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发表于 2017-5-19 10:21
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fasten 发表于 2017-5-19 08:35 
4 Z4 y7 F8 r2 I1 |Scope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。
. e$ r" K- D! s& S; S* h4 |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
! X+ t: x) x* uUL1973
0 p, [# ^( ]5 P! }4 ?1.1 These requirements cover electric energy storage systems as defined by this standard for use as
8 K# `. n1 w( P% ?* u6 q, a4 Penergy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
2 E% x+ c/ b9 Y5 T1 a+ Dapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA, W3 i) M$ M! q3 \8 v
70 or other applicable installation codes.
( y9 \4 N* R% }& _1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard9 z- _7 q& [ @* {2 h6 ^- d/ ~
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
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! F) S6 U$ i! f1 qUL2054
( G2 p! F# L/ }. P9 G, F4 n1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)$ q' R/ r! {5 C, G1 J0 H8 u
batteries for use as power sources in products. These batteries consist of either a single electrochemical5 p$ n. \0 o$ x1 u
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical6 S- P ~, Y' e2 x Q# i% F. c
energy by chemical reaction.
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