Switching apparatus and switching method
US11581890B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Nov 25, 2021 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Nov 25, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Provided is a switching apparatus, including: a first semiconductor switching device of IGBT, and a second semiconductor switching device of a different type from IGBT, which are electrically connected in parallel; and a control unit configured to turn on the second semiconductor switching device before the first semiconductor switching device, wherein a maximum rated current of the second semiconductor switching device is greater than a maximum rated current of the first semiconductor switching device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.