Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11018609 | Control of a wind turbine by changing rotation rate parameters | — | 2021-05-25 |
| 10879783 | Wind turbine having low-harmonic converter system, and method for operation | — | 2020-12-29 |
| 10637248 | Systems and methods for wind turbine circuit breaking | — | 2020-04-28 |
| 10389137 | Wind turbine having an expanded voltage range | — | 2019-08-20 |
| 9787174 | Chopper-boosted converter for wind turbines | Malte Mohr | 2017-10-10 |
| 9515594 | Wind turbine having improved overvoltage protection | Steffen Pingel | 2016-12-06 |
| 9416772 | Motor load reduction in a wind power plant | Jens Altemark, Eckart Hopp, Thomas Krüger | 2016-08-16 |
| 9397599 | Wind farm harmonic predictor and method for predicting harmonics | — | 2016-07-19 |
| 9121882 | Wind energy plant testing device | — | 2015-09-01 |
| 8934270 | Control circuit and method for converters of wind turbines | — | 2015-01-13 |
| 8749082 | Monitoring device for pitch systems of wind energy systems | Matthias Peters | 2014-06-10 |
| 8710689 | Wind energy system having a connection protection device | — | 2014-04-29 |
| 8692419 | Method for operating a wind power plant with excess voltage in the grid | Jens Fortmann | 2014-04-08 |
| 8405237 | Energy supply for a blade adjustment device pertaining to a wind energy installation | Karsten Warfen | 2013-03-26 |
| 8400003 | Wind energy installation having a double-energized asynchronous generator and converter control | Jens Fortmann | 2013-03-19 |
| 8390138 | Wind energy installation with negative sequence system regulation and operating method | Jens Fortmann | 2013-03-05 |
| 8378514 | Phase-angle offsettng converter to minimize damaging effects of sudden phase changes due to network disturbance | Jens Fortmann | 2013-02-19 |
| 8373291 | Wind park with voltage regulation of the wind energy systems and operating method | Jorg Zeumer, Jens Fortmann | 2013-02-12 |
| 8368239 | Drive circuit and method for inverters of wind energy installations | — | 2013-02-05 |
| 8344532 | Rotor blade adjustment device for a wind turbine | — | 2013-01-01 |
| 8189353 | Method for the operation and use of a converter | — | 2012-05-29 |
| 8106525 | Wind energy installation with an autonomous energy supply for a blade adjustment device | — | 2012-01-31 |
| 8084875 | Wind energy installation with an extended rotation speed range | — | 2011-12-27 |
| 7741728 | Wind power plant comprising a reactive power module for supporting a power supply system and corresponding method | Jens Fortmann | 2010-06-22 |
| 7606638 | Wind park with robust reactive power adjustment system and method for the operation thereof | Jens Fortmann | 2009-10-20 |