uninterruptible power supply

English

A UPS in front and rear view.

Pronunciation

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Noun

uninterruptible power supply (plural uninterruptible power supplies)

1. (electrical engineering) A device or system that almost instantaneously provides emergency power in the case that main power fails.
   • 2009, Geoff Craighead, High-Rise Security and Fire Life Safety, page 357:

     Examples of emergency power supplies include a storage battery or group of batteries, a generator driven by a fuel-supplied prime mover, or an uninterruptible power supply (UPS) […].

   • 2018 June 24, Gloucester Advocate‎^[1]:

     This upgrade comes after the installation of a $50,000 uninterruptible power supply system to compliment the facilities independent power supply.

Synonyms

• uninterruptible power source
• UPS

Translations

Translations

• Danish: nødstrømsanlæg
• French: onduleur (fr) m, alimentation sans interruption f, alimentation statique sans coupure f
• Galician: sistema de alimentación ininterrumpida m
• German: unterbrechungsfreie Stromversorgung f
• Greek: σύστημα αδιάλειπτης τροφοδοσίας (el) n (sýstima adiáleiptis trofodosías), αδιάλειπτη παροχή ενέργειας (el) f (adiáleipti parochí enérgeias)
• Indonesian: pasokan daya takterputus
• Italian: gruppo di continuità m
• Malay: bekalan kuasa tanpa gangguan
• Polish: zasilacz awaryjny m, zasilacz bezprzerwowy m
• Portuguese: fonte de alimentação ininterrupta f; (Portugal) UPS m or f; (Brasil) no-break m, nobreak (pt) m, no break
• Spanish: sistema de alimentación ininterrumpida m