Snubber circuit
US7319579B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2005 |
| Grant date | Jan 15, 2008 |
| Priority date | — |
| Expiry date | Mar 4, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H9/041
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A snubber circuit has a voltage detection circuit which detects that a voltage between first and second terminals exceeds a predetermined voltage, a protection circuit which performs control to prevent an overvoltage between the first and second terminals when the voltage detection circuit detects that the voltage between the first and second terminals exceeds the predetermined voltage, and a voltage control circuit which bypasses a portion of a main current flowing between the first and second terminals to the protection circuit when the voltage detection circuit detects that the voltage between the first and second terminals exceeds the predetermined voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.