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fasten 发表于 2017-5-19 08:35  ( k$ Y5 F l7 q+ c# @
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。
. i: u/ ? c5 W# P: B2 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
. z# A8 {! k* L: z4 q& G) pUL1973
0 g5 [0 }4 D& p/ o( s2 n1.1 These requirements cover electric energy storage systems as defined by this standard for use as- e( ~7 N+ X4 O: t, U
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
7 z3 T- b0 S7 R4 aapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA0 E! B* i) U( F) Y4 \
70 or other applicable installation codes.
* c% t: b: U% f; N3 A. h( m& a1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard! w8 V3 V0 |1 D7 b3 a. C5 @% B2 A
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
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& E# Q% @: b9 \2 u& cUL2054
4 O* ~4 _& x# A: t' z u7 v$ D. I1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)
0 A6 c! D+ N; m+ P5 Z `" ybatteries for use as power sources in products. These batteries consist of either a single electrochemical
" X! e6 {# J- N! x( ocell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical8 B+ q8 H5 ^% m p
energy by chemical reaction.
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发表于 2017-5-18 17:45
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