Device and method for monitoring the connection of an...

Details Device and method for monitoring the connection of an... Device and method for monitoring the connection of an...

2006-05-30

2006-05-30

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S076780, C324S701000

Reexamination Certificate

active

07053626

ABSTRACT:
The invention relates to a device and a method for monitoring the connection of an electrical supply unit comprising voltage detection (32) detecting phase voltage (14), current detection (32) detecting phase voltages (38), a transformation unit (66) transforming the phase voltages (38) after conducting field-oriented regulation in at least one cross current (62), wherein a monitoring device (34) is provided to monitor at least one supply connection (28, 36) by means of which an electrical supply unit (32) is supplied, said monitoring unit evaluating the variation of the cross current (62) in order to monitor the connection.

REFERENCES:
patent: 4161011 (1979-07-01), Wilkinson
patent: 5617018 (1997-04-01), Earle
patent: 5680040 (1997-10-01), Kawai et al.
patent: 6081123 (2000-06-01), Kasbarian et al.
patent: 6559651 (2003-05-01), Crick
patent: 6885166 (2005-04-01), Eisenhardt et al.
patent: 6903556 (2005-06-01), Sutton
patent: 42 13 443 (1994-01-01), None
patent: 100 35 783 (2001-02-01), None

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