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fasten 发表于 2017-5-19 08:35 
3 Y% n3 ^7 J |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。8 A0 p/ u A; L
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
' m/ t' s9 S, j5 t1 w1 eUL1973
. {4 a9 k" Q" C; X( p1.1 These requirements cover electric energy storage systems as defined by this standard for use as# B1 k. g. m) _5 _1 W" r1 b' O6 t
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.& H/ p7 @* f" W- T
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA+ T/ J# x+ {4 J- I. ~7 W
70 or other applicable installation codes.
, c9 `) Z- ]$ e1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
6 p5 q* M. p: I0 h# dfor use in light electric rail (LER) applications and stationary rail applications such as rail substations& s% y+ v7 N j# o" d
+ v5 }9 R% m6 b0 B( l
UL2054' y! l& f$ I" ^2 k
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)$ s+ \2 {, M+ P. `7 C' [7 D: x
batteries for use as power sources in products. These batteries consist of either a single electrochemical
7 Y) G1 R( v) ~( P. U6 l( jcell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical# O5 S/ j0 x& s, |& b
energy by chemical reaction.: z( s, N. j1 F( X3 W: E% [2 q
v2 D" C$ V2 A1 R8 r0 g2 {
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