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:
Oct. 25, 2011
Filed:
Sep. 19, 2005
Gunnar Asplund, Ludvika, SE;
Gunnar Flisberg, Ludvika, SE;
Lars Weimers, Ludvika, SE;
Jan Lundquist, Ludvika, SE;
Urban Åström, Saxdalen, SE;
Dan Karlsson, Sundsvall, SE;
Gunnar Asplund, Ludvika, SE;
Gunnar Flisberg, Ludvika, SE;
Lars Weimers, Ludvika, SE;
Jan Lundquist, Ludvika, SE;
Urban Åström, Saxdalen, SE;
Dan Karlsson, Sundsvall, SE;
ABB Technology Ltd., Zürich, CH;
Abstract
A land electrode for a high voltage direct current transmission system including a converter station with a grounding point. The land electrode is connected to the grounding point and includes a plurality of electrode sections. A line electrode includes a part interconnecting two electrode sections. The part of the line electrode exhibits a line resistance. Each electrode section includes at least one electrode element.