Rotor temperature has become an important indicator for motor design and health monitoring with the development of high-speed motors.The strong electromagnetic working environment of the motor,the narrow air gap,and the large rotational centrifugal force are the challenges of rotor temperature sensing.This paper aims at the monitoring method of motor rotor tempera-ture,including resistance method,infrared temperature measurement method,temperature measurement method by electronic sen-sors,semiconductor temperature sensitive element method and fiber grating temperature measurement method This paper de-scribed the principle and characteristics of various methods.The current state of research in the field of online rotor temperature monitoring and the main results achieved were presented.The application and research progress of fiber Bragg grating was focused on,the applicability and the main problems of each method were analyzed and summarized.The future technical paths and devel-opment directions were predicted.
关键词
电机转子温度监测/无线测温法/红外测温法/光纤布拉格光栅测温法
Key words
motor rotor temperature monitoring/wireless temperature measurement method/infrared temperature measurement method/fiber Bragg grating temperature measurement method
维普
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