Method for operating a converter circuit, and apparatus for carrying out the method
CA 2595308 C · Owner: Serpa, Leonardo · Inventors: Ponnaluri, Srinivas; Serpa, Leonardo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is specified for operating a converter circuit, with the converter circuit having a converter unit (1) with a plurality of drivable power semiconductor switches and an LCL filter (3) connected to each phase connection (2) of the converter unit (1) in which the drivable power semiconductor switches are driven by means of a drive signal (S) which is formed from a hysteresis power value (d P), from a hysteresis wattless-component value (d Q) and from a selected flux sector (.theta. n). The hysteresis power value (d P) is formed from a difference power value (P diff) by means of a first hysteresis regulator (16) and the difference power value (P diff) is formed from the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 24, 2005 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 24, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.