Analysis of Vibrations in Electrical Machines with an Optical Fiber Accelerometer

被引:0
|
作者
Linessio, Rafael Pomorski [1 ]
Sousa, Kleiton de Morais [1 ]
Cardozo da Silva, Jean Carlos [1 ]
da Costa Antunes, Paulo Fernando [2 ,3 ]
机构
[1] Univ Tecnol Fed Parana, Grad Program Elect & Comp Engn, Ave Sete Setembro 3165, BR-80230910 Curitiba, PR, Brazil
[2] Univ Aveiro, Inst Telecomunicaes Aveiro, P-3810193 Aveiro, Portugal
[3] Univ Aveiro, Dept Phys, P-3810193 Aveiro, Portugal
来源
2015 SBMO/IEEE MTT-S INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE (IMOC) | 2015年
关键词
Induction motors; Fiber Bragg gratings accelerometer; motor eccentricity; vibration measurement;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The vibration in induction motors is due to mechanical and electrical forces existing during the motor operation. The vibration monitoring can help to prevent wear in motors, to increase its efficiency and lowering maintenance costs. Through knowledge and accurate diagnostic procedures, it is possible to detect the cause of the vibration. This paper presents the vibration measurement analysis in the induction motor running at no-load condition using a biaxial optical fiber accelerometer. The sensor is positioned on the induction motor, and the acquired data compared with the one from a capacitive sensor. Changing the power supply frequency from 10 to 60 Hz a higher SNR was observed for both directions on the optical sensor data. The characteristics of the optical sensor, immunity to electromagnetic interference and high sensitivity, 87.848 pm.g(-1) and 92.351 pm.g(-1) for two directions and independent directions, favors its use for monitoring vibrations in electrical machines. The results indicate a relation between deterioration and mechanical vibration and, thus, providing the motivation for additional study and a basis for future applications.
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页数:5
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