Energizing and measuring the temperature of stator windings in an at least motor-driven electric polyphase machine
US10254174B2 · kind B2 · utility
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Key dates
| Filing date | Dec 11, 2014 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Jun 25, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K2217/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for energizing the stator windings of a rotating field machine operable in motor mode, the stator windings respectively being impinged upon with phase currents that are predefined using a vector-based method. The phase currents are impinged upon at least in part with bias currents that are determined by the vector-based method in such a way that they exhibit no torque effectiveness in the rotating field machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.