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fasten 发表于 2017-5-19 08:35  5 `! ^4 ?9 C; C/ K0 c1 l) S# y( q
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。* d% G/ W4 i5 S4 [' S5 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
S4 K9 L% ~: V7 R$ d7 ZUL1973
) O9 _! X% F/ m: ?, j1.1 These requirements cover electric energy storage systems as defined by this standard for use as) ^. v- ?; T9 T! K
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.* T' q6 n! K. W3 M
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA) x- V! e3 c0 d3 M, [
70 or other applicable installation codes.
1 ^; f5 J7 d. S3 e$ `% U* g1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
/ I$ p: J4 J$ @" g! ?( [( @2 B. Tfor use in light electric rail (LER) applications and stationary rail applications such as rail substations. z7 S2 ^3 x" X( q9 p( k6 ]
9 b T* i% \+ [* h3 T
UL2054
. E; P( f& z+ ]/ b) @; d- f8 d4 f1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)
3 x4 b9 d2 p) i. y. A$ ^6 ~batteries for use as power sources in products. These batteries consist of either a single electrochemical: w) e* {! Z) ^6 ] [
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical7 E0 R' ?0 O, N/ b8 b2 t% L
energy by chemical reaction.- Z' D4 k* J3 R/ d6 c* ]
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