Power conversion system and control method for vehicle motor
US11411524B2 · kind B2 · utility
1Cited by
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17Claims
0Family size
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Key dates
| Filing date | Dec 15, 2020 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Dec 15, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/003
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power conversion system includes an inverter having a three-phase circuit including a plurality of power semiconductor devices and configured to supply driving power to a motor according to an applied torque command, and a controller configured to predict a maximum temperature of the inverter based on an actual measured temperature of any one of the plurality of power semiconductor devices and phase current of the motor, and to actively limit the torque command depending on the predicted maximum temperature of the inverter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.