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. 25, 2001
Filed:
Sep. 19, 2000
Applicant:
Inventors:
Claes Hillberg, Möhlin, CH;
Gerhard Linhofer, Baden-Dättwil, CH;
Assignee:
ABB (Schweiz) AG, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
H02M 5/45 ; H02M 5/458 ; G05F 1/70 ;
U.S. Cl.
CPC ...
H02M 5/45 ; H02M 5/458 ; G05F 1/70 ;
Abstract
The method according to the invention is for compensation currents to be produced which have arbitrary phases and/or arbitrary amplitudes. To this end, a compensation unit (,) is proposed which is connected to the polyphase system via a transformer unit (,). The compensation unit (,) in this case comprises at least a switching unit (,) and an energy storage unit (,), which is connected to the transformer unit (,) via the switching unit (,).