Three-phase/two-phase rotary transformer including a scott connection
US9424987B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 14, 2013 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Aug 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F30/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A three-phase/two-phase rotary transformer, includes a first single-phase rotary transformer and a second single-phase rotary transformer, the first transformer including a first body defining a first slot, a first coil in the first slot, a second body defining a second slot, and a second coil in the second slot, the second transformer including a third body defining a third slot, a third coil in the third slot, a fourth body defining a fourth slot, and a fourth coil in the fourth slot, wherein one terminal of the first coil is connected to the midpoint of the third coil, the first body, the first coil, the third body, and the third coil forming a three-phase portion of the transformer, the second body, the second coil, the fourth body, and said fourth coil forming a two-phase portion of the transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.