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A NEW DIAGNOSTIC METHOD OF FAULTY TRANSISTOR IN A THREE-PHASE INVERTER

Journal Name:

  • Istanbul University Journal of Electrical & Electronics Engineering

Publication Year:

  • 2006

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
This paper describes a method of detection and identification of transistor base drive open-circuit fault of 3-phase voltage source inverter (VSI), feeding an open loop controlled induction motor. The detection mechanism is based on a novel technique of wavelet transform. In this method, the stator currents will be used as an input to the system. No direct access to the induction motor is required. The simulation results are presented.
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  • 1
117-128
  • English

REFERENCES

References: 

[1] J. R. Cameron, W. T. Thomson and A. D. Dow, Vibration and Current Monitoring for Detecting Airgap Eccentricity In Large Induction Motors”, I.E.E Proceeding, 133, B, 155 –163, 1986.
[2] C. Hargis, B. G. Gaydon and K. Kamash, “The Detection of Rotor Defects in Induction Motors”, Proceedings of International Conference on Electrical Machine-Design and Application, 213, 216-220, 1988.
[3] J. Penman, M. N. Dey, A. J. Tait and W. E. Bryan, “Condition Monitoring of Electrical Drives”, IEE Proceedings, 133, B, 65-69, 1986.
[4] Tahar Bahi, Mohamed Fezari, George Barakat and Nasr Eddine Debbache “Localization of Faulty Transistor in a Three-phase Inverter”, Asian Journal of Information Technology 4 (11): 1068-1073, 2005.
[5] Friedrich W. Fuchs “Some Diagnosis Methods for Voltage Source Inverters In Variable Speed Drives with Induction Machines A Survey” IECON 2003.
[6] I. B. Aris, L. Zhang and L. N. Hulley, “Fault Detection of an Inverter Circuit by Digital Signal Processing and Knowledge Based Approach”, Proceeding of Universities Power Engineering Conference, 489-491, 1994.

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