Method for determining the speed of a synchronous machine, circuit configuration for actuating a synchronous machine, and use of such a configuration
US9209726B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2011 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Jun 2, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P21/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a method wherein the speed of the rotor of an electronically commutated synchronous machine is determined or controlled by means of one or more rotor position sensors, in particular, three rotor position sensors that are fixed to the stator, and a time measuring device, wherein the angle traveled by the rotor and the time lapsed during the travel are measured, wherein the measured angle traveled by the rotor is corrected by means of one or more first correction constants, in particular a differential for correcting for the influence of non-uniform positioning or expansion of the position marking of the rotor, and a circuit configuration for actuating an electronically commutated synchronous machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.