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. 03, 2007
Filed:
Aug. 31, 2004
Applicants:
Roland Siljeström, Grängesberg, SE;
Lars Döfnäs, Ludvika, SE;
Ying Jiang-häfner, Ludvika, SE;
Inventors:
Assignee:
ABB Technology Ltd., Zürich, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for controlling a voltage source converter with at least two bridges of semiconducting self commutating elements connected in anti-parallel with a diode, including circuitry for producing a switching control pulse train to form a fundamental frequency, circuitry for effecting a switching order and circuitry for detecting a switching event.