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:
Feb. 09, 1999
Filed:
Oct. 02, 1997
Applicant:
Inventors:
Ingemar Blidberg, Ludvika, SE;
Olle Ekwall, Ludvika, SE;
Assignee:
Asea Brown Boveri AB, Vaster.ang.s, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ; H02M / ; H02M / ;
U.S. Cl.
CPC ...
363132 ; 363141 ; 363144 ;
Abstract
A VSC converter has each current valve of a phase leg formed by a plurality of units of semiconductor elements and rectifying members, located on top of each other forming at least one stack. The phase leg is constructed according to the flat cable principle with the phase leg formed by such stacks arranged side by side in pairs at small distances (d) running back and forth. A cooling plate of electrically conducting material is arranged between each unit in the stacks.