Investigation of electromagnetic processes in the case of static eccentricity of a two-pole induction motor with a short-circuited rotor
DOI:
https://doi.org/10.15588/1607-6761-2023-4-2Ключові слова:
induction motor, static eccentricity, mathematical model, Fourier series, error, magnetic conductivity, amplitude, harmonicАнотація
Purpose. Correction of the mathematical model of electromagnetic processes in a two-pole induction motor with a short-circuited rotor, taking into account static rotor eccentricity to identify diagnostic correlations.
Methodology. Analytical modeling using the method of specific magnetic conductivity, mathematical modeling of electromagnetic fields in a three-phase induction motor with a short-circuited rotor using methods of electromagnetic field theory and finite element methods.
Obtained results. The necessity of improving mathematical models for induction motors with short-circuited rotors to establish new or refine connections between diagnostic features and diagnosed defects has been demonstrated. Refined mathematical expressions for calculating the specific conductivity of non-uniform air gaps in induction motors with static eccentricity are provided. Modeling was performed using the FEMM environment for a statically eccentric two-pole induction motor with a short-circuited rotor. It has been proven that the harmonic order values obtained using the numerical-field method are consistent with those obtained analytically.
Findings. Based on the field approach and using the finite elements method, an analysis of the distribution of magnetic field in a two-pole induction motor with a short-circuited rotor was conducted. Harmonic analysis of the magnetic field in the air gap was performed to identify the fundamental harmonic and higher and lower-order harmonics when eccentricity occurs. The influence of static rotor eccentricity on the electromagnetic processes of the induction motor was analyzed.
Practical value. The results of the study can be utilized for functional diagnosis of the rotor winding of induction motors based on the radial component of the magnetic field. This will contribute to enhancing the reliability of induction motors and enable the prevention of failure in induction motors with short-circuited rotors.
Посилання
Vaskovskiy, Y.N., Geras'kin, A.A. (2014). Vibrational diagnostics of rotor eccentricity in asynchronous ma-chines based on analysis of vibration forces. Bulletin of the National Technical University "KhPI", 38 (1081). 52–62.
Wallin M., Bladh J., Lundin U. (2013). Damper wind-ing influence on unbalanced magnetic pull in salient pole generators with rotor eccentricity. IEEE transac-tions on magnetics, 49, 9, 5158–5165. URL: https://doi.org/10.1109/tmag.2013.2259633
Novozhilov, A.N. (2013). Diagnostics of rotor eccen-tricity in alternating current electric machines using artificial neural networks. Bulletin of the National Technical University "KhPI", 1, 68-75.
Geller, B., & Gamata, V. (1981). Higher harmonics in induction machines. M. Energiya, 351.
Novozhilov, A.N., & Isupova, N.A. (2013). Features of modeling the magnetic field in the air gap with rotor eccentricity of an induction motor. Electrical Engi-neering, 9, 30-33.
Milikh, V.I. (2018). Numerical-field analysis of the adequacy of design data for three-phase asynchro-nous motors and a method for their refinement based on this. Technical Electrodynamics, 1, 47–55. URL: https://doi.org/10.15407/techned2018.01.047
Yarymbash, D., Kotsur, M., Yarymbash, S., & Ko-tsur, I. (2017). Osobennosti trehmernogo mod-elirovanija jelektromagnitnyh polej asinhronnogo dvigatelja [Features of three-dimensional simula-tion of the electromagnetic fields of the asynchronous motors]. Elektrotehnika i elektroenergeti-ka, 2, 43-50. (in Rus-sian) DOI:10.15588/1607-6761-2016-2-5
Chen H., Bi C. (2022). An effective method for de-termination and characteristic analysis of induc-tion motor parameters. IET electric power applications. 16 (5), 605–615.
URL: https://doi.org/10.1049/elp2.12180
Milikh, V.I. (2018). Automated system for forming calculation models of electric machines for the FEMM software environment. Technical Electrodynamics, 4, 74–78. URL: https://doi.org/10.15407/techned2018.04.074
Thomson W. T. (1999). A review of on-line condition monitoring techniques for three-phase squirrel-cage induction motors-past present and future. Keynote address at IEEE symposium on diagnostics for elec-trical machines, power electronics and drives, 3-18.
