DRIVING DEVICE AND MOTOR-DRIVEN VEHICLE EQUIPPED WITH DRIVING DEVICE

PROBLEM TO BE SOLVED: To provide a more reliable driving device wherein even when a trouble occurs in an inverter, breakage of the inverter due to rise in the induced voltage of a motor is prevented. SOLUTION: The driving device includes: an inverter 6 that converts power generated by a generator 1;...

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Bibliographische Detailangaben
1. Verfasser:	ISHIKAWA YASUTAKE
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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 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 provide a more reliable driving device wherein even when a trouble occurs in an inverter, breakage of the inverter due to rise in the induced voltage of a motor is prevented. SOLUTION: The driving device includes: an inverter 6 that converts power generated by a generator 1; a motor 7 that is supplied with the converted power and is rotated; a voltage sensor 3 and a direct-current link voltage detection circuit 10 that detect stop of the inverter 6; and a motor controller 12 that, when stop of the inverter 6 is detected, reduces the strength of a motor magnetic field for rotating the motor 7. COPYRIGHT: (C)2008,JPO&INPIT