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A High-Frequency Isolation Transformer for Auxiliary Converters of Locomotives with Autonomous Power Plants

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Abstract

A power-isolation transformer for high-frequency operation has been developed for auxiliary converters of locomotives with autonomous power plants, that is, diesel locomotives and gas-turbine locomotives. The design features of the transformer are considered, taking into account the required weight and dimensions. The results of thermal calculations for various operating inductions are presented, taking into account the selected material and type of magnetic circuit. The features of providing the required insulation resistance between the transformer windings and the windings and the housing are described. The results of testing the transformer as part of a PSN350 auxiliary converter at a full load of 350 kW are presented. The test results show the operability of the transformer.

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REFERENCES

  1. Starodubtsev, Yu.N. and Belozerov, V.Ya., Magnitnye svoistva amorfnykh i nanokristallicheskikh splavov (Magnetic Properties of Amorphous and Nanocrystalline Alloys), Yekaterinburg: Ural. Univ., 2002.

  2. Tikhomirov, P.M., Raschet transformatorov (Calculation of Transformers), Moscow: Energoatomizdat, 1986.

  3. Bal’yan, R.Kh., Transformatory maloi moshchnosti (Low-Power Transformers), Leningrad: Sudpromgiz, 1961.

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ACKNOWLEDGMENTS

We thank JSC Research and Design Technological Institute of Rolling Stock for the test results.

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Authors and Affiliations

  1. PJSC Elektrovypryamitel’, 430001, Saransk, Russia

    I. A. Pyanzina

  2. Ogarev Mordova State University, 430005, Saransk, Russia

    D. V. Pyanzin

Authors
  1. I. A. Pyanzina
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  2. D. V. Pyanzin
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Corresponding author

Correspondence to I. A. Pyanzina.

Additional information

Translated by S. Kuznetsov

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Pyanzina, I.A., Pyanzin, D.V. A High-Frequency Isolation Transformer for Auxiliary Converters of Locomotives with Autonomous Power Plants. Russ. Electr. Engin. 93, 110–115 (2022). https://doi.org/10.3103/S1068371222020134

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  • DOI: https://doi.org/10.3103/S1068371222020134

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