AC UPS

What is an uninterruptible power supply?

In the classic sense, an uninterruptible power supply (UPS) is a device that bridges mains power failures (such as voltage drops, short-term power fails, or longer power fails) to provide power to devices and prevent power outages to avoid malfunctions.

There are several topologies for uninterruptible power supplies (such as online, line interactive, offline). UPSs with different topologies have different advantages and disadvantages. To choose the right uninterruptible system, it is necessary to know the devices and the environment.

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