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Relevant bibliographies by topics / Rotor Static Eccentricity

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Journal articles
Dissertations / Theses
Book chapters
Conference papers

Academic literature on the topic 'Rotor Static Eccentricity'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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Journal articles on the topic "Rotor Static Eccentricity"

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Kotsur, I. M., M. I. Kotsur, D. S. Yarymbash, T. Ye Dyvchuk, Yu S. Bezverkhnia, and V. S. Ozerov. "Investigation of electromagnetic processes in the case of static eccentricity of a two-pole induction motor with a short-circuited rotor." Electrical Engineering and Power Engineering, no. 4 (April 24, 2024): 17–24. http://dx.doi.org/10.15588/1607-6761-2023-4-2.

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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

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Karami, Mahdi, Norman Mariun, Mohammad Rezazadeh Mehrjou, Mohd Zainal Abidin Ab Kadir, Norhisam Misron, and Mohd Amran Mohd Radzi. "Static Eccentricity Fault Recognition in Three-Phase Line Start Permanent Magnet Synchronous Motor Using Finite Element Method." Mathematical Problems in Engineering 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/132647.

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This paper is dedicated to investigating static eccentricity in a three-phase LSPMSM. The modeling of LSPMSM with static eccentricity between stator and rotor is developed using finite element method (FEM). The analytical expression for the permeance and flux components of nonuniform air-gap due to static eccentricity fault is discussed. Various indexes for static eccentricity detection using stator current signal of IM and permanent magnet synchronous motor (PMSM) are presented. Since LSPMSM is composed of a rotor which is a combination of these two motors, the ability of these features is ev

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Goroshko, Andrii, Maryna Zembytska, and Vadym Paiuk. "Induction Motor Vibrations Caused by Mechanical and Magnetic Rotor Eccentricity." Journal of Engineering Sciences 11, no. 1 (2024): D66—D77. http://dx.doi.org/10.21272/jes.2024.11(1).d8.

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Vibration reduction of induction motors is a significant problem that requires effective models for the effects of mechanical and electromagnetic unbalanced forces. This article presents a mathematical model of dynamics for induction motors with rotor mass eccentricity and static and dynamic magnetic eccentricity. The model allows for the influence of the gyroscopic torque of the rotor and considers the elastic-damping characteristics of each of the stator supports and their location. The model has eight degrees of freedom, which makes it possible to simulate transverse and axial vibrations of

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Prudnikov, Artem, Vyacheslav Bonnet, Alexandr Loginov, and Yakov Bonnet. "The results of the production tests of the method for diagnosing the eccentricity of the rotor of an asynchronous electric motor." E3S Web of Conferences 390 (2023): 06020. http://dx.doi.org/10.1051/e3sconf/202339006020.

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Ensuring the reliability of electrical equipment in agriculture remains an urgent problem, since rugged operating conditions and aggressive environment hinder its rational use. The high accident incidence rate of asynchronous motors in most cases is invariably caused by the failure of the inter-turn insulation and interphase short circuit or short circuits to the housing. The probability of an emergency situation increases with an increase in the radial clearance in the bearings and, consequently, the occurrence of static eccentricity of the rotor. The developed method for diagnosing the stati

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Ahlam, Luaibi Shuraiji. "The effect of static and dynamic eccentricities on the performance of flux reversal permanent magnet machine." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 2 (2020): 634–40. https://doi.org/10.11591/ijpeds.v11.i2.pp634-640.

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This study investigates the effect of static and dynamic eccentricities on the performances of flux reversal permanent magnet (FRPM) machine with even rotor pole number, i.e. FRPM machine with 12/10 stator/rotor combination. No-load and load performances of the machine are investigated under three rotor operating conditions including centricity, static eccentricity and dynamic eccentricity. The investigation has been carried out using 2D-FEA. It has been revealed that the 12/10 FRPM machine under normal operating condition has no unbalanced magnetic force, due to the even pole number of the ro

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WERNER, ULRICH. "THEORETICAL VIBRATION ANALYSIS OF SOFT MOUNTED TWO-POLE INDUCTION MOTORS WITH STATIC ROTOR ECCENTRICITY." International Journal of Applied Mechanics 03, no. 01 (2011): 131–59. http://dx.doi.org/10.1142/s1758825111000919.

