Motor and method of controlling the same
US12261553B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 30, 2022 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Jul 11, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P2207/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor includes a stator on which an armature coil is wound, a rotor disposed inside the stator, a superconducting field coil being wound thereon and, a controller configured to control the motor, in which the controller is configured to control an armature current supplied from an AC source to the armature coil and a field current supplied from a DC source to the field coil, and charge at least a certain ratio of the field coil before starting the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.