Protection device for non-common ground buses

Details Protection device for non-common ground buses Protection device for non-common ground buses

2006-12-27

2009-12-08

Paladini, Albert W (Department: 2836)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S132000, C320S136000, C307S085000, C307S086000, C307S087000, C361S078000, C361S079000, C361S088000, C361S090000

Reexamination Certificate

active

07629771

ABSTRACT:
A protection device for non-common ground buses is disclosed. The protection circuit includes a controller, a level shifter, a first group of switches, and a second group of switches. The controller together with the level shifter controls the first group and second group of switches. The non-common ground buses will be isolated when at least one group of the switches are turned off in an abnormal condition.

REFERENCES:
patent: 5890780 (1999-04-01), Tomiyori
patent: 7215096 (2007-05-01), Miura et al.
patent: 7365952 (2008-04-01), Sato
patent: 2002/0000788 (2002-01-01), Ostergaard et al.
patent: 2005/0156573 (2005-07-01), Lin
patent: 2005/0162131 (2005-07-01), Sennami et al.

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