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The paper shows a mathematical model for vibration analysis of soft mounted two-pole induction motors regarding electromagnetic excitation due to static rotor eccentricity. A static rotor eccentricity causes an electromagnetic force, acting on the rotor and on the stator and oscillating with the double supply frequency. This magnetic force is implemented into a simplified analytical machine dynamic model and the correlations between the rotor dynamics, electromagnetic, oil film characteristics of the sleeve bearings, and the stiffness and damping of a soft foundation are mathematically describ

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Zeng, Shan, Sigui Luo, Fei Wang, Xifan Lan, Xinrui Ma, and Yuxin Lu. "The Nonlinear Dynamic Characteristics of an Industrial Turbine Engine with Eccentric Squeeze Film Dampers." Applied Sciences 13, no. 24 (2023): 13325. http://dx.doi.org/10.3390/app132413325.

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Squeeze film dampers are often used to suppress vibration in turbine engines and play an important role in rotor systems. In this paper, the nonlinear dynamic characteristics of an industrial turbine engine fitted with squeeze film dampers are investigated with the static eccentricity of the SFDs. A recently developed time domain technique that combines the finite element method and the fixed interface modal synthesis method is applied to predict the nonlinear unbalance response of the industrial turbine engine under different unbalanced and static eccentricity configurations. By comparing the

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Wang, Wenbo, Pengyun Song, Hechun Yu, and Guoqing Zhang. "Study on Static Characteristics of Ultra-Precision Aerostatic Motorized Spindle under Gas–Magnetic Field Coupling." Electronics 11, no. 9 (2022): 1434. http://dx.doi.org/10.3390/electronics11091434.

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In the working process of ultra-precision aerostatic motorized spindles, the journal and the rotor must have a certain eccentricity to have a certain bearing capacity and stiffness, which will induce the unbalanced magnetic pull (UMP). The intercoupling of the UMP and the gas film force will affect the motion state of the rotor and the accuracy of spindles. In order to deeply study the influence of the UMP caused by the rotor eccentricity on the equilibrium position of aerostatic spindles, a physical model of an aerostatic spindle based on slit throttling gas bearing is established and the cou

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Wan, Shuting, and Yuling He. "INVESTIGATION ON STATOR AND ROTOR VIBRATION CHARACTERISTICS OF TURBO-GENERATOR UNDER AIR GAP ECCENTRICITY FAULT." Transactions of the Canadian Society for Mechanical Engineering 35, no. 2 (2011): 161–76. http://dx.doi.org/10.1139/tcsme-2011-0010.

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This paper investigates the stator and the rotor vibration characteristics of turbo-generator under the air gap eccentricity fault. Firstly the air gap magnetic flux density of the fault is deduced, and the formula of the magnetic pull per unit area acting on the stator and the unbalanced magnetic pulls of x-axis and y-axis acting on the rotor are respectively gotten. Then the static eccentricity, the dynamic eccentricity and the mixed eccentricity are respectively studied to analyze the stator and the rotor vibration characteristics. Finally experiments are done on a SDF-9 non-salient fault s

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Wang, Xinrou, Rui Zhu, and Xuechao Wang. "Analysis of bending and torsional vibration characteristics of rotor under the influence of air gap eccentricity-rub impact coupling fault." Journal of Physics: Conference Series 2825, no. 1 (2024): 012025. http://dx.doi.org/10.1088/1742-6596/2825/1/012025.

