The Types Of Emergency Lighting Power Supplies And The Requirements For Conversion Time

From the types of emergency lighting power supplies and the requirements of the conversion time, it is not difficult to see that the continuous working time of emergency lighting is limited by certain conditions. It is usually stipulated that the continuous working time of evacuation lighting should not be less than 30min, and it can be divided into 6 grades such as 30, 60, 90, 120 and 180min according to different requirements. The continuous working time of backup lighting and safety lighting should depend on the specific requirements of the place of use. For emergency lighting systems connected to the grid or generator sets, its continuous working time is easy to meet the requirements; For battery-powered emergency lighting systems, its working time is limited by the size of the capacity, and it is not suitable to use the battery pack alone in places that require a long continuous working time, and it should be considered in conjunction with the generator set. In this case, the battery pack is powered only as a transition to emergency lighting, so its continuous working time can be appropriately reduced. When selecting an emergency lighting power source, the continuous working time should be determined according to the specific situation.