Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701239 | High-voltage direct current transmission installation having a high voltage regulation capability | Tomas Jonsson, Lars-Erik Juhlin | 1997-12-23 |
| 5694306 | Method and device for control of a series-compensated converter station | Tomas Jonsson | 1997-12-02 |
| 5666277 | Series-compensated converter station | Tommy Holmgren, Tomas Jonsson, Urban strom | 1997-09-09 |
| 5657213 | Method and device for control of a series-compensated converter station | Tomas Jonsson | 1997-08-12 |
| 5627735 | Method and device for compensation of unbalance in a series compensated converter station | Tomas Jonsson, Lars-Erik Juhlin | 1997-05-06 |
| 5621626 | Method and device for control of an installation for transmission of high-voltage direct current | Tomas Jonsson, Lars-Erik Juhlin | 1997-04-15 |
| 5592369 | Device in a d.c. circuit for transfer of a current from one current path to another and for control of the voltage in the circuit | — | 1997-01-07 |