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80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
In addition, a percentage of Energy Star certified product models in each category are subject to off-the-shelf verification testing each year. As of 2017, there are 23 independent certification bodies and 255 independent laboratories recognized for purposes of Energy Star product certification and testing. [53] Most cover multiple product types.
For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85 percent efficient for loads above 180 W) may only be 73% efficient when the load is lower than 100 W, which is a typical idle power for a desktop computer. Thus, for a 100 W load, losses for this ...
Three employees at a Maryland Cracker Barrel have reportedly been dismissed after staff refused to seat a group of students with special needs on Dec. 3 Superintendent of Charles County Public ...
The Supreme Court declined Monday to take up an appeal from conservative states challenging California’s ability to establish strict vehicle emission rules that effectively set the standard for ...
(Reuters) -U.S. President-elect Donald Trump said in an interview aired on Sunday he will not try to replace Federal Reserve Chair Jerome Powell upon taking office in January. Trump added that he ...
For reference, about 10,000 100-watt lightbulbs or 5,000 computer systems would be needed to draw 1 MW. Also, 1 MW is approximately 1360 horsepower . Modern high-power diesel-electric locomotives typically have a peak power of 3–5 MW, while a typical modern nuclear power plant produces on the order of 500–2000 MW peak output.
During 2015 and 2016, Tesla deployed a combined 300 MWh of Powerwall and Powerpack technology, including an 80 MWh deployment of Powerpacks at the Mira Loma substation in Southern California. [2] In 2017, Tesla used Powerpacks to deploy 129 MWh of battery storage at the Hornsdale Power Reserve in South Australia, [ 3 ] the biggest deployment of ...
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