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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 ...
A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.
Pre-charge. Peak inrush current into a high voltage capacitor upon power up can stress the component, reducing its reliability. Pre-charge of the powerline voltages in a high voltage DC application is a preliminary mode which limits the inrush current during the power up procedure. A high-voltage system with a large capacitive load can be ...
The central bank chose last week to keep its rates at a 23-year high while hinting that a first cut could happen at a regularly scheduled Sept. 17-18 meeting if data backed up such a move. Federal ...
Boston's Jarren Duran, the All-Star MVP, hit a tiebreaking two-run homer in the fifth inning and the American League beat the National League 5-3 on Tuesday night for its 10th win in the past 11 ...
Four decades ago, a rare earth processing plant on France's Atlantic coast was one of the largest in the world, churning out materials used to make colour televisions, arc lights and camera lenses.
Page replacement algorithm. In a computer operating system that uses paging for virtual memory management, page replacement algorithms decide which memory pages to page out, sometimes called swap out, or write to disk, when a page of memory needs to be allocated. Page replacement happens when a requested page is not in memory ( page fault) and ...
If you have kids heading back to school soon, they may already be asking to go supply shopping. After all, it's one of the highlights of summer for many students. Check Out: The Best $20 You Can ...