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Vol. 170, Issue 5, May 2014, pp. 19-23




Study on the Temperature Measurement of High-Power Permanent Magnet Synchronous Motor
Based on Fiber Optic Sensor

1, 2 Shaofei Wu

1 Hubei Province Key Laboratory of Intelligent Robot, Wuhan Institute of Technology
2 School of Computer Science and Engineering, Wuhan Institute of Technology, Wuhan, China

E-mail: wushaofei@wit.edu.cn


Received: 5 January 2014 /Accepted: 7 March 2014 /Published: 31 May 2014

Digital Sensors and Sensor Sysstems


Abstract: In order to ensure high-power PMSM normal operation and monitor its fault online, its stator and rotor temperature is need to in real time high accuracy measurement. The temperature measurement principle of fiber optic sensor has been briefly introduced. The high- power PMSM rotor’s temperature measurement adopted semiconductor absorption optical fiber sensor, and its stator temperature measurement adopted optical fiber grating temperature sensor. The temperature measurement systems were designed respectively. The characteristics of the two temperature measurement systems are summarized. When they were applied to actual industrial field, the problems that needed to resolve were pointed.


Keywords: Fiber optic sensor, Temperature measurement, High-power synchronous motor, Stator, Rotor.


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