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  1. Uninterruptible power supply - Wikipedia

    An uninterruptible power supply (UPS) or uninterruptible power source is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails.

  2. What Is a UPS? How an Uninterruptible Power Supply Works

    Apr 2, 2024 · A UPS, or an uninterruptible power supply system, is an electrical device designed to provide emergency power to a load when the input power source fails. Not to be confused …

  3. 8 Functions of UPS Power Supply - scupower.com

    Dec 26, 2022 · Its main function is to provide uninterrupted power supply for a single computer, computer network system or other power electronic equipment. When the mains input is …

  4. How does a UPS system work? | Schneider Electric USA

    Jul 23, 2025 · The basic function of an Uninterrupted Power Supply (UPS) is to protect and deliver power to critical electrical equipment and to keep the equipment running in the event of a …

  5. What is the Function of Uninterruptible Power Supply (UPS)

    The primary function of a UPS is to provide emergency power to devices in case of a blackout. When the main electrical supply is interrupted, the UPS activates immediately, ensuring that …

  6. Uninterruptible Power Supply (UPS) - Omron

    A UPS, or a uninterruptible power supply, is a device used to backup a power supply to prevent devices and systems from power supply problems, such as a power failure or lightning strikes.

  7. Introduction to the Functions of UPS (Uninterruptible P...

    The UPS (Uninterruptible Power Supply) offers highly practical functions. It plays a vital role in protecting devices, preventing data loss, and extending the service life of equipment.