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:
Nov. 17, 2015
Filed:
Mar. 30, 2011
Axel Mertens, Wedemark, DE;
Lennart Baruschka, Wedemark, DE;
Axel Mertens, Wedemark, DE;
Lennart Baruschka, Wedemark, DE;
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Abstract
A transformerless cycloconverter for connecting a first three-conductor system to a second three-conductor system by bridge modules with electronic semiconductor switches has precisely six bridge modules or series circuits thereof with a first bridge module or series circuit connected to the first conductors of the first and second systems, a second bridge module or series circuit connected to the second and first conductors of the first and second systems, a third bridge module or series circuit connected to the second conductors of the first and second systems, a fourth bridge module or series circuit connected to the third and second conductors of the first and second systems, a fifth bridge module or series circuit connected to the third conductors of the first and second systems, and a sixth bridge module or series circuit connected to the first and third conductors of the first and second systems.