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CEC是美國加州的能效標准,可上它的网看看:( m7 k" p7 g5 `/ @
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, a/ L5 X3 k* R# F4 }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." _/ ?0 p6 h) t& P$ S
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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* * ~% d( w+ ?, `8 O3 M6 t
0 to < 1 Watt 0.49 * Nameplate Output
* Z/ i) X! j7 G3 `2 y0 T≥ 1 and ≤ 49 Watts 0.09 * Ln(Nameplate Output) + 0.49
& q8 j( I3 a7 e" o> 49 Watts 0.84
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( y* S7 |# s3 P" P! J% T' \! ~ Maximum No-Load Energy Consumption
' o! g0 t2 ^) x% d+ C- W$ s0 to < 10 Watts 0.5 Watts 2 L0 q e, o) `0 e8 e. y
≥ 10 to < 250 Watts 0.75 Watts
) t% E" L. P+ I! E- W. g1 {*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts
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Effective July 1, 2008
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Nameplate Output (W) Minimum Efficiency in Active Mode* 1 r8 K# ?' b7 @/ ~ g
< 1 Watt 0.5 * Nameplate Output
. J4 b6 M- I3 x4 c) t0 e6 X% D9 b$ C≥ 1 and ≤ 51 Watts 0.09 * Ln(Nameplate Output) + 0.5
' C' z3 a% O2 `* }6 d- v> 51 Watts 0.85 * d- E4 g+ G( S
5 Y) L3 @2 O0 T3 R% y: U Maximum No-Load Energy Consumption
. E/ Y( |- p1 l7 X" O6 }1 OAny Output 0.5 Watts
. v4 S$ o* N2 h4 {* p/ e" ~' ]; t*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts * A# N+ l! n; z5 q* o
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Compact Audio Products Effective Jan 1, 2007, V3 W( D* |/ p9 h* B
2 W in audio standby passive mode for those w/o permanently illuminated clock display, 4 W for those with
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Televisions
% x: B" _5 V, @) l, d) V5 Q Effective Jan 1, 2006' F' a7 _4 H1 O, V/ H
3 W in TV standby passive mode& M) B! |# h% a+ ]) P- g& w3 q
( c" @) z1 R, n0 rDVD Players/Recorders 8 h1 c4 h7 \$ _7 n9 N
Effective Jan 1, 2006
# x4 Q: |. C5 p- t3 \" M- h3 W in video standby passive mode) a- k; t G N
. ?6 W( x- u' @8 QDigital Television Adapters + W" J! d: D8 M1 p& ~( ?. j# r0 [
Effective Jan 1, 2007$ H- f/ ?& ^. V
1 W in STB standby passive mode, 8 W STB on mode |
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