MOTOR CONTROL DEVICE FOR ELECTRIC VEHICLE
PROBLEM TO BE SOLVED: To provide a motor control device for electric vehicle achieving rapid temperature rising of a battery under a low temperature environment. SOLUTION: A harmonic generation control unit 25 inputs a battery temperature detected by a battery temperature sensor 23, and when the det...
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| creator | MASUDA REI |
| description | PROBLEM TO BE SOLVED: To provide a motor control device for electric vehicle achieving rapid temperature rising of a battery under a low temperature environment. SOLUTION: A harmonic generation control unit 25 inputs a battery temperature detected by a battery temperature sensor 23, and when the detected battery temperature is decided to be lower than a set temperature threshold, superposes a harmonic wave generated by a harmonic generation unit 24 on a torque command value Tr corresponding to a driving force required for a three-phase AC motor 2 input into a current command input unit 11 of a motor control unit 10 to control to superpose the harmonic wave on a battery current flowing from a battery 8 to an inverter 9. COPYRIGHT: (C)2011,JPO&INPIT |
| format | Patent |
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SOLUTION: A harmonic generation control unit 25 inputs a battery temperature detected by a battery temperature sensor 23, and when the detected battery temperature is decided to be lower than a set temperature threshold, superposes a harmonic wave generated by a harmonic generation unit 24 on a torque command value Tr corresponding to a driving force required for a three-phase AC motor 2 input into a current command input unit 11 of a motor control unit 10 to control to superpose the harmonic wave on a battery current flowing from a battery 8 to an inverter 9. 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SOLUTION: A harmonic generation control unit 25 inputs a battery temperature detected by a battery temperature sensor 23, and when the detected battery temperature is decided to be lower than a set temperature threshold, superposes a harmonic wave generated by a harmonic generation unit 24 on a torque command value Tr corresponding to a driving force required for a three-phase AC motor 2 input into a current command input unit 11 of a motor control unit 10 to control to superpose the harmonic wave on a battery current flowing from a battery 8 to an inverter 9. COPYRIGHT: (C)2011,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL |
| title | MOTOR CONTROL DEVICE FOR ELECTRIC VEHICLE |
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