Electronic control arrangement which can be used in particular for driving a brushless and slip-ringless motor and an installation incorporating such an arrangement
US4129808A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1977 |
| Grant date | Dec 12, 1978 |
| Priority date | — |
| Expiry date | Jun 10, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P27/047
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic control arrangement which can be used in particular for driving brushless and slip-ringless electric motors and an installation incorporating such an arrangement. The speed of the motor is controlled as a function of one of more items of information such as temperatures for example. For this purpose, a DC control voltage proportional to the items of information received is produced. By combining a mixing arrangement, a processing block, a function generator and a power-amplifier stage it becomes possible to obtain from the output of the arrangement, from a source of DC electrical energy, two sinusoidal voltages of the same amplitude and frequency which are 90.degree. out of phase with one another and whose frequency and amplitude are proportional to the DC control voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.