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CEC是美國加州的能效標准,可上它的网看看:
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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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Effective July 1, 2007 for external power supplies used with wireline telephones and all other applications.
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) w' x) h4 @) w( _+ P% T2 TNameplate Output (W) Minimum Efficiency in Active Mode* , m6 K# q- `5 g* w( K
0 to < 1 Watt 0.49 * Nameplate Output 6 ]2 R2 w# V( h$ `2 ~2 h' _+ z
≥ 1 and ≤ 49 Watts 0.09 * Ln(Nameplate Output) + 0.49 ' |! ]) A4 R% _6 [- {
> 49 Watts 0.84 * N- F; t. R. M
6 M/ @3 \7 c1 X* M8 g5 n' M9 E% P Maximum No-Load Energy Consumption
8 r- A3 o& ^2 A+ `0 to < 10 Watts 0.5 Watts
2 M3 ?! |" R( d6 P≥ 10 to < 250 Watts 0.75 Watts
; y& l3 ]$ d4 L. Z% q/ }; N; C" ?*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts
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# d" m1 z) b- ?$ _1 kEffective July 1, 2008
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Nameplate Output (W) Minimum Efficiency in Active Mode*
3 ~8 [; G4 g9 v u# H; S# p$ i< 1 Watt 0.5 * Nameplate Output
; J. B* H6 h# A! ^, q2 D: O" g≥ 1 and ≤ 51 Watts 0.09 * Ln(Nameplate Output) + 0.5
4 z- R: [6 _ O> 51 Watts 0.85 ! y. X: ? I. |$ I7 L9 q! g' _
0 l0 z& G' B* w! m i Maximum No-Load Energy Consumption
% R, Q' s& J" |0 [- W" u6 x% K4 UAny Output 0.5 Watts 4 k, l+ l( d+ |
*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts 6 o. b4 ^ J/ X0 d
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Compact Audio Products Effective Jan 1, 2007/ Z9 |* B0 u5 }; K# z
2 W in audio standby passive mode for those w/o permanently illuminated clock display, 4 W for those with
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8 g4 M% `: w% f) T. m% kTelevisions
. \) h% z5 X) ^( T Effective Jan 1, 2006
5 m6 r, p, Y0 T; g; L7 |, v3 W in TV standby passive mode
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DVD Players/Recorders ) X; D% r3 m: ~* ~7 b
Effective Jan 1, 2006- s6 `2 b# A& @
3 W in video standby passive mode
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, [$ ^4 ^" C; MDigital Television Adapters * _. L7 f% c# D v
Effective Jan 1, 2007
. L' Y6 z2 w) r% I' ^1 W in STB standby passive mode, 8 W STB on mode |
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