Uninterrupted power conditioner circuit

Details Uninterrupted power conditioner circuit Uninterrupted power conditioner circuit

1991-06-14

1993-06-01

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

323271, H02J 900

Patent

active

052162869

ABSTRACT:
A conditioning circuit for providing a reliable source of supply power has a source of interruptible power, a source of uninterruptible power, a first voltage limiting circuit supplied with power from the interruptible source, a normally off second voltage limiting circuit supplied with power from the uninterruptible source and a monitoring circuit for detecting interruptions in the power supplied by the interruptible source and triggering the second limiting circuit to an on condition. An adjustable timing circuit is associated with the monitoring circuit to control the on condition of the second limiting circuit to restrict its on condition to a predetermined desired period.

REFERENCES:
patent: 3873846 (1975-03-01), Morio et al.
patent: 4010381 (1977-03-01), Fickenscher et al.
patent: 4528459 (1985-07-01), Wiegel
patent: 4535282 (1985-08-01), Nguyen
patent: 4558230 (1985-12-01), Western
patent: 4628433 (1988-12-01), Notohamiprodjo
patent: 4638175 (1987-01-01), Bradford et al.

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