A vehicle includes a traction motor having resonance frequency zones, an inverter including switches arranged to drive the traction motor, and a controller. The controller operates the switches only within specified sets of carrier frequencies such that noise side hands corresponding to the carrier frequencies fall outside the resonance frequency zones.
MOTOR OPERATING REGION BASED RANDOM PULSE WIDTH MODULATION
2019-12-05
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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