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fasten 发表于 2017-5-19 08:35  F, Y% M6 i$ E9 @8 k# Y' b
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。
" v X J8 S9 |" W( e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! j. h" D! w& G/ K
UL1973
' ?4 t$ F3 x7 q. I i8 a1.1 These requirements cover electric energy storage systems as defined by this standard for use as; F; o5 Y) Q* m$ p1 p
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
9 ?' c; I7 i4 y- N7 q. _+ Uapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA
9 @0 Y% c @# U6 `8 x9 R0 x70 or other applicable installation codes.& q" t t1 f1 x; a
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard
; l' j; E& ^- m6 pfor use in light electric rail (LER) applications and stationary rail applications such as rail substations8 p2 x6 k6 R2 s9 F0 J$ S
. X& w; _: d0 E$ b( TUL2054; p/ ]8 h4 I% ~" ~
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)0 u/ }3 z. v ~( @4 K
batteries for use as power sources in products. These batteries consist of either a single electrochemical
: ?1 n* C7 b1 i/ z6 R \3 Icell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical
5 m u$ f9 h" H- i3 }5 @energy by chemical reaction.
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发表于 2017-5-19 08:35
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