When a short-circuit fault occurs in an inverter (14), the limp-home operation using a motor generator (MG2) is performed. During the limp-home operation, an MGECU (300) turns on all of switching elements connected in parallel to a short-circuited switching element in a power supply line, when the rotation speed of a motor generator (MG1) calculated from a value detected by a position sensor (22) exceeds a prescribed reference rotation speed. The MGECU (300) turns on only a switching element connected in series to the short-circuited switching element, when the rotation speed is less than or equal to the reference rotation speed. As a result, the generation of an overcurrent in the inverter (14) can be prevented without restricting the limp-home operation.
MOTOR DRIVE APPARATUS, HYBRID DRIVE APPARATUS AND METHOD FOR CONTROLLING MOTOR DRIVE APPARATUS
MOTORANTRIEBSVORRICHTUNG, HYBRIDANTRIEBSVORRICHTUNG UND VERFAHREN ZUR STEUERUNG DER MOTORANTRIEBSVORRICHTUNG
APPAREIL D'ENTRAÎNEMENT DE MOTEUR, APPAREIL D'ENTRAÎNEMENT HYBRIDE ET PROCÉDÉ DE COMMANDE D'APPAREIL D'ENTRAÎNEMENT DE MOTEUR
2019-10-09
Patent
Elektronische Ressource
Englisch
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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