Electronic protection devices for automatic circuit-breakers

Details Electronic protection devices for automatic circuit-breakers Electronic protection devices for automatic circuit-breakers

2008-05-06

2008-05-06

Sherry, Michael (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

Reexamination Certificate

active

11107780

ABSTRACT:
Described herein is an electronic protection device for automatic circuit-breakers comprising: a control unit; a warning interface; a supply system comprising a main supply system and a first back-up supply system; an interface for connection between said supply system and said control unit, said connection interface comprising an automatic device for passage from the main supply to the back-up supply in the event of interruption of said main supply.

REFERENCES:
patent: 5793627 (1998-08-01), Caldes et al.
patent: 5898232 (1999-04-01), Reents et al.
patent: 5943246 (1999-08-01), Porter
patent: 6201319 (2001-03-01), Simonelli et al.
patent: 6650322 (2003-11-01), Dai et al.
patent: 6788214 (2004-09-01), Lelecas
patent: 2003/0098679 (2003-05-01), Odaohhara

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