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CEC是美國加州的能效標准,可上它的网看看:. o- q" b+ Q- g$ Q: P, T# n* [
www.energy.ca.gov
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Standards for Power Supplies
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Effective January 1 2007 for external power supplies used with laptop computers, mobile phones, printers, print servers, scanners, personal digital assistants (PDAs), and digital cameras.
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; w/ x8 N. y+ a4 T4 ?Effective July 1, 2007 for external power supplies used with wireline telephones and all other applications.
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Nameplate Output (W) Minimum Efficiency in Active Mode*
2 E8 j2 _9 [( ~. ]0 to < 1 Watt 0.49 * Nameplate Output ! b, D; B6 c. j. F3 h& V
≥ 1 and ≤ 49 Watts 0.09 * Ln(Nameplate Output) + 0.49
, \( }1 e' `) Y> 49 Watts 0.84
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; }& ~. e/ Q; k Maximum No-Load Energy Consumption
6 ^4 a7 R* }' f0 to < 10 Watts 0.5 Watts ; ~- s+ m5 `1 w- T
≥ 10 to < 250 Watts 0.75 Watts 6 ~1 T5 G6 w/ r7 [- ]# U
*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts
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, i4 A7 y6 }; eEffective July 1, 20080 s! C/ }" p7 B4 x
6 h* Y" p6 O3 ]Nameplate Output (W) Minimum Efficiency in Active Mode*
5 G& _; l8 E* _! m1 n+ @' `' H< 1 Watt 0.5 * Nameplate Output . K2 `4 T4 O5 o
≥ 1 and ≤ 51 Watts 0.09 * Ln(Nameplate Output) + 0.5
) F- C' u- x2 S" L. g& N, H2 e> 51 Watts 0.85
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V) T* |% M2 u/ W! `4 v8 c Maximum No-Load Energy Consumption - D$ R# P. x: _( F- N% c
Any Output 0.5 Watts
7 ?2 j1 y9 W% G( A$ M*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts 3 f9 x5 ^0 G. T
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Compact Audio Products Effective Jan 1, 20076 K# g# ]! q6 p) K `
2 W in audio standby passive mode for those w/o permanently illuminated clock display, 4 W for those with
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1 g; j" x/ L+ sTelevisions* y( V4 Z( M4 z/ w; h6 R4 i
Effective Jan 1, 2006% n+ u6 S) j; T' E# s( e0 j* p
3 W in TV standby passive mode8 U+ T& u, H" ?. J) ]
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DVD Players/Recorders 4 H( V& \) s# [% c3 A1 _
Effective Jan 1, 2006
! G; f) u3 P* V5 ~1 e$ _3 W in video standby passive mode+ K" m$ |1 |8 `9 d: ]5 ^) X! A5 n
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Digital Television Adapters T# C% A5 r1 K& ]) Z) s
Effective Jan 1, 2007- r7 y* s9 l8 z8 ~" T" }
1 W in STB standby passive mode, 8 W STB on mode |
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