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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  + o7 Z% u1 R2 w5 k
Scope不能看出来区别？
( Y/ S1 K" G+ S$ 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。
" x' N' l0 Q! l7 G5 S8 O+ C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
( _: L R; s$ H+ m2 ~- A' J2 C- ^UL1973
- t3 ^( F+ p' D! ^; d9 p2 E1.1 These requirements cover electric energy storage systems as defined by this standard for use as
- r/ d; j. _! _) M" Denergy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.4 {1 L3 a% k. u3 I: D0 l: R* M
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
% D& t' a$ g- p; {) Z70 or other applicable installation codes.
; ^& K$ W. S$ K5 e" O$ t- q0 T1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard# x0 }: p! F; m5 A/ G0 D
for use in light electric rail (LER) applications and stationary rail applications such as rail substations# V+ U5 x8 d& d
4 B' e! N, K1 V g {UL2054
/ B6 \! J- h3 A2 _7 B" u1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)6 s9 }7 Q- V$ K! ]
batteries for use as power sources in products. These batteries consist of either a single electrochemical) i- ~+ \9 n% p8 f6 B) \. M% G9 Q: n
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
" u+ h c9 V0 s6 E# Q4 y1 w Ienergy by chemical reaction.# A/ {7 m% D1 K' ~6 e6 _- y% J
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