Fault diagnosis method for induction motor of electric automobile based on broad learning
A technology for induction motors and electric vehicles, applied in motor generator testing, computer parts, instruments, etc., can solve the problems that the diagnosis system model cannot be modified, the application is limited, and the motor fault diagnosis system remains unchanged.
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[0101] In the implementation, the motor and electrical technology test bench TCDJ 03A is used as the experimental platform. The platform provides three-phase AC voltage to the three-phase induction motor and DC voltage to the generator. The workbench can simultaneously measure motor voltage, motor current and motor speed. Three-phase asynchronous motor star connection. Connect the generator fixed on the guide rail with the three-phase asynchronous motor. The generator is set to load. The load force can be adjusted by the load resistance. The oscilloscope GDS-2202A is used to measure the three-phase induction motor current and store the current into digital memory. Use a computer (Samsung R429) to connect with a microphone (Lenovo P121) to obtain audio data. The microphone is clipped to get sound waves. According to the measurement method proposed by GB3806-81, the distance between the measurement point and the reflecti...
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