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Volume 31, Issue 2

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Uninterruptible Power Supply (UPS)

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TermDefinition
Uninterruptible Power Supply (UPS)
A backup electrical power supply that provides continuous power to critical equipment in the event that commercial power is lost.A battery powered backup power supply use to provide short-term temporary power in the event of failure of mains supply. The UPS (usually a bank of batteries) offers short-term protection against power surges and outages. The UPS usually only allows enough time for vital systems to be correctly powered down.