Title:
POWER SUPPLY APPLIANCE AND POWER SUPPLY SYSTEM WITH AN APPLIANCE SUCH AS THIS
Document Type and Number:
WIPO Patent Application WO/2012/045788
Kind Code:
A3
Abstract:
The subject matter of the invention is a power supply appliance (12) having an open-loop and/or closed-loop control device (22), a reference potential connection (26), at least one voltage potential connection (28) and a ground connection (30) for grounding the power supply appliance (12). The invention provides for the power supply appliance to have a permanent or switchable appliance-internal short-circuit current path (40) between the reference potential connection (26) and the ground connection (30), a detection apparatus (44) for continuous or quasi-continuous detection of a current flowing through the short-circuit current path (40), and a signal transmission path (46), which connects the detection apparatus (44) to the open-loop and/or closed-loop control device (22) for signalling purposes. The invention also relates to a corresponding power supply system (10).
Inventors:
WOLFF GERHARD (DE)
LEIFER CHRISTOPH (DE)
LEIFER CHRISTOPH (DE)
Application Number:
PCT/EP2011/067412
Publication Date:
March 28, 2013
Filing Date:
October 05, 2011
Export Citation:
Assignee:
PHOENIX CONTACT GMBH & CO (DE)
WOLFF GERHARD (DE)
LEIFER CHRISTOPH (DE)
WOLFF GERHARD (DE)
LEIFER CHRISTOPH (DE)
International Classes:
H02H5/10; G01R31/02; H02M1/32
Foreign References:
| EP0059416A1 | 1982-09-08 | |||
| EP2230522A1 | 2010-09-22 | |||
| EP1598929A1 | 2005-11-23 |
Other References:
See also references of EP 2625537A2
Attorney, Agent or Firm:
MICHALSKI HÜTTERMANN & PARTNER PATENTANWÄLTE (Neuer Zollhof 2, Düsseldorf, DE)
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