Device to prevent reverse current flow, rectifier device and sol

Details Device to prevent reverse current flow, rectifier device and sol Device to prevent reverse current flow, rectifier device and sol

1996-01-16

1998-03-10

Elms, Richard T.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307 51, 307116, 361 82, 361 84, H02H 318

Patent

active

057265054

ABSTRACT:
A device to prevent reverse current flow includes a diode connected between a power supply and a load. A switching device, connected in parallel with the diode, has a power loss that is smaller than that of the diode. A low-loss current detector, arranged to turn the switching device on and off, includes a DC current detector and a comparator. The comparator compares the detected DC current value with a threshold value for an operating current and generates an output signal that determines when the switching device should be turned on or off.

REFERENCES:
patent: 4596950 (1986-06-01), Lienhard et al.
patent: 4617473 (1986-10-01), Bingham
patent: 4661758 (1987-04-01), Whittaker
patent: 5010291 (1991-04-01), Edwards
patent: 5451881 (1995-09-01), Finger
patent: 5483173 (1996-01-01), Pellegrini
patent: 5519557 (1996-05-01), Kopera et al.

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