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fasten 发表于 2017-5-19 08:35  $ i+ \7 V' P- K% }6 } 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。
3 u( L, M8 \! g. O' J: i: v% P) {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" t) l; f Z9 N( @# T; w! A; i
UL1973
2 m/ Y& _" q, V. x. f# p1.1 These requirements cover electric energy storage systems as defined by this standard for use as. K8 u t4 J0 w1 B# T Z5 a) c
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.; }7 G# q! n; ]2 a- q& k
applications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
- K5 q4 C; l& J70 or other applicable installation codes.
9 p) e: H/ J# W8 y! Y6 o1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard! _+ x% e. z: }# e M& d5 L
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
1 Z' X- M2 I$ ` E2 Y+ r" t
- \1 Y' I3 v' kUL20545 K! Q" k3 T+ e
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)9 Z5 z7 T% d; U! I. o
batteries for use as power sources in products. These batteries consist of either a single electrochemical2 @; H0 }7 t0 [( B u
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical8 F) o+ @) |6 e. z |4 b6 O3 W
energy by chemical reaction.7 o3 |6 l" }) Z! ^( F7 @
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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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