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本帖最后由 lxxcumt 于 2015-8-7 16:13 编辑
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2 D1 d. K/ `" y% w8.2.1 Connection to a separate power source+ {+ r7 K+ e/ D! p
If ME EQUIPMENT is specified for connection to a separate power source, other than the SUPPLY
; |0 I4 f: ~6 W/ AMAINS, either the separate power source shall be considered as part of the ME EQUIPMENT and
' t/ r) x' z3 e+ zall relevant requirements of this standard shall apply, or the combination shall be considered
5 e4 R& {! i4 V; zas an ME SYSTEM. See also 7.2.5, 7.9.2.14, 5.5 f) and Clause 16.
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来看supply mains 的定义:
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source of electrical energy not forming part of ME EQUIPMENT or ME SYSTEM 5 p) V- g6 X( }3 ?% u- A
NOTE This also includes battery systems and converter systems in ambulances and the like./ y% Q; L% r# [ U3 R) Y. U
& x2 E2 C3 j: t1 l) f电池供电的:& e1 T' X% E1 u: w& I# N# {) |) i; a
3.45
2 D2 u% \, B ~% SINTERNAL ELECTRICAL POWER SOURCE
- u3 Z) Q3 [& |! G- U, M; _7 Welectrical power source for operating equipment that is a part of the equipment and which produces electrical current from some other form of energy EXAMPLE Chemical, mechanical, solar, or nuclear
. e6 d/ l: n0 Z; Z( JNOTE An INTERNAL ELECTRICAL POWER SOURCE can be inside the principal part of equipment, attached to the outside, or contained in a separate ENCLOSURE.
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电池,适配器一般认为是ME的一部分,所以属于seperate power supply.2 [) B$ K# H# [2 k5 H9 q2 S( b- m
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总之一句话:认为是ME的一部分,或者和ME组成ME system的(比如一些单独的隔离变压器)都是属于seperate power supply.
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