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fasten 发表于 2017-5-19 08:35  * ]: e! s4 n2 W* E) @" k# L( f
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。
8 \* K# T% R+ ^; T) 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) j6 n8 p3 C ]
UL1973
$ D. [% [5 g- P* c" _1.1 These requirements cover electric energy storage systems as defined by this standard for use as* j9 E3 u, r( u/ R C
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
; g- }5 N" V& J9 `# mapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
& a" J4 Q7 }* d* Y0 D0 n70 or other applicable installation codes.) p) S1 i) L! u4 c, ~9 G5 E7 ^
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard/ [+ L$ w8 a& Y \3 e& U3 V
for use in light electric rail (LER) applications and stationary rail applications such as rail substations6 ~' R& A# S7 K* @8 }
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UL2054
3 W4 [3 q6 d4 h, T! T1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)
2 T" L& s5 |7 H& m: M: d/ V- Nbatteries for use as power sources in products. These batteries consist of either a single electrochemical
0 t9 e8 O2 q/ h o7 vcell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
) t' d% D. N) nenergy 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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