摘要
结合光伏电池输出电压变动范围大、输出功率不稳定的特点,设计了一种基于TMS320F2812的LED(Light Emitting Diode)照明驱动控制系统,该控制系统根据负载和电源的变化自适性切换驱动电路,调节LED负载电流,提高其适应性和调节范围。实验结果证明获得了更大的负载电流调节范围和调光范围,实现了光伏LED的恒流驱动。
Considering broad range of photovoltaic battery output voltage and instability of the output power, a kind of LED （ Light Emitting Diode） lighting - driving control control system according to changes in load and supply self- system based on TMS320F2812 was designed adaptively switch driving circuits, adjusting , the LED load current, to improve their adaptability and adjustment range. Experimental results show that a greater load current adjustment range and dimming range are obtained, and photovoltaie constant current LED driver is realyzed.
出处
《安徽理工大学学报（自然科学版）》
CAS
2012年第2期22-25,49,共5页
Journal of Anhui University of Science and Technology:Natural Science
基金
国家级大学生创新性实验计划资助项目(101035918)
关键词
光伏电池
LED照明
驱动控制
稳定电流
photovoltaic battery
LEDs lighting
driving control
constant current
