Inverter and a method for controlling an electric machine
US8432118B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2011 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Nov 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P29/60
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inverter comprises output switches for generating motor phase currents for application to an electrical motor based on a commanded torque. A current sensor is arranged for detecting motor phase currents applied to the electrical motor by an inverter. A voltage sensor is configured for measuring voltages applied to the electrical motor by the inverter. An output port is capable of outputting output signals of the detected motor phase currents and measured voltages for processing by a vehicle controller. The output signals are suitable for input to a vehicle controller for determining whether or not to generate an override control signal. An input port is configured for receiving the override control signal from the vehicle controller. The input port is coupled to an override input module for switching off a supply of electrical energy to the electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.