DIN V 18599-4-2005 建筑物能效.加热、冷却、通风、家用热水和照明用净能量、最终和最初能量需求的计算.第4部分:照明用净能量和最终能量
Energy efficiency of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Part 4: Net and final energy demand for lighting