Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11295912 | Arrangement, system, and method of interrupting current | Staffan Norrga | 2022-04-05 |
| 11289295 | Circuit breaker | Staffan Norrga, Antoine Baudoin | 2022-03-29 |
| 10903642 | Arrangement, system, and method of interrupting current | Staffan Norrga, Tomas Modeer | 2021-01-26 |
| 8643323 | Photovoltaic system | Panagiotis Bakas, Georgios Demetriades, Frans Dijkhuizen, Staffan Norrga, Konstantinos Papastergiou +2 more | 2014-02-04 |
| 8519679 | Static var compensator apparatus | Lars Paulsson, Ake Petersson, Bjorn Thordvaldsson | 2013-08-27 |
| 8400119 | Static var compensator apparatus | Lars Paulsson, Ake Petersson, Bjorn Thordvaldsson | 2013-03-19 |
| 8374810 | Method and apparatus for calculating insertion indices for a modular multilevel converter | — | 2013-02-12 |
| 8310095 | Power compensator and method for providing a black start with that compensator | Magnus Callavik, Willy Hermansson, Stefan Johansson, Gunnar Russberg, Jan R. Svensson | 2012-11-13 |
| 8154896 | STATCOM system for providing reactive and/or active power to a power network | — | 2012-04-10 |
| 8072192 | Auxiliary power supply with a coupling capacitor between a high voltage line and ground | — | 2011-12-06 |
| 7986132 | Static var compensator apparatus | Lars Paulsson, Ake Petersson, Bjorn Thordvaldsson | 2011-07-26 |
| 7936091 | Energy supply system and method related thereto | Per Halvarsson, Bengt Stridh, Torbjörn Ringvall | 2011-05-03 |
| 7839125 | Apparatus and method for optimization of power flow control between different paths of a high voltage network in dependence of a disturbance in the network | Bertil Berggren | 2010-11-23 |
| 7317301 | Auxiliary power supply | — | 2008-01-08 |
| 7245037 | Wind power fed network | Per Halvarsson, Lars Liljestrand, Stefan Valdemarsson, Claes Bengtsson, Willie Wong | 2007-07-17 |
| 6984962 | Device and a method for voltage control in an electric transmission network | Bjorn Thordvaldsson | 2006-01-10 |
| 6559561 | Method and a device for damping power oscillations in transmission lines | — | 2003-05-06 |
| 6404656 | Control equipment for thyristor-controlled series capacitor equipment, and a method for control thereof | Tomas Jonsson | 2002-06-11 |
| 6114841 | Method and device for compensation of reactive power | Jean-Philippe Hasler, Thomas Johansson | 2000-09-05 |
| 5801459 | Control equipment for a series capacitor connected into an electric power line | — | 1998-09-01 |
| 5583883 | Electric arc-furnace stabilization using voltage pulse injection | Lars Paulsson | 1996-12-10 |
| 5051684 | Three-phase voltage stiff convertor | — | 1991-09-24 |
| 4431956 | Drive equipment | — | 1984-02-14 |
| 4386396 | Self-commutated inverter | — | 1983-05-31 |
| 4318167 | Electrical inverter with controllable output voltage | — | 1982-03-02 |