Power conversion apparatus having a three-level converter that converts AC voltage to DC voltage having three levels
US9154049B2 · kind B2 · utility
0Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | May 10, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/5152
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
When switching control signals of self-excited semiconductor devices from OFF-control to ON-control, a control circuit controls the self-excited semiconductor device to be ON after a lapse of a turn-ON time from when a control voltage is applied to the self-excited semiconductor device. When switching the control signals of the self-excited semiconductor devices from ON-control to OFF-control, the control circuit controls the control signal of the self-excited semiconductor device to be OFF after a lapse of a turn-OFF time from when the control voltage is applied to the self-excited semiconductor device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.