天气预报15天查询> 家居> 灯带一米多少瓦

灯带一米多少瓦

更新时间: 2020-11-27 15:39:39     

灯带一米功率为10瓦到20瓦之间,具体情况要要看灯珠的数量。以普通灯珠为例,每粒灯珠的功率大约在0.2瓦到0.3瓦,假设每米的灯珠数量为50粒,那一米的功率就是0.2*50=10瓦。不同led灯带是不一样的,需要根据其电流与电压进行计算,从而算出功率的。功率是能量的传输率的度量,在直流电路中它是电压V和电流A的乘积;在交流系统里则要复杂的多了。不管是高压还是低压led灯带,它们都是将交流转化为直流来进行工作的。

关键词: 多少

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3550730/ | 耗时:0.6593 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3550730 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3550730 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3550730 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(978549,3543044,86595,1175630,1230126,3543751,3529329,3528605,3529944,1368004,3528400,788254,1080641,104833,3550730,87653,3527244,1218027,103361,1235754,487775,909982,1639395,106943,714353,3527025,1215044,538851,1232190,1065092) ORDER BY field (ArticleID,978549,3543044,86595,1175630,1230126,3543751,3529329,3528605,3529944,1368004,3528400,788254,1080641,104833,3550730,87653,3527244,1218027,103361,1235754,487775,909982,1639395,106943,714353,3527025,1215044,538851,1232190,1065092)