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fasten 发表于 2017-5-19 08:35 
) o# k% Z K% J- \Scope不能看出来区别？
! a% j& |" S" [3 x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) ~, ~) |9 C& r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
3 L& m4 j) M2 v. h, z0 vUL19731 \4 Q6 @: w9 O9 }+ \
1.1 These requirements cover electric energy storage systems as defined by this standard for use as
$ v2 l8 Y* T5 F2 V% E8 venergy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
@3 h5 j1 n) ]# a+ q; _applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA$ n( R9 D; C: m5 K# K' }, G
70 or other applicable installation codes.
1 e+ X4 e2 Z/ d# R/ c1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
0 t: [ Z J6 w# Z! S) j4 Yfor use in light electric rail (LER) applications and stationary rail applications such as rail substations) i6 W" c0 ^! x4 b% E5 l
- U5 T* P* _5 ]- i% k. x2 P
UL2054( l# K. A c$ R- j _
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)/ _2 t0 l1 e2 m/ [
batteries for use as power sources in products. These batteries consist of either a single electrochemical/ P* J5 a Q2 v5 I
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
& Z& r; Y# _3 G% l5 j4 H) c7 ]energy by chemical reaction.
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