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:
Apr. 20, 1976
Filed:
Dec. 04, 1974
Karl Werner Kanngiesser, Viernheim, DT;
Brown, Boveri & Cie AG, Mannheim, DT;
Abstract
A double-pole high-voltage direct-current transmission system is provided with two stations and an overhead line or cable, each of the stations having rectifier bridges connected in series from a positive line pole to a ground electrode and from the ground electrode to a negative line pole. The ground or earth serves as return line if one of the line poles should fail. The ground electrode at one of the stations is a depth electrode regularly operated as an anode, and the ground electrode at the other of the stations is regularly operated as a cathode. Two pairs of reversing switches are provided, each of the pairs, when the other of the stations is operated as a rectifier, being connected on the direct-current side of and to the respective rectifier bridges located between the negatively operated line pole and the depth electrode, on the one hand, and between the negatively operated line pole and the ground electrode operated as a cathode, on the other hand.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile