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. 28, 2015
Filed:
Feb. 02, 2010
Gunnar Flisberg, Ludvika, SE;
Dong Wu, Ludvika, SE;
Per-olof Hedblad, Ludvika, SE;
ABB TECHNOLOGY AG, Zurich, CH;
Abstract
A substation has a converter comprising a first set (S) of series connected converter valve elements provided between a first (V) and a second (V) potential, where the absolute value of the second potential is higher than the absolute value of the first potential, and a second set (S) of converter valve elements, comprising at least one converter valve element, provided between the second and a third potential (V), where the absolute value of the third potential is higher than the absolute value of the second potential and all converter valve elements of the second set are placed inside one or more casings () placed on elongated post-like insulation (), where the potential of the end of the post-like insulation on which the casings are placed is in a range between the second and the third potential, while the other end of the post like insulation is at ground potential.