱动电源为恒定电流源。在研究现有功率LED驱动电路拓扑结构的基础上,提出了一种改进的电流可调的开关变换器的功率LED驱动电路,仿真和实验证实提出的电路具有电流可调,运行稳定,效率高。
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关 键 词: | 功率LED 驱动电路 拓扑结构 PWM控制 |
Driver Circuit of Power LED in Photovoltage Lighting System |
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Affiliation: | XUE Yong MA Shuangbao (Wuhan University of Science and Engineering; Wuhan Hubei; 430073; China); |
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Abstract: | With progress of the technology,LED lighting will be leading lighting technology.Power LED driver is constant current power supply.Based research on power driver topologies,present a improved switch mode power driver circuit with adjusting current,experiment result shown that the presented circuit can adjust current,is stable in operating,and high efficiency. |
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Keywords: | power LED driver circuit driver topology PWM controller |
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