Floating back-up power supply

Details Floating back-up power supply Floating back-up power supply

1983-02-07

1984-11-13

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

307 64, 307246, 307297, H02J 106

Patent

active

044828152

ABSTRACT:
A back-up voltage source useful over a comparatively long time interval during a power outage or voltage fluctuation is described. A circuit for adjusting the position of a voltage difference available at the back-up supply outputs is described. A potential difference appearing at the terminals of a floating voltage source is connected to a reference circuit for generating a voltage reference from the difference of potential. A voltage follower connected to the reference and to a second voltage source is employed to cause the voltage follower to reposition the potential difference of the supply so as to force the voltage reference to a level equal to the second voltage source.

REFERENCES:
patent: 3390307 (1968-06-01), Paddison et al.
patent: 3646428 (1972-02-01), Torok
patent: 3753001 (1973-08-01), Hiroshima et al.
Electronic Engineering, vol. 50, No. 603, Mar. 1978, "A Differential Power Supply Converter", p. 19.
IBM TDB, vol. 14, No. 1, Jun. 1971, pp. 68-69, "Power Line Disturbance Support Circuit".

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