Electric-power conversion apparatus
US12368392B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2023 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Feb 6, 2044 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60L2210/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric-power conversion apparatus includes a driving circuit that performs switching control of semiconductor switching devices, a short-circuit control means that performs short-circuit control of an electric-power conversion circuit, an excessive-current detection means that detects whether or not an abnormality caused by an excessive current exists in the semiconductor switching device, and a gate-drive-abnormality detection means that detects whether or not an abnormality exists in a gate voltage of the semiconductor switching device; based on a result of the abnormality detection by the excessive-current detection means and a result of the abnormality detection by the gate-drive-abnormality detection means, the short-circuit control means turns on all the semiconductor switching devices in any one of the upper arm and the lower arm so as to perform the short-circuit control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.