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A switched-mode power supply ( SMPS ), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains ...
Depending on voltage level and construction details, HVDC transmission losses are quoted at 3.5% per 1,000 km (620 mi), about 50% less than AC (6.7%) lines at the same voltage. [19] This is because direct current transfers only active power and thus causes lower losses than alternating current, which transfers both active and reactive power .
The Information Age (also known as the Third Industrial Revolution, Computer Age, Digital Age, Silicon Age, New Media Age, Internet Age, or the Digital Revolution[ 1]) is a historical period that began in the mid-20th century. It is characterized by a rapid shift from traditional industries, as established during the Industrial Revolution, to ...
For example, a signal (10101010) has 50% duty cycle, because the pulse remains high for 1/2 of the period or low for 1/2 of the period. Similarly, for pulse (10001000) the duty cycle will be 25% because the pulse remains high only for 1/4 of the period and remains low for 3/4 of the period. Electrical motors typically use less than a 100% duty ...
LGM-30 Minuteman. Minuteman III launch from Vandenberg Space Force Base in California on 9 February 2023. The LGM-30 Minuteman is an American land-based intercontinental ballistic missile (ICBM) in service with the Air Force Global Strike Command. As of 2024, the LGM-30G (Version 3) [ note 1] is the only land-based ICBM in service in the United ...
Transfer (association football) In professional football, a transfer is the action taken whenever a player under contract moves between clubs. It refers to the transferring of a player's registration from one association football club to another. In general, the players can only be transferred during a transfer window and according to the rules ...
The fiscal year 2014 budget called for returning the estate tax exclusion, the generation-skipping transfer tax and the gift-tax exemption to the 2009 level, $3.5 million, in 2018. [43] The exemption amounts set by the Tax Cuts and Jobs Act of 2017 , $11,180,000 for 2018 and $11,400,000 for 2019 again have a sunset and will expire 12/31/2025
The 2012 presidential campaign of Mitt Romney officially began on June 2, 2011, when former Massachusetts Governor Mitt Romney formally announced his candidacy for the Republican Party nomination for President of the United States, at an event in Stratham, New Hampshire. Having previously run in the 2008 Republican primaries, this was Romney's ...
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