AC drive apparatus, vehicle control apparatus, and power conversion method and vehicle control method
US7315144B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 16, 2006 |
| Grant date | Jan 1, 2008 |
| Priority date | — |
| Expiry date | Feb 16, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/7072
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A motor is driven with variable frequency AC power converted from DC power, and an AC output power from the motor is converted to DC. In the conversion, an electromotive force regenerated by the motor is consumed by a plurality of resistors. When the consumption of the electromotive force is impeded in any of systems including any of the plurality of resistors, the electromotive force is consumed by the systems including the remaining resistors. Even if a system including any of the plurality of resistors fails, the electromotive force can by consumed by the other systems including the remaining resistors, thus providing a reliable rheostatic brake.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.