Patent · US Active

Vehicle having an electric machine and two onboard power subsystems

US9908430B2 · kind B2 · utility

3Cited by

9References

16Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Matthias GORKA · Munich, DE
Joerg Reuss
Daniel Findeisen · Erding, DE
Michael L. Steinberger · Chippewa Falls, US

Key dates

Filing date	Jul 16, 2015
Grant date	Mar 6, 2018
Priority date	—
Expiry date	Jul 16, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A vehicle with an N-phase electric motor, with a first onboard electrical subsystem and with a second onboard electrical subsystem, wherein the electric motor includes a rotor and a stator system, and the first onboard electrical subsystem includes an inverter. The stator system is associated with the inverter and the electric motor is operable with an inverter controller according to the principle of field-oriented control such that the stator system is embodied in a star circuit in which the star point can be connected to the second onboard electrical subsystem directly or via a star point switch. The inverter controller includes a current controller and a star point controller, wherein the current controller controls phase currents of the stator system and the star point controller controls a star point current.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.