Motor controller with integrated safety function to eliminate requirement for external contactor
US8602140B2 · kind B2 · utility
3Cited by
12References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2012 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P21/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Circuits, systems, and methods are disclosed to eliminate the requirement for an external electromechanical contactor. Integrating contactor circuits with a motor controller reduces cost. Additionally, the cost of the contactor circuit may be reduced by providing transistors designed to block current in only one direction in the event of an electrical fault corresponding to an electrical drive direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.