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Commission Regulation (EC) No 278/2009 of 6 April 2009 implementing Directive 2005/32/EC of the European Parliament and of the Council with regard to ecodesign requirements for no-load condition electric power consumption and average active efficiency of external power supplies (Text with EEA relevance) (repealed)
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The no-load condition power consumption shall not exceed 0,50 W.
The average active efficiency shall be not less than:
0,500 · PO, for PO < 1,0 W;
0,090 · ln(PO) + 0,500, for 1,0 W ≤ PO ≤ 51,0 W;
0,850, for PO > 51,0 W.
The no-load condition power consumption shall not exceed the following limits:
AC-AC external power supplies, except low voltage external power supplies | AC-DC external power supplies except low voltage external power supplies | Low voltage external power supplies | |
---|---|---|---|
PO ≤ 51,0 W | 0,5 W | 0,3 W | 0,3 W |
PO > 51,0 W | 0,5 W | 0,5 W | n/a |
The average active efficiency shall be not less than the following limits:
AC-AC and AC-DC external power supplies, except low voltage external power supplies | Low voltage external power supplies | |
---|---|---|
PO ≤ 1,0 W | 0,480 · PO + 0,140 | 0,497 · PO + 0,067 |
1,0 W < PO ≤ 51,0 W | 0,063 · ln(PO) + 0,622 | 0,075 · ln(PO) + 0,561 |
PO > 51,0 W | 0,87 | 0,86 |
The no-load condition power consumption and the average active efficiency referred to in point 1 shall be established by a reliable, accurate and reproducible measurement procedure, which takes into account the generally recognised state of the art.
Measurements of power of 0,50 W or greater shall be made with an uncertainty of less than or equal to 2 % at the 95 % confidence level. Measurements of power of less than 0,50 W shall be made with an uncertainty of less than or equal to 0,01 W at the 95 % confidence level.
For the purposes of conformity assessment pursuant to Article 4, the technical documentation shall contain the following elements:
Reported quantity | Description |
---|---|
Root mean square (Rms) output current (mA) | Measured at load conditions 1-4 |
Rms output voltage (V) | |
Active output power (W) | |
Rms input voltage (V) | Measured at load conditions 1-5 |
Rms input power (W) | |
Total harmonic distortion (THD) | |
True power factor | |
Power consumed (W) | Calculated at load condition 1-4, measured at load condition 5 |
Efficiency | Calculated at load conditions 1-4 |
Average efficiency | Arithmetic average of efficiency at load conditions 1-4 |
The relevant load conditions are as follows:
Percentage of nameplate output current | |
---|---|
Load condition 1 | 100 % ± 2 % |
Load condition 2 | 75 % ± 2 % |
Load condition 3 | 50 % ± 2 % |
Load condition 4 | 25 % ± 2 % |
Load condition 5 | 0 % (no-load condition) |
When performing the market surveillance checks referred to in Article 3(2) of Directive 2005/32/EC, the authorities of the Member States shall apply the following verification procedure for the requirements set out in Annex I.
the result for no-load condition does not exceed the applicable limit value set out in Annex I by more than 0,10 W; and
the arithmetic average of efficiency at load conditions 1-4 as defined in Annex I does not fall below the applicable limit value for average active efficiency by more than 5 %.
the average of the results for no-load condition does not exceed the applicable limit value set out in Annex I by more than 0,10 W; and
the average of the arithmetic averages of efficiency at load conditions 1-4 as defined in Annex I does not fall below the applicable limit value for average active efficiency by more than 5 %.
The lowest available no-load condition power consumption of external power supplies can be approximated by:
0,1 W or less, for PO ≤ 90 W,
0,2 W or less, for 90 W < PO ≤ 150 W,
0,4 W or less, for 150 W < PO ≤ 180 W,
0,5 W or less, for PO > 180 W.
The best available active average efficiency of external power supplies according to most recent available data (status January 2008) can be approximated by:
0,090 · ln (PO) + 0,680, for 1,0 W ≤ PO ≤ 10,0 W,
0,890, for PO > 10,0 W.
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