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A method for the determination of the presence of short-circuited coils in the windings of transformers

  • Magnetic and Electrical Methods
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Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

One of the most characteristic defects in the manufacture of transformers during mass production is the presence of short-circuited coils (SCCs) in windings. The advantages of a method for the control of this defect via measurements of the Q-factor in relation to industrially used analogous control methods based on measurements of inductivity or losses in a transformer is shown on the basis of a mathematical model and analytical studies. An experimental apparatus for the empirical testing of the main theoretical concepts is developed.

The degree of change of inductivity and Q-factor values of a transformer depending on the properties of the magnetic-circuit material and the presence of a short circuit in transformer windings were determined.

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Authors and Affiliations

  1. Ufa State Aviation Technical University, Ufa, Russia

    F. R. Ismagilov, I. F. Yangirov & D. V. Maksudov

Authors
  1. F. R. Ismagilov
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  2. I. F. Yangirov
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  3. D. V. Maksudov
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Corresponding author

Correspondence to F. R. Ismagilov.

Additional information

Original Russian Text © F.R. Ismagilov, I.F. Yangirov, D.V. Maksudov, 2014, published in Defektoskopiya, 2014, Vol. 50, No. 10, pp. 33–40.

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Ismagilov, F.R., Yangirov, I.F. & Maksudov, D.V. A method for the determination of the presence of short-circuited coils in the windings of transformers. Russ J Nondestruct Test 50, 580–584 (2014). https://doi.org/10.1134/S1061830914100064

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  • DOI: https://doi.org/10.1134/S1061830914100064

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