VEHICLE MOTOR DRIVE CONTROLLER

PROBLEM TO BE SOLVED: To reduce a current flowing to a capacitor and a size of the capacitor by suppressing heat generation in a vehicle motor drive controller. SOLUTION: The vehicle motor drive controller is provided with a voltage boosting converter (4), first and second inverters (INV1, INV2, 7a,...

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Bibliographische Detailangaben
1. Verfasser:	TAKANAMI WATARU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce a current flowing to a capacitor and a size of the capacitor by suppressing heat generation in a vehicle motor drive controller. SOLUTION: The vehicle motor drive controller is provided with a voltage boosting converter (4), first and second inverters (INV1, INV2, 7a, 7b), first and second motor-generators (MG1, MG2, 9a, 9b), and a carrier control means (20) for controlling a carrier frequency of the voltage boosting converter so as to be twice as high as a carrier frequency of the first and second inverters, and also controlling a phase difference between a carrier of the voltage boosting converter and a carrier of the first and second inverters based on torque instructions and rotation speeds of the first and second motor-generators and a switching duty of the voltage boosting converter. COPYRIGHT: (C)2006,JPO&NCIPI