An example vehicle electrical power system includes a battery operable to power a DC load of a vehicle over a DC bus, a capacitor, a multiphase AC machine comprising a plurality of windings, and a power converter. The power converter includes a plurality of power switches and a controller. The controller is configured to, in a first mode, charge the battery by operating the power converter as an active rectifier; in a second mode, operate the power converter as a buck converter that decreases a voltage from the DC bus, and charge the capacitor from the decreased voltage; and in a third mode, operate the power converter as a boost converter for the capacitor that increases an output voltage of the DC bus, and provide the increased output voltage to the DC load. The power converter utilizes the windings when operated as the active rectifier, buck converter, and boost converter.
ELECTRIC SYSTEM ARCHITECTURE FOR RANGE EXTENDED ELECTRIC VEHICLES
2019-01-31
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
ELECTRIC SYSTEM ARCHITECTURE FOR RANGE EXTENDED ELECTRIC VEHICLES
European Patent Office | 2019
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