Journal of Electrical Engineering and Technology

  • 제6권5호
  • /
  • Pages.666-670
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  • 2011
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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A Method for Indentifying Broken Rotor Bar and Stator Winding Fault in a Low-voltage Squirrel-cage Induction Motor Using Radial Flux Sensor

  • Youn, Young-Woo (Industry Applications Research Division, Korea Electrotechnology Research Institute (KERI)) ;
  • Hwang, Don-Ha (Industry Applications Research Division, Korea Electrotechnology Research Institute (KERI)) ;
  • Sun, Jong-Ho (Industry Applications Research Division, Korea Electrotechnology Research Institute (KERI)) ;
  • Kang, Dong-Sik (Industry Applications Research Division, Korea Electrotechnology Research Institute (KERI))
  • 투고 : 2010.10.21
  • 심사 : 2011.07.15
  • 발행 : 2011.09.01
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초록

In this paper, a method for detecting broken rotor bar and stator winding fault in a low voltage squirrel-case induction motor using an air-gap flux variation analysis is proposed to develop a simple and low cost diagnosis technique. To measure the leakage flux in radial direction, a radial flux sensor is designed as a search coil and installed between stator slots. The proposed method is able to identify two kinds of motor faults by calculating load condition of motors and monitoring abnormal signals those are related with motor faults. Experimental results obtained on 7.5kW three-phase squirrel-cage induction motors are discussed to verify the performance of the proposed method.

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참고문헌

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  7. Gimenex R.G, Asher G.M, Sumner M, and Bradley K.J, "Performance of FFT-rotor slot harmonic speed detector for sensorless induction motor drives," in Proceedings of Electric Power Applications, vol.143, no.3, pp.258-268, May. 1996. https://doi.org/10.1049/ip-epa:19960241

피인용 문헌

  1. Fast Fourier and discrete wavelet transforms applied to sensorless vector control induction motor for rotor bar faults diagnosis vol.53, pp.5, 2014, https://doi.org/10.1016/j.isatra.2014.06.003