一种基于电压斩波和电流软启动CCR LED电源设计OA北大核心CSCDCSTPCD
Design of CCR LED power based on voltage chopping and soft current starting
恒流调节器(CCR)常用于中小功率家用LED照明驱动电源中，但是这类常见的电路在交流电压波动时可能出现电源效率和LED电流不稳定的现象。论述了这类驱动电路的工作原理，分析了问题产生的原因，提出一种基于电压斩波和电流软启动CCR LED电源的方案，理论分析和实验数据都表明这种改进方案非常有效地解决了前述问题。
The constant current regulator (CCR) is general y utilized in domestic LED driver power with low or medium power. However, when AC voltage fluctuates, the LED current and power efficiency of this common circuit are unstable probably. The principle of the typical circuit was introduced, and the cause of the problems was analyzed. A CCR LED power driver based on voltage chopping and soft current starting was proposed. Both theoretical analysis and experimental…查看全部>>
任堰牛;黄梓瑜;李杰;杜航行
西南石油大学电气信息学院，四川成都610500西南石油大学电气信息学院，四川成都610500西南石油大学电气信息学院，四川成都610500西南石油大学电气信息学院，四川成都610500
信息技术与安全科学
LED驱动器CCR电源效率电压斩波电流软启动
LED driverCCRpower efficiencyvoltage choppingsoft current starting
《电源技术》 2015 (4)
822-824,3
四川省教育厅重点项目（12ZA194）
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