Motion control system having an auxiliary power supply
US6118677A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 29, 1999 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Nov 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motion control system includes an inverter adapted to receive electrical power at a first DC voltage level and selectively provides power to a motor. A first DC--DC converter receives electrical power at the first DC voltage level and provides electrical power at a second DC voltage level. A second DC--DC converter receives electrical power at the second DC voltage level and provides electrical power at a third DC voltage level. A controller receives electrical power at the third DC voltage level and provides control signals to the inverter. A switching circuit is connectable to a second source of power and provides electrical power to the second DC--DC converter when the second DC voltage is less than a selected threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.