luojing 发表于 2007-8-29 14:04

61347-2-7

请问下列是什么意思？
ratio of the emergency luminous flux of the lamp supplied by the emergency ballast to the luminous flux of the same lamp operated with appropriate reference ballst at its rated voltage andfrequency The emergency ballast lumen factor is the minimum of the values measured at the appropriate time after failure of the normal supply andcontinuously to the end of the rated time duration


mention of whether the ballast is suitalble for use only on battery not having a trickleor intermittent re-charging circuits




caballo3157 发表于 2007-8-29 14:53

EBLF的定义

honseng 发表于 2007-8-29 15:02

小姐，你所提供的资料不加标点很难看明白哦！
关于应急灯可以参照国标GB 7000.2.

caballo3157 发表于 2007-8-29 15:03

意思是：（EBLF是）
应急灯在日常电源失效后在额定有效工作期间提供的最小光输出与该灯使用适宜的基准镇流器在其额定电压和频率下工作时的光输出之比。
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