The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2013
Filed:
Nov. 17, 2011
Applicant:
Peter Wallmeier, Lippstadt, DE;
Inventor:
Peter Wallmeier, Lippstadt, DE;
Assignee:
AEG Power Solutions B.V., Zwanenburg, NL;
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an arrangement () for ground fault monitoring of an AC circuit between, on one hand, a neutral conductor (N') of the AC circuit and, on the other hand, a protective ground wire (PE) or a ground wire with a series connection of ohmic resistors (R, R, R), which has a first terminal () for the neutral conductor (N′) and a second terminal () for the protective ground wire (PE) or ground wire, wherein the arrangement includes at least one means for detecting a break of one of the resistors (R, R, R) of the series connection.