Vigovsky, O.V. (2018). Diagnosis of induction mo-tors of nuclear power plant units. Problems of nuclear power plant safety and Chernobyl, 36–40. URL: https://doi.org/10.31717/1813-3584.18.31.4
Lushchik, V.D., Polezin, S.Yu., & Antypko, G.S. (2013). Premature failure of windings in two-pole medium-power induction motors. Electrical Engineer-ing and Electromechanics, 6, 37-39.
Novozhilov, A.N., et al. (2013). Diagnosing rotor eccentricity of an induction motor based on the root-mean-square value of additional harmonic stator currents. Technical Sciences - From Theory to Prac-tice, 27, 1.
Nikiyan, N.G. (2003). Multiphase real asynchronous machine: mathematical modeling, methods, and di-agnostic tools: monograph
Petukhov, V.S. (2005). Diagnosis of the state of elec-tric motors based on spectral analysis of consumed current. Electrical Engineering News, 31, 23–26.
Neelam Mehala (2010). Detecting of bearing faults of induction motor using Park's vector approach. In-ternational Journal of Engineering and Technology, 2. 263–266.
Zhou G.Y., Shen J.X. (2017). Rotor notching for elec-tromagnetic noise reduction of induction motors. IEEE transactions on industry applications, 53(4), 3361–3370. URL: https://doi.org/10.1109/tia.2017.2681969
J. Du et al. (2021). Research on radial electromag-netic force and vibration response characteristics of squirrel-cage induction motor fed by PWM inverter. IEEE transactions on applied super conductivity, 31, (8). 1–4. URL: https://doi.org/10.1109/tasc.2021.3096501
Gashimov, M.A., & Mirzoyeva, S.M. (2002). Inves-tigation for the purpose of diagnosing electromagnet-ic processes in electrical machines with uneven air gap. Electricity, 11, 52-45.
Novozhilov, A.N., & Isupova, N.A. (2012). Investi-gation of methods for modeling air gap size with ro-tor eccentricity in an electric machine. Bulletin of the National Technical University "KhPI", 6, 23-28.
Yondem, M.E., Nikiyan, N.G., & Akopyan, G.S. (1985). Magnetic conductivity of the air gap of an induction machine with rotor eccentricity. Electrome-chanics, 5, 32-35.
##submission.downloads##
Опубліковано
Як цитувати
Номер
Розділ
Ліцензія
Авторське право (c) 2024 I.M. Kotsur, M.I. Kotsur, D.S. Yarimbash, T.Ye. Dyvchuk, Yu. S. Bezverkhnia, V.S. Ozerov
Ця робота ліцензується відповідно до Creative Commons Attribution-ShareAlike 4.0 International License.
Положення про авторські права Creative Commons
Автори, які публікуються у цьому журналі, погоджуються з наступними умовами:
Автори залишають за собою право на авторство своєї роботи та передають журналу право першої публікації цієї роботи на умовах ліцензії Creative Commons Attribution License, котра дозволяє іншим особам вільно розповсюджувати опубліковану роботу з обов'язковим посиланням на авторів оригінальної роботи та першу публікацію роботи у цьому журналі.
Автори мають право укладати самостійні додаткові угоди щодо неексклюзивного розповсюдження роботи у тому вигляді, в якому вона була опублікована цим журналом (наприклад, розміщувати роботу в електронному сховищі установи або публікувати у складі монографії), за умови збереження посилання на першу публікацію роботи у цьому журналі.
Політика журналу дозволяє і заохочує розміщення авторами в мережі Інтернет (наприклад, у сховищах установ або на особистих веб-сайтах) рукопису роботи, як до подання цього рукопису до редакції, так і під час його редакційного опрацювання, оскільки це сприяє виникненню продуктивної наукової дискусії та позитивно позначається на оперативності та динаміці цитування опублікованої роботи.
