Introduction to the six-level energy efficiency standard of power adapter
The six-level energy efficiency standard is mainly for external power supply products. As people’s awareness of energy conservation and environmental protection increases, the requirements for external power supplies (such as current adapters, switching power supplies, chargers, etc.) are getting higher and higher. The country will officially launch a six-level energy efficiency standard in 2016, and the external power supply will be in active mode The no-load power consumption requirements of the efficiency are higher than the current requirements, so the power meter requirements for power measurement are also higher. According to the current standards in the United States and Europe, the accuracy of the power meter is not less than 0.15%.
It has been four years since the European Commission introduced the (EC) No 278/2009 ErP five-level energy efficiency standard in 2009. Therefore, the European Commission has put forward recommendations for review and revision of the current specifications. This is also due to the growing energy shortage and the greenhouse effect. A new energy efficiency standard made in this environment. The European Commission has increased the previously implemented No 278/2009 ErP five-level energy efficiency standard to the CoC 2016 Tier 2 standard CoC V5 six-level energy efficiency, CoC V5 six-level energy efficiency requires energy efficiency Higher products cover a wider range.
The European Commission clarified and revised the definition of low-voltage power supply and external power supply on the basis of ErP five-level energy efficiency; assessed the possibility of higher standards after research in the next three years; included multi-voltage output devices in the scope of control; Expand the scope of control to low-voltage wireless chargers; incorporate the 10% rated load test conditions into the active mode average efficiency benchmark; import resource efficiency parameters such as weight; include the necessity of charger standardization. The above revisions can be estimated. In 2015, nearly 3 megawatt-hours (TWh) of electricity for EU provinces
CoC V5 six-level energy efficiency focuses on higher no-load power consumption and efficiency than ErP. As everyone knows about efficiency, the total output power of the power adapter divided by the total input power is defined as efficiency, and high efficiency means less The volume or higher reliability, and can save energy. And no-load power consumption is the energy consumed by electronic equipment and its power converter in standby or no-load conditions, all of which account for 5 to 15% of household electricity The amount of energy is wasted in standby mode. These appliances include consumer appliances, household appliances, power adapters, chargers, portable electronic products and computers. So as long as this waste is as close as possible to zero, no matter what Whether in terms of energy saving and environmental protection or household electricity expenses, they have benefited a lot. Governments of various countries have also formulated relevant standards for standby power consumption, and the standards have become increasingly strict.
Therefore, the European Commission is improving the current energy efficiency requirements and is consistent with the requirements of the new draft of the EU External Power Supply Code of Conduct (CoC). Phase and Phase II will be in June 2015 and 2017 respectively. It was implemented in June, and the third phase was in June 2019. According to a survey conducted in 2012, 52% of products on the market must be redesigned to meet the energy efficiency requirements of the phase; 93% must be redesigned to meet the second phase Requirements. It is recommended that power supply manufacturers should respond as soon as possible and check whether their products can meet the EU's future requirements.
CoC V5 requirements for power consumption in no-load mode of power adapter
CoC V5 efficiency requirements for six-level energy efficiency power adapters (not including low-voltage external power supplies)
CoC V5's efficiency requirements for power adapters (low-voltage external power supply)
1. What is DOE6?
People have higher and higher requirements for energy conservation and environmental protection, and external power supplies such as power adapters, switching power supplies, and chargers are also in this plan as high-efficiency and energy-saving power supply products. As early as 2014, the U.S. Department of Energy issued a 6-level energy efficiency DOE VI implementation schedule, proposed new energy efficiency requirements for external power supplies, and provided manufacturers with a two-year buffer period.
The new regulations apply to all external power supplies that work directly, including cell phone chargers, multi-port USB chargers, and USB power strips that we often use. This law will be enforced on February 10, 2016. This is both a challenge and an opportunity for power supply and supporting manufacturers. Therefore, power supply manufacturers need to understand these new requirements and follow up on these requirements when product upgrades to ensure compliance with standards and avoid fines and shipment delays.
2. What is the background of DOE6?
The US Department of Energy's 6-level energy efficiency certification power adapter DOE VI is different from the 80PLUS incentive policy, but is enforced by law. First understand some background information issued by DOE VI. In 1998, Alan Meyer, a staff scientist at Lawrence Berkeley Laboratory (LBNL), made an estimate: In the United States alone, one-year standby power consumption accounts for 5% of all residential electricity consumption, which is equivalent to one year's energy. The cost is $3 billion.
According to the US Department of Energy's forecast, the total residential electricity consumption in the United States in 2014 was 1.29 billion megawatt-hours, so 5% wasted to 64 million megawatt-hours, which is equivalent to wasting the electricity produced by 18 typical power stations.
Nowadays, energy conservation and emission reduction are accepted by the public, energy is decreasing, and the efficiency of active mode energy consumption has become the main focus. Every innovation and structural improvement can increase the efficiency by a fraction of a percentage point. Solving no-load power consumption is a breeze for the industry, so after the US government has issued new standards to reduce annual greenhouse gas emissions, this resolution of the US Department of Energy will have a profound impact.
3. How to pass DOE6 certification?
1. Certification notice
(1) 115V and 230V four loads: 25%, 50%, 75%, 100%, load efficiency ≥88%;
(2) Standby power consumption: 1-49W, AC-DC ≤0.1W, AC-AC ≤0.21W; 49-250W, ≤0.21W; >250W, ≤0.5W.
2. Certification skills
(1) Lead length: 10cm;
(2) Be careful to use low voltage instruction formula below 6V;
(3) Also pay attention to no-load power consumption;
(4) Safety test standard, warm up for 30 minutes