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fasten 发表于 2017-5-19 08:35 
: a+ c) ^' Z# o1 AScope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# u! d0 E' y* T, c6 V
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" Q& g+ O ^6 D6 }0 Q& k
UL1973
+ H5 k; W; I7 J1.1 These requirements cover electric energy storage systems as defined by this standard for use as
/ i A0 u, e1 F3 N: Ienergy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc./ r/ ]. C5 ]2 S q$ I
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA8 ]8 S( o" C7 A3 z% s5 y
70 or other applicable installation codes.: |0 V& k S7 W# T" d/ x1 d
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
# Y2 |' }# q8 a. s g$ h, @( ffor use in light electric rail (LER) applications and stationary rail applications such as rail substations' b, i' f, s: X5 g
9 C8 ^0 {, b' A: \UL2054
+ d, O [2 f- u$ w# p1 g8 |5 n: }, ^1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)+ A n3 m! L/ ]' d: T. L1 y
batteries for use as power sources in products. These batteries consist of either a single electrochemical( O$ M; |( H# f3 ~- V( ]; `- ~/ h
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
7 G8 s+ b. v/ H; U/ e1 p& Oenergy by chemical reaction.
. h$ ^5 A0 {7 z# G/ T
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发表于 2017-5-18 17:45
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