|
|
楼主 |
发表于 2017-5-19 10:21
|
显示全部楼层
fasten 发表于 2017-5-19 08:35 
! t6 W1 @" X7 LScope不能看出来区别？
我们的产品是一个3000W 的BBU 跟PSU 连接在一起，当PSU 通电的时候,PSU 给BBU 充电。当PSU 断电的时候，BBU 给PSU 提供DC，最终输出给系统供电。$ t- f( ]- h" g. W
我们纠结到底是用UL1973 还是UL2054 。我觉得是用UL2054 但是客户说要做UL1973
t! F1 Z3 h( A5 c1 bUL1973
, \7 n5 A3 W# u; a6 w* B* \1.1 These requirements cover electric energy storage systems as defined by this standard for use as
1 h+ Z1 c N0 q+ `9 |. z3 B- |2 cenergy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
* _: o" J" \' Oapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
$ X Y9 ?* j+ N70 or other applicable installation codes.8 @! J8 v# ], L2 y# j- F! r, f
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard2 O7 M, b9 t! I- c% X9 }
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
# @# D; z1 W7 y; q; h; r
* ` k5 `: [! ~1 k; TUL2054! H& k0 e; M C6 a
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)
! G/ w) ?; ]( k% qbatteries for use as power sources in products. These batteries consist of either a single electrochemical
4 m4 S& s' m# Kcell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical+ H2 L0 u8 s$ Y$ ^6 G$ _$ \7 o
energy by chemical reaction.
2 [0 Y8 x0 U8 b( m7 b c( ~7 P4 \. D) p* ~, F- o7 Q- K/ y0 e9 @
|
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2017-5-18 17:45
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
发表于 2017-5-19 08:35
222222222222222
发表于 2021-8-7 12:41
