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:
Aug. 23, 2016
Filed:
Jan. 04, 2011
Peter Luerkens, Aachen, DE;
Peter Luerkens, Aachen, DE;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
The invention relates to an AC/DC converter circuit () and a method for converting N≧2 AC supply voltages (U, U, U) into DC voltage. This is achieved by feeding the AC supply voltages to first terminals (a, a, a) of full bridge converters (), wherein the second terminals (b, b, b) of these rectifiers are coupled to each other. The outputs (d, d', d, d′, d, d′) of the rectifiers are fed to the DC terminals of intermediate converters (). The AC terminals (e, e′, e, e′, e, e′) of the intermediate converters are connected to the primary sides of transformers (), wherein the secondary sides of these transformers are provided to further rectifiers (). The circuit design allows using MosFETs of limited voltage capability for processing 380 V three-phase AC current, thus achieving a high efficiency.