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CEC是美國加州的能效標准,可上它的网看看:
. H+ t& N( A8 H' n! P1 {www.energy.ca.gov: n4 l" b; _/ G! w% Q
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Standards for Power Supplies
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! O5 ~' x7 Y# C" NEffective January 1 2007 for external power supplies used with laptop computers, mobile phones, printers, print servers, scanners, personal digital assistants (PDAs), and digital cameras.7 I7 {$ P6 V$ n3 h3 j: M
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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* + z- d# _% u7 \+ Q
0 to < 1 Watt 0.49 * Nameplate Output
+ n" P# @- D7 N; M5 N% c≥ 1 and ≤ 49 Watts 0.09 * Ln(Nameplate Output) + 0.49
0 w9 w1 ?7 r, O2 y4 @. j+ T6 l% D> 49 Watts 0.84
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2 Y% J" V* K* \7 Z2 L* J3 I Maximum No-Load Energy Consumption
. |7 X ^- [" e$ U! z' b; o0 to < 10 Watts 0.5 Watts
$ i9 H0 e- j9 u* E: C≥ 10 to < 250 Watts 0.75 Watts
8 Z" _/ |+ h0 }2 I4 D2 `, d1 w*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts
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Effective July 1, 20080 l2 V4 Z- n9 M5 `. m
' p9 Y- ], s: ], INameplate Output (W) Minimum Efficiency in Active Mode*
" K7 N ?! ?. ` c# h+ I< 1 Watt 0.5 * Nameplate Output
5 h$ i1 l+ G/ v0 A1 I+ n≥ 1 and ≤ 51 Watts 0.09 * Ln(Nameplate Output) + 0.5 `; M0 g& ?( R4 ?: Z+ r2 S
> 51 Watts 0.85 0 M" _7 P; `/ @: W' u
( k: q0 k! C4 }5 e% N9 o Maximum No-Load Energy Consumption
) r$ W5 E6 k" p* {0 h. w- JAny Output 0.5 Watts
7 n( m m* a0 Y' B; I*Ln (Nameplate output) = Natural Logarithm of the nameplate output expressed in Watts & U, E: i# T( L) U8 M a; B/ M# j% \
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Compact Audio Products Effective Jan 1, 2007- x9 \% Z6 G1 D+ c4 Z( q0 A
2 W in audio standby passive mode for those w/o permanently illuminated clock display, 4 W for those with
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3 ?7 l: L) A* aTelevisions
" x' M* P" y1 I' H0 S D. ~ Effective Jan 1, 20063 \# b% ?6 l# I j4 U
3 W in TV standby passive mode
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DVD Players/Recorders + L9 `" f0 w: q: x3 O
Effective Jan 1, 2006
7 G3 O2 A [1 e; u3 W in video standby passive mode
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Digital Television Adapters $ ~: i* e9 i# i: Q0 `% b3 B
Effective Jan 1, 20076 U# P; H7 z& {1 \4 y- @
1 W in STB standby passive mode, 8 W STB on mode |
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