A system 20 for a grid-enabled vehicle that integrates vehicle traction comprises a bi-directional DC energy source 22, an electric machine 28 including a rotor, a stator, a first winding 36 and a second winding 38. The stator carries the first winding. The system further comprises a first bidirectional converter 24 connected to the first winding and including an input port 30 configured to be coupled to the grid, and a second bidirectional converter 26 through which the second winding is connected to the bi-directional DC energy source. A method of controlling the system comprises coupling the first bidirectional converter to the grid, and operating the first bidirectional converter according to a field-oriented current space vector method so as to convert grid-supplied electrical energy into an alternating voltage waveform. Said operation comprises periodically switching a current vector in a d-q reference frame between diametrically opposed first and second vector points, the current vector being disposed at an angle relative to the d-axis to define a d-axis component value and a q-axis component value. The bi-directional DC energy source is charged using an induced alternating voltage waveform in the second winding arising through magnetic coupling between the first and second windings.
Control method for integrated electric drive and charger apparatus for a grid enabled vehicle
2016-04-20
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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