Method for determining the position of the rotor of an electrical machine
US9459122B2 · kind B2 · utility
0Cited by
4References
12Claims
0Family size
Inventor
Key dates
| Filing date | Jan 16, 2012 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Jun 9, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P2203/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for determining the position of the rotor of an electric machine having multiple phases in relation to the stator. The change Δİ in the time derivative İ of the current I flowing through at least one of the power inputs is determined. The change Δİ is caused by a change ΔU in the potential U on at least one of the power inputs of the electric machine. A measurement signal that is representative of a position of the rotor is determined from multiple simultaneously or successively determined changes Δİ.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.