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. 16, 2008
Filed:
Mar. 29, 2005
Applicant:
Alain Lacaze, Essert, FR;
Inventor:
Alain Lacaze, Essert, FR;
Assignee:
Alstom Technology Ltd, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for operating a matrix converter in which m phases of a generator generating alternating voltage with n phases of a load are alternatingly connected via a multiple number of controllable bi-directional switches arranged in an (m×n) matrix. An improvement of the spectrum of the generated alternating voltage, i.e. of the alternating voltage with n phases is achieved by means of voltages which are added on-line to the converter output or input.