15瓦的节能灯等于多少瓦的白炽灯?

怎么计算?
2025-03-17 06:10:09
推荐回答(4个)
回答1:

普通灯泡的国家标准为10lm/w,也就是说25w,它有250lm,节能灯的流明一般都能达到55lm/w,个别厂家的灯管,15w以上,流明能达到60lm/w。简单说节能灯比普通灯泡亮5倍。
15瓦的节能灯亮度是15*60=900lm。这样的亮度,900/10=90。这相当于90瓦的白炽灯、

回答2:

要看每个品牌灯的节约程度:一下是我了解一个品牌“托维”灯的参数:
3瓦LED等于7瓦节能灯亮度,等于25瓦白炽灯亮度
5瓦LED等于15瓦节能灯亮度,等于40瓦白炽灯亮度
7瓦LED等于21瓦节能灯亮度,等于55瓦白炽灯亮度
9瓦LED等于27瓦节能灯亮度,等于70瓦白炽灯亮度
希望你可以参考一下

回答3:

乘以5是替换白炽灯的亮度,因为节能灯比白炽灯节能4/5,也就是说一只节能灯的瓦数相当于同亮度的白炽灯的1/5.

回答4:

以照度这一参数计,15W的节能灯大约相当于60W的白炽灯。节能灯与白炽灯之间的照度关系不是计算出来的,是查二者的照度数据(灯照度的额定参数)比较出来的。

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