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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 8 U# \" n# @& p! H) ]( d' `
Scope不能看出来区别?
+ e# d4 U! J2 ~; |/ p, c6 e$ K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 I+ ~( s0 W4 F4 ^
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UL19731 f, }' v5 ]; P4 o
UL1973! r3 Y% M" J7 {0 d$ i W) A* g
1.1 These requirements cover electric energy storage systems as defined by this standard for use as
; {6 Q( j3 V9 H8 u* |! H0 Xenergy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.5 k' c! p" x- q# w" j
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
5 k& H2 j2 W5 l' I1 l s70 or other applicable installation codes.
6 H! y. P; x8 g7 }9 C1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
5 x3 _. {8 r2 \- i& b; e0 d" Dfor use in light electric rail (LER) applications and stationary rail applications such as rail substations2 X1 t. n5 H1 a% O; F1 W7 P6 i# f
4 {! e: q# ]( T0 BUL2054& A0 B! p) v2 ~: B+ t
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)) P5 D; r" V4 G3 L' q
batteries for use as power sources in products. These batteries consist of either a single electrochemical: K, u' @- K' e- y7 s
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
8 ^2 `4 p. j4 uenergy by chemical reaction.( D3 g- g9 ^5 A# ?; B6 W* x
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