【摘要】 根据路灯在不同电压下的光电参数及寿命特性,推导出城市道路照明灯具的最佳供电电压:上半夜为额定电压220 V,下半夜为节能电压200 V,介绍了几种节能电压实现方案。更多还原

【Abstract】 According to the street lamp of the light electricity parameter and the life characteristic,in different voltage a best supply voltage of urban road lighting systems lighting luminaire is deduced: a rated voltage is 220 V in the first half of the night,and the best voltage is 200 V in the later half of the night.更多还原