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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  6 E8 T. v- O i- d
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 A. i C$ Z8 Q
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
6 s( j) G1 H4 m) }' TUL1973
8 x' p+ o/ Q* V! I) i1.1 These requirements cover electric energy storage systems as defined by this standard for use as4 {$ [- s, U5 L
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
# g- }7 B! P/ i. O* m6 Q' i" sapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
. x/ L2 z( N. U& Y b& {* d0 o70 or other applicable installation codes., w2 k7 ~/ |. F) O. o# }3 x) i
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard2 J6 r9 H6 ]& P( S9 a0 d V, n
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
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# {( D! e& `8 e- `: fUL2054! \6 [/ {1 d: [+ D
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)$ \" |2 Y3 C9 R7 L( }
batteries for use as power sources in products. These batteries consist of either a single electrochemical/ J- y! v: ~: Z& I5 g
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
, _( C. N4 J6 Kenergy by chemical reaction.. m8 I5 A3 g2 P }# b
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