Indirect rotor position sensor for a sinusoidal synchronous reluctance machine
US5448149A · kind A · utility
33Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1994 |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | Jun 20, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P25/089
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A discrete position sensor elimination technique for a sinusoidally wound synchronous reluctance motor drive uses induced voltage, phase currents, and excitation frequency to estimate rotor position at all speeds, including zero speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.