Timothy C. Davies, P.E., Associate, Newcomb & Boyd, Atlanta

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Electrical and Power December 1, 2006

Which UPS is Right for the Job: Static, Rotary or Hybrid?

The Institute of Electrical and Electronics Engineers seems as good of a place as any to go for a definition of the uninterruptible power supply (commonly known as the UPS). According to IEEE Std 446—the IEEE Orange Book—the UPS is “a system designed to automatically provide power, without delay or transients, during any period when the normal power supply is incapable of perf...

By Timothy C. Davies, P.E., Associate, Newcomb & Boyd, Atlanta
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