Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8487461 | Method for operating a wind energy installation | Stephan Engelhardt | 2013-07-16 |
| 8415818 | Method of and apparatus for compensation of oscillation effects in the event of mains asymmetry in a double-fed asynchronous machine | Stephan Engelhardt, Holger Wrede | 2013-04-09 |
| 8400004 | Method for operating a wind turbine | Stephan Engelhardt | 2013-03-19 |
| 8242753 | Current limitation for a double-fed asynchronous machine | Stephan Engelhardt | 2012-08-14 |
| 7423406 | Power control of an induction machine | — | 2008-09-09 |