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fasten 发表于 2017-5-19 08:35
) k1 i' _# {6 C4 TScope不能看出来区别? & s: R6 p! E; A0 m, G- |
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。% s3 Y5 ]& I A
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
/ H7 @' D% n& j1 |2 T; P! AUL1973
# N ?. y! v( K0 x5 A% f5 h5 _1.1 These requirements cover electric energy storage systems as defined by this standard for use as2 O6 @3 I# y) |1 H" M
energy storage for stationary applications such as for PV, wind turbine storage or for UPS, etc.
/ y8 h5 J! ?( k* y* Sapplications. These systems are to be installed in accordance with the National Electric Code, ANSI/NFPA/ b4 a7 L! p( V# @+ x
70 or other applicable installation codes.- [3 D' L. G8 n7 z1 s8 A
1.2 These requirements also cover electric energy storage systems (EESS) as defined by this standard& y0 s/ Z9 d! g6 W4 }5 ?
for use in light electric rail (LER) applications and stationary rail applications such as rail substations
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UL20545 K* d' J8 B: a; t- ^) s
1.1 These requirements cover portable primary (nonrechargeable) and secondary (rechargeable)2 N4 F. G0 x7 h0 {; I
batteries for use as power sources in products. These batteries consist of either a single electrochemical: n7 p% c! H& I4 ]# T/ L
cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical K2 W2 R5 N5 }/ u q) H! D2 K' P: o
energy by chemical reaction.$ X' a; ~8 p* D; E$ f( g
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