标题: LED 18W驱动功率偏差 [打印本页] 作者: caoshasha08 时间: 2015-5-15 17:51 标题: LED 18W驱动功率偏差 如题，标签上注明的是18W，实测19.2W。出往北美，是否合格？北美市场针对功率偏差的标准是什么？ v9 u2 M) ^5 F" B
谢谢！ ; I6 Z& d ^- h* G V$ N. ~7 @" x9 J2 b作者: Nezof 时间: 2015-5-15 17:59
1993上有这个： " [6 I0 w2 K5 z2 yWith the ballast energized at the input voltage and frequency in accordance with Clauses 8.1.5,% Z: s! F8 p G- ~1 [
8.1.6, and 8.1.8, the input current shall not be more than 110 percent of the marked rating, and, if 4 j2 F5 v0 ~: B+ Radditionally marked for wattage, the input wattage shall not be more than 110 percent of the marked rating 0 R* K$ F C! o0 A1 Qplus 0.5 W with the device in the base up position controlling: : T, V& @. U( ^ C) ma) A lamp or lamps which the device lampholder can accommodate, and $ \3 ?* c v1 D, Fb) No lamp in the case of a lamp adapter. 2 _ g0 J3 d. n; ?3 N+ X2 L$ {1 R3 f8 e8 `8 m- ?
驱动可以看看驱动对应标准7 N9 C7 T& \ I- l6 J, k