FUNCTIONAL DIAGNOSTICS OF TRACTION TRANSFORMER OF AC ELECTRIC LOCOMOTIVE USING SPECTRAL ANALYSIS METHOD

M.S. Yakubov

Tashkent State Transport University

M.A. Sagatova

Tashkent State Transport University

M.N. Tuychieva

Tashkent State Transport University

##semicolon## control, rolling stock, electric locomotive, traction transformer bushing, spectral analysis, diagnostics.


सार

The purpose of the study is to use spectral analysis for functional diagnostics of the traction transformer bushing of an AC electric locomotive, which is an important element of its asynchronous electric drive to ensure the reliability and continuity of the motion process and regenerative braking.


##submission.citations##

Guidelines for increasing the reliability and safety of operation of electrical equipment of nuclear power plants by providing the necessary regulatory documentation. // OJSC Rosenergoatom Concern. Moscow No. 126 – uk, 01.12.2009. (1.4 Diagnostics of power transformers, autotransformers, reactors and their bushings 1.33.99.0038-2009 (Appendix 4).

U. T. Berdiev, I. K. Kolesnikov, M. N. Tuychieva, F. F. Khasanov and U. B. Sulaymonov. Methods of new technological developments of electric motors based on soft magnetic materials. E3S Web of Conf., 401 (2023) 03038. DOI: https://doi.org/10.1051/e3sconf/202340103038

Abitkhodja Burkhankhodjaev, Malika Tuychieva, Elena Iksar, Kholjan Kholbutayeva, Bakhtiyor Nurmatov; Investigation of the energy performance of electric locomotives in asymmetric modes. AIP Conf. Proc. 5 January 2023; 2552 (1): 030024. https://doi.org/10.1063/5.0133920

Usan Berdiev, Abitkhodja Burkhankhodzhaev, Malika Tuychieva, Elena Iksar, Komil Usmonov; Investigation of energy indicators with asymmetry of the voltage of the power source of mainline electric locomotives of alternating current. AIP Conference Proceedings 5 January 2023; 2552 (1): 030018. https://doi.org/10.1063/5.0131839

GOST 20074-83-Method for measuring the characteristics of partial discharges.

I.N. Bronstein, K.A. Semendyaev. Handbook of higher mathematics for higher educational institutions. Moscow: VSh, 1968, 364 p.

Grafakos L. Classical and Modern Fourier Analysis.- Prentice – Hall. 2004.-359p.

Ravinda Aroca, Wolfgan Mosch. High Voltage and Electrical Insulation Engineering. Quebec, Canada, 371 p. John and Sons, Inc, 2011.pp 340-341, pp 343-345.

10. Demarchan K.S., Neiman L.R., Korovkin N.V., Chechurin V.P. Theoretical foundations of electrical engineering. SPB, "VSh".

Sergey Goolak, Viktor Tkachenko, Gintautas Bureika, Gediminas Vaiciunas, “Method of spectral analysis of traction current of AC electric locomotives.” Dept. of traction Rolling Stock, State University of Infrastructure and Technologies, Kyiv, Ukraine. TRANSPORT, 2020, pp. 659-668.

Yakubov M.S., Nazirkhonov T.M., Sagatova M.A. “Assessing the reliability of control systems for asynchronous electric drives of AC electric locomotives in various operating modes using regression and correlation analysis.” Unversum 2023 No. 6(111).

Capolino, G.; Antonino-Daviu, J.; Riera-Guasp, M. (2015). Modern Diagnostics Techniques for Electrical Machines, Power Electronics, and Drives. IEEE Transactions on Industrial Electronics, vol 62(3):1738-1745. doi:10.1109/TIE.2015.2391186.

Zavidey V.I., Putilova I.V., Starshinov V.A. “Modern methods of monitoring and technical diagnostics of electrical machines.” Energy, pp. 38-43.

Yakubov M.S., Sagatova M.A. “System analysis and classification of typical defects and malfunctions of AC electric drives with three-phase asynchronous motors in high-speed motion, focused on their diagnostics.” Scientific and technical journal MECHANICAL ENGINEERING. No. 1, 2023, pp. 107-103.

M. S. Yakubov, K. Kh. Turdibekov, S. A. Norzhigitov, and M. A. Sagatova. Improving maintenance system for controlled asynchronous electric drives of electric locomotives based on their diagnosis. E3S Web of Conferences 401, 05019 (2023) CONMECHYDRO – 2023.