属牛的幸运数字EUROPEAN COMMISSION
DIRECTORATE-GENERAL JRC
JOINT RESEARCH CENTRE
Institute for Energy and Transport
Renewable Energy Unit
Ispra, 29 October 2013
阿长与山海经读后感
Code of Conduct
on Energy Efficiency of External Power Supplies
常想一二Version 5
1.I NTRODUCTION
This Code of Conduct has been prepared by the European Commission Joint Rearch Centre, following the discussions of the working group compod by independent experts, Member States reprentatives and reprentatives of industry.
mabangPower supplies contribute substantially to the electricity consumption of houholds in Europe. The impact asssment for the ecodesign regulation on external power supplies calculated an increa in energy consumption from about 7.3 TWh in 2010 to about 7.5 TWh in 2020 (Business as Usual scenario). With actions resulting from this Code of Conduct savings of 1.04 TWh in 2020 are achieved1.
When addressing efficiency of power supplies, also power quality should be taken into account. Although applying electronics in power supplies can increa efficiency and lower no load loss, it should not adverly affect the power quality.
2.S COPE
爆跳如雷
Scope of this Code of Conduct are single voltage external ac-dc and ac-ac power supplies for electr
onic and electrical appliances, including among others AC adapters, battery chargers for mobile phones, domestic appliances, power tools and IT equipment, in the output power range 0.3W to 250W. As the name implies, external power supplies are contained in a parate housing from the end-u devices they are powering; internal power supplies (tho contained inside the product) are not covered by this Code of Conduct. In most cas power supplies are specified by the appliance manufacturer; production can be at the appliance manufacturer or at a dedicated manufacturer.
As a parate subcategory a Low Voltage external power supply is defined as an external power supply that satisfies both of the following criteria:
• a nameplate output voltage of less than 6 volts and
• a nameplate output current greater than or equal to 550 milliamps.
This Code of Conduct does not cover the following types of external power supplies:
•dc-dc power supplies,
•ac adapters with more than one output terminal using switching power circuit, •contact-less chargers using switching power circuit.
1 CLASP, Estimating potential additional energy savings from upcoming revisions to existing regulations under
the ecodesign and energy labelling directives, 18 February 2013, pp. 18-20
3.A IM
To minimi energy consumption of external power supplies both under no-load and load conditions in the output power range 0.3W to 250W.
内容的拼音4.C OMMITMENT
Signatories of this Code of Conduct commit themlves to:
4.1 Design power supplies or component so as to minimi energy consumption of external
power supplies. Tho companies who are not responsible for the production of power supplies shall include the concept of minimisation of energy consumption in their purchasing procedures of power supplies.
4.2 Achieve both the no-load power consumption and on-mode efficiency targets shown in
一场雪Table 1.1, Table 2.1 and 2.2 for at least 90% of products2, for the new models of external power supplies that are introduced on the market or specified in a tender/procurement after the effective date (for new participants after the date they have signed the Code of conduct).
Table 1.1: No-load Power Consumption
Rated Output Power (P no)
No-load power consumption Tier 1 Tier 2
> 0.3 W and < 49 W 0.150 W 0.075 W
> 49 W and < 250 W 0.250 W 0.150 W Mobile handheld battery driven
and < 8 W
0.075 W 0.075 W
Table 2.1: Energy-Efficiency Criteria for Active Mode (excluding Low Voltage external power supplies)
Rated Output Power (P no) Minimum Four Point Average Efficiency in
Active Mode
Minimum Efficiency in Active Mode at 10 %
load of full rated output current Tier 1 Tier 2 Tier 1 Tier 2
0.3 < W < 1 ≥ 0.500 * P no + 0.146 ≥ 0.500 * P no + 0.169 ≥ 0.500 * P no + 0.046 ≥ 0.500 * P no + 0.060
1 < W < 49 ≥0.0626*ln(P no) + 0.646 ≥0.071*ln(P no)
– 0.00115 * P no + 0.670 ≥0.0626*ln(P no) + 0.546 ≥0.071*ln(P no)
– 0.00115 * P no + 0.570
49 < W < 250 ≥ 0.890 ≥ 0.890 ≥ 0.790 ≥ 0.790
“ln” refers to the natural logarithm. Efficiencies to be expresd in decimal form: an efficiency of 0.88 in decimal form corresponds to the more familiar value of 88% when expresd as a percentage.
2The external power supplies not meeting the Code of Conduct specifications, shall not in any ca exceed 10 % of the total sales volume for all models (falling in the scope of the Code of Conduct) produced or purchad by a participating company.
小猪仔图片
Table 2.2: Energy-Efficiency Criteria for Active Mode for Low Voltage external power supplies
Rated Output Power (P no) Minimum Four Point Average Efficiency in
Active Mode
Minimum Efficiency in Active Mode at 10 %
load of full rated output current Tier 1 Tier 2 Tier 1 Tier 2
0.3 < W < 1 ≥ 0.500 * P no + 0.086 ≥ 0.517 * P no + 0.091 ≥ 0.500 * P no≥ 0.517 * P no
1 < W < 49 ≥0.0755*ln(P no) + 0.586 ≥0.0834*ln(P no)
– 0.0011 * P no + 0.609 ≥0.072*ln(P no) + 0.500 ≥0.0834*ln(P no)
– 0.00127 * P no + 0.518
49 < W < 250 ≥ 0.880 ≥ 0.880 ≥ 0.780 ≥ 0.780
“ln” refers to the natural logarithm. Efficiencies to be expresd in decimal form: an efficiency of 0.88 in decimal form corresponds to the more familiar value of 88% when expresd as a percentage.
The no-load power consumption and the energy efficiency shall be measured and declared according to the method in the Annex.
Effective dates:
Tier 1: 1 January 2014
Tier 2: 1 January 2016
4.3 Co-operate with the European Commission and Member States in monitoring the
effectiveness of the Code of Conduct for external power supplies.
5.M ONITORING
Signatories will report on a yearly basis in a confidential manner to the European Commission how
many models of external power supplies out of the total number of models a manufacturer produces reach the target in that year. For each model using an external power supply or each external power supply the associated no-load power consumption and the efficiency values as specified in the Annex shall be reported by means of an electronic spreadsheet that will be provided by the European Commission. The reporting shall be completed by the end of February of the following year. The monitoring results will be discusd in an anonymous manner with parties involved and can be published by the European Commission.
Annex
M EASUREMENT METHOD
Measurements should be carried out according to the method specified in the “Test Method for Calculating the Energy Efficiency of Single Voltage External Ac-Dc and Ac-Ac Power Supplies (August 13, 2004)”, issued by US EPA.
The following measurement results should be reported:
-no-load power consumption
-
efficiency at 10 %, 25 %, 50 %, 75 % and 100 % of full rated output current
