Direct torque control inverter arrangement
US6094364A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Aug 5, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P21/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an inverter arrangement for simultaneous control of a stator flux and a torque of an electric machine (M). In the invention, the inverter of the inverter arrangement is controlled on the basis of a stator voltage reference (u.sub.sref) defined on the basis of the error variables (T.sub.err, .PSI..sub.err) of the torque and the stator flux; on the basis of the stator voltage reference, in turn, are defined reference values for the phase voltages (u.sub.aref, u.sub.bref, u.sub.cref) of the stator voltage. The phase voltages (u.sub.a, u.sub.b, u.sub.c) of the stator voltage supplied to the electric machine (M) are controlled by a feedback voltage controller (VAC) to correspond to the defined reference values (u.sub.aref, u.sub.bref, u.sub.cref) of the phase voltages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.