Control transformer
US9275788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Mar 12, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P13/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a control transformer that is designed as a phase-shifting transformer, wherein semiconductor switching components are provided for each phase at a regulating winding with several partial windings. According to the invention, an additional connecting line with an additional electronic switching component is provided in each phase wherein each of these connecting lines connects a module of the respective phase with the end of the main winding of the adjacent phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.