Power converters with rate of change monitoring for fault prediction and/or detection
US7719812B2 · kind B2 · utility
6Cited by
21References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2007 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Mar 14, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power converter includes a controller having at least one input for monitoring a rate of change of an operating parameter of the power converter. The controller is configured for comparing the monitored rate of change of the operating parameter with an allowable rate of change for the operating parameter, and for generating a fault signal when the monitored rate of change of the operating parameter deviates from the allowable rate of change for the operating parameter. The operating parameter for which the rate of change is monitored may be, for example, a temperature, a current and/or a voltage in the power converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.