UPS with auto self test

Details UPS with auto self test UPS with auto self test

1993-05-19

1995-10-17

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With control means responsive to battery condition sensing...

307 66, H01M 1048

Patent

active

054589916

ABSTRACT:
An uninterruptible power supply (UPS) is disclosed in which AC line power is used to charge a back-up battery and to operate a load during a stand-by mode of operation of the UPS. In the back-up mode of operation when AC line power is not available, the battery is used to supply power to the load. The UPS automatically tests the load and the battery when the AC line power is available to assure availability of back-up power in case of a failure of the AC power. The results of the test is displayed to the user.

REFERENCES:
patent: 4203041 (1980-05-01), Sachs
patent: 4354118 (1982-10-01), Spencer
patent: 4583004 (1986-04-01), Yearsin
patent: 5130562 (1992-07-01), Freymuth
patent: 5156928 (1992-10-01), Takabayashi
patent: 5206538 (1993-04-01), Orta

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