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fasten 发表于 2017-5-19 08:35 
# }- M( v. A/ [0 j7 ~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。) R/ C# v% k, w5 _+ @
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UL19730 B/ w* b, g( j5 B/ U
UL1973
) z2 f( V. [. p0 r9 Z1.1 These requirements cover electric energy storage systems as defined by this standard for use as0 W- m7 q* h4 h t
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
- A& K3 O5 y4 y0 m- Papplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA& `$ C* v7 w/ t, ~0 `
70 or other applicable installation codes.$ C8 [9 A0 \9 e+ G' @
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
& _7 C" e& X$ M9 P! Vfor use in light electric rail (LER) applications and stationary rail applications such as rail substations
% p& w1 Q" T- @9 Z+ X8 |7 e# y7 H4 g# Y' A- x
UL2054
8 ?$ F! ]; t% M+ O1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)7 B w0 ]! x* g( Q4 ?) a& o
batteries for use as power sources in products. These batteries consist of either a single electrochemical) k! F/ S, Y- `: ^- }+ `' O
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
; t6 y7 Q: c/ Q" `! A9 [energy by chemical reaction.9 g, s- C8 d7 l' ?, ]( Q% z! f, N2 O
; _7 K$ q* b3 R; A3 i
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发表于 2017-5-18 17:45
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发表于 2017-5-19 08:35
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