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CEC是美國加州的能效標准,可上它的网看看:! X$ J$ f$ V6 z L) K
www.energy.ca.gov
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Standards for Power Supplies
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, h! g; z4 N# Z; ~# c# {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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Effective July 1, 2007 for external power supplies used with wireline telephones and all other applications. 5 c6 F A& u1 ]% m8 ]
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Nameplate Output (W) Minimum Efficiency in Active Mode* 4 w0 i! o8 w \& g: k+ E
0 to < 1 Watt 0.49 * Nameplate Output 9 D6 h. w( k/ E' x* K' i
≥ 1 and ≤ 49 Watts 0.09 * Ln(Nameplate Output) + 0.49
" @6 r( S) m+ X7 t+ c& _% K> 49 Watts 0.84 ) e, f: l6 i! n& h
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Maximum No-Load Energy Consumption
6 B, Y/ `+ \: p( F3 u; D" l/ ~0 to < 10 Watts 0.5 Watts 3 i0 L) Q& T: T0 Z$ \ U1 e
≥ 10 to < 250 Watts 0.75 Watts 3 C1 g: N( L N
*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts
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Effective July 1, 2008: y3 ^4 b" i( X
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Nameplate Output (W) Minimum Efficiency in Active Mode*
. q z- R. l5 @# m) O' b \< 1 Watt 0.5 * Nameplate Output
8 e+ Q2 x, Q3 r9 _! u≥ 1 and ≤ 51 Watts 0.09 * Ln(Nameplate Output) + 0.5 3 X. J6 J8 @$ Z( Z+ ?; R A
> 51 Watts 0.85 7 _4 i" N8 j q4 G: I
^9 [7 q1 j9 z @ Maximum No-Load Energy Consumption " \: K9 Y8 i) ?* ?
Any Output 0.5 Watts
/ s1 `7 E& [' w/ q*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts 4 Q& _8 T+ {* r& E
2 `6 F0 k3 Z* k; y; PCompact Audio Products Effective Jan 1, 2007
' _, I" H6 f1 k/ [, U2 W in audio standby passive mode for those w/o permanently illuminated clock display, 4 W for those with
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9 T M3 X# E8 T& E" d) D. STelevisions
( {7 B* f" e3 j- e" C Effective Jan 1, 2006
, s# X0 I4 M/ }3 p) ~. r3 W in TV standby passive mode
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4 u5 {& H! Q2 W& ] sDVD Players/Recorders
6 ?; X$ A( ~% `* I% g Effective Jan 1, 2006" M5 x {7 U5 K: k
3 W in video standby passive mode3 v) Q( j4 Y$ U! k
3 U/ q* \2 O. A! H$ T* pDigital Television Adapters
4 E+ {+ m! w( F3 o+ Z8 ]0 ^ Effective Jan 1, 2007* v1 b4 S7 R, h( }, ?* A1 d' P
1 W in STB standby passive mode, 8 W STB on mode |
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