Motor vehicle having an externally excited synchronous machine
US12424963B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2023 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Nov 16, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P27/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor vehicle, having an externally excited synchronous machine and an inverter associated with the synchronous machine and connected to a high-voltage network and an exciter circuit associated with the synchronous machine to energize an exciter winding of the synchronous machine, comprising a power electronics layout having at least one intermediate circuit capacitor at the high-voltage network side, wherein the motor vehicle comprises a cooling device for cooling the power electronics layout and a voltage surge protection circuit is associated with the intermediate circuit capacitor, comprising at least one varistor, which becomes electrically conducting by the voltage imposed on it when a voltage threshold value is exceeded, wherein at least the one varistor of the voltage surge protection circuit forms part of an exciter module comprising the exciter circuit and a housing, which is thermally coupled to a cooling element of the cooling device for cooling the exciter module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.