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fasten 发表于 2017-5-19 08:35  . r: m* a( n) ?8 s4 Q! ^
Scope不能看出来区别？
3 h# D. O5 C8 y& i2 D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。* v- o s% n, P1 R
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
9 C H2 a" |+ _3 {% o( eUL1973
3 ~$ v5 o( {" H# t( P3 A1.1 These requirements cover electric energy storage systems as defined by this standard for use as% {- A# f& m* I) p
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.: g1 t6 @4 s! u* w' U/ u. |; L+ z
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
( J0 [6 U/ `$ k9 c0 n8 Z# m70 or other applicable installation codes.' `( F% }; v0 b2 x1 I% M
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard+ r* Z! D2 }5 C0 ~' f
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
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UL2054" I6 u1 m$ T: \- N
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)7 x1 I; ^8 F0 b$ M" m# l
batteries for use as power sources in products. These batteries consist of either a single electrochemical8 Q a, ^/ Q- \2 Q
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
; v) I4 }+ l1 s) [' Venergy by chemical reaction.
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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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