| 基于定时阳光跟踪的LED照明系统 |
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| 引用本文： | 陈双龙,何守,何志毅,廖欣.基于定时阳光跟踪的LED照明系统[J].照明工程学报,2011,22(4):41-45. |
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| 作者姓名： | 陈双龙 何守 何志毅 廖欣 |
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| 作者单位： | 桂林电子科技大学信息与通信学院,广西桂林,541004 |
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| 基金项目： | 国家自然科学基金(No.61077036)资助项目 |
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| 摘 要： | 依据太阳运动轨迹,设计了一种利用太阳能的LED自动照明系统。提出一种定时阳光跟踪方法,结合新颖的最大功率点跟踪（MPPT）技术,使光伏电池工作在最佳状态,并具有蓄电池过充、过放保护;通过对大功率HBLED的恒流驱动,提高了LED照明光的利用率,降低了功耗。实验结果表明：系统运行稳定,提高了太阳能的利用效率,有效的节约电能。
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| 关 键 词： | 光电池 光伏效应 太阳轨迹 最大功率点跟踪 LED照明 |
LED Lighting System Based on Timing Sunshine Tracking |
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| Chen Shuanglong,He Ning,He Zhiyi,Liao Xin.LED Lighting System Based on Timing Sunshine Tracking[J].China Illuminating Engineering Journal,2011,22(4):41-45. |
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| Authors: | Chen Shuanglong He Ning He Zhiyi Liao Xin |
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| Affiliation: | Chen Shuanglong He Ning He Zhiyi Liao Xin(Information and Communication College,Guilin University of Electronic Technology,Guilin 541004) |
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| Abstract: | In the paper,a kind of automatic LED lighting system which was made use of solar power was designed according to the orbit of the sun.A timing of the sun tracking method combined with the novel maximum power point tracking technology was proposed to make photovoltaic cells work in the best condition,and it had over-charging and over-discharging protection.Through the steady current driving of large power HBLED,the utilization ratio of luminous flux of LED was raised,and the power loss was cut down.The resul... |
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| Keywords: | photocell photovoltaic effect sun's orbit MPPT LED lighting |
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