Control system and control method for uninterruptible power supp

Details Control system and control method for uninterruptible power supp Control system and control method for uninterruptible power supp

1995-11-02

1998-07-14

Trammell, James P.

Boots, shoes, and leggings

364483, 364550, 395750, 3951822, 39518222, 340635, 340636, 320 48, 307 64, 307 66, G06F 126, H02J 906

Patent

active

057814481

ABSTRACT:
Amount of alternating current power is calculated using measuring units for alternating current voltage and alternating current. Value of direct current is calculated using the calculated alternating current power and an efficiency table. An initial life time of a battery is predicted using the calculated direct current value and a battery life time table. Life time corresponding to an actual consumed amount is repeatedly updated using a detected direct current value and an updated life time.

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