Method and regulator for electrical reluctance machines
US6339307B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2000 |
| Grant date | Jan 15, 2002 |
| Priority date | — |
| Expiry date | Feb 17, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P25/089
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a process for estimating an instantaneous resistance in a phase winding in a reluctance machine. The process comprises the steps of: receiving a signal (Udm) indicating a voltage (UW) across at least one phase winding; receiving a signal (iWm) indicating a current (iW) through the phase winding; estimating a magnetic flux in response to the voltage signal and the current signal; estimating an instantaneous resistance (RW) in the phase winging in accordance with a phase relation between the current signal (iWm) and the magnetic flux signal (&PSgr;est). The invention also relates to a method for controlling an electrical machine and a drive system for performing the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.