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:
Dec. 11, 2012
Filed:
Dec. 15, 2010
Georgios Demetriades, Västerås, SE;
Falah Hosini, Vasteras, SE;
Bertil Nygren, Vasteras, SE;
Jan R. Svensson, Vasteras, SE;
Georgios Demetriades, Västerås, SE;
Falah Hosini, Vasteras, SE;
Bertil Nygren, Vasteras, SE;
Jan R. Svensson, Vasteras, SE;
ABB Research Ltd., , CH;
Abstract
A power apparatus for a high voltage electrical power system, that includes a voltage source converter and a high voltage dc power source including one or more strings having a plurality of dc power source members connected in series, and switches configured to connect and disconnect the strings, where the switches are solid-state switches, each string is subdivided into a plurality of dc power source units each dc power source unit including a plurality of dc power source members connected in series and each dc power source unit is provided with one of the solid-state switches configured to connect and disconnect the dc power source unit, and that all solid-state switches in the string are arranged so that they are turned on and off simultaneously.