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  2. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    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.

  3. Diesel rotary uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Diesel_rotary...

    Most forms of uninterruptible power supply (UPS) can be either powered by battery or flywheel energy. These are ready for immediate use at the instant that the mains electricity fails, but the relatively small and finite amount of stored energy they contain makes them suitable for short periods of use, typically in the order of a few dozen minutes to a couple of hours depending on the actual load.

  4. Centennial Light - Wikipedia

    en.wikipedia.org/wiki/Centennial_Light

    Since that move, the bulb has run continuously on an uninterruptible power supply; previously it had only been off the grid for short periods of time (e.g. a week in 1937 for a renovation and the odd power outage). [7] In 2001, the bulb's 100th birthday was celebrated with a community barbecue and live music. [7]

  5. Category:Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Category:Uninterruptible...

    Pages in category "Uninterruptible power supply" The following 7 pages are in this category, out of 7 total. ... This page was last edited on 15 June 2022, at 13:12 ...

  6. Backup battery - Wikipedia

    en.wikipedia.org/wiki/Backup_battery

    Backup batteries are used in uninterruptible power supplies (UPS), and provide power to the computers they supply for a variable period after a power failure, usually long enough to at least allow the computer to be shut down gracefully. [4] These batteries are often large valve regulated lead-acid batteries in smaller or portable systems.

  7. UPS - Wikipedia

    en.wikipedia.org/wiki/UPS

    Uninterruptible power supply, a device which provides continuous power to electronics; ... This page was last edited on 24 June 2024, at 19:30 (UTC).