A HIGH EFFICIENCY AUTONOMOUS STREET LIGHTING SYSTEM BASED ON SOLAR ENERGY AND LEDS

被引:0
|
作者
Costa, Marco A. D. [1 ]
Costa, Guilherme H. [1 ]
dos Santos, Anderson S. [3 ]
Schuch, Luciano [2 ]
Pinheiro, Jose R. [2 ]
机构
[1] UCS, CCET, Rua Francisco Getulio Vargas 1130, BR-95070560 Caxias Do Sul, RS, Brazil
[2] Univ Fed Santa Maria, GEPOC, BR-97105900 Santa Maria, RS, Brazil
[3] Intral SA, Ind Mat Elect, Caxias Do Sul, RS, Brazil
关键词
Street lighting; LEDs; Fotopic Vision; Scotopic Vision; Solar Energy; Batteries;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This work presents an autonomous street lighting system based on solar energy as primary source, batteries as secondary source, and lighting emitting diodes (LEDs) as lighting source. This system is being presented as an alternative for remote localities, like roads and crossroads. Besides, it presents high efficiency, because all power stages are implemented in DC current. The design of LEDs fixture, in order to replace a 70W high pressure sodium (HPS) lamp, is performed. This design takes into account the human eye response in scotopic conditions. LEDs driver and battery charger experimental results are presented. The battery charger presents three control modes: maximum power point tracker (MPPT) mode; constant current mode; and constant voltage mode. The control mode depends on the battery state (charged/discharged), and solar irradiance level.
引用
收藏
页码:564 / +
页数:3
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