Low cost current sensor for fast-switching inverter applications
US5367240A · kind A · utility
6Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1992 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Dec 11, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/5395
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The DC link current from one leg of a DC link of an inverter is provided to a primary winding of an AC current transformer, and a voltage across the secondary winding of the current transformer is integrated for providing an envelope indicative of the DC link current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.