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Abstract Considering the challenges posed by air gap compound eccentricity fault and rubbing fault in gas turbine generator groups, we undertake an analysis of the air gap magnetic field variation in the presence of air gap compound eccentricity. Leveraging the energy method of the air gap magnetic field, we establish a model for an unbalanced magnetic pulling force induced by air gap compound eccentricity. Concurrently, we develop a dynamic model for rotor rubbing fault, from which we derive the expression for rubbing force. Subsequently, we formulate the dynamic equations governing rotor sys

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Dissertations / Theses on the topic "Rotor Static Eccentricity"

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BELMONTE, DARIO. "MODEL BASED CORRELATION METHODS FOR FAULTS DETECTION AND IDENTIFICATION ALGORITHMS ON ELECTROMECHANICAL ACTUATORS USED IN PRIMARY FLIGHT CONTROL SYSTEMSMODEL BASED CORRELATION METHODS FOR FAULTS DETECTION AND IDENTIFICATION ALGORITHMS ON ELECTROMECHANICAL ACTUATORS USED IN PRIMARY FLIGHT CONTROL SYSTEMS." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2746072.

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Book chapters on the topic "Rotor Static Eccentricity"

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He, Yu-Ling, Fa-Lin Wang, Meng-Qiang Ke, and Gui-Ji Tang. "Rotor Vibration Difference Among the Single and the Combined Faults Composed by Static Air-Gap Eccentricity and Rotor Interturn Short Circuit." In Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_52.

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Woo Kyungil and Joo Daesuk. "Fault Analysis of 3-Phase Cage Induction Motor Based on Winding Function Theory." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2010. https://doi.org/10.3233/978-1-60750-604-1-369.

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This paper studies on the fault analysis of 3-phase squirrel-cage induction motor with the rotor static eccentricity, the broken rotor bars, and the mixed fault at steady state. A mathematical fault model is presented by the coupled magnetic circuit approach. The Calculation of winding inductances is derived by means of a winding function theory. The concentrated winding type and the uniformly distributed winding type are used to taken into account the stator slot width effect. It is known that the calculation results of inductances of the concentrated type and the uniformly distributed type a

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Werner, U. "FEM-based vibration analysis of a soft mounted two-pole induction motor regarding electromagnetic excitation due to static rotor eccentricity." In 10th International Conference on Vibrations in Rotating Machinery. Elsevier, 2012. http://dx.doi.org/10.1533/9780857094537.12.741.

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Conference papers on the topic "Rotor Static Eccentricity"

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Shiekh, Solihah Sharief, and Pragasen Pillay. "Analytical and FE Modeling of a Wound Rotor Induction Motor with Static Inclined Eccentricity." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10860996.

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Shakouhi, S. Mohammad, Mustafa Mohamadian, and S. Ebrahim Afjei. "Control of BLDC motor in presence of static rotor eccentricity." In 2011 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) and Electromotion Joint Conference. IEEE, 2011. http://dx.doi.org/10.1109/acemp.2011.6490566.

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Li, Zhigang, Jun Li, and Zhenping Feng. "Numerical Investigation on the Leakage and Static Stability Characteristics of Pocket Damper Seals at High Eccentricity Ratios." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63562.

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Annular gas seals for compressors and turbines are designed to operate in a nominally centered position in which the rotor and stator are at concentric condition, but due to the rotor-stator misalignment or flexible rotor deflection, many seals usually are suffering from high eccentricity. The centering force (represented by static stiffness) of an annular gas seal at eccentricity plays a pronounced effect on the rotordynamic and static stability behavior of rotating machines. The paper deals with the leakage and static stability behavior of a fully-partitioned pocket damper seal (FPDS) at hig

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4

Bonello, Philip, Michael J. Brennan, and Roy Holmes. "A Study of the Influence of Static Eccentricity and Unbalance on Cavitation Effects in a Squeeze Film Damped Flexible Rotor." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30288.

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The study of eccentric squeeze film damped rotor dynamic systems has largely concentrated on rigid rotors. In this paper, a newly developed receptance harmonic balance method is used to efficiently analyze a squeeze film damped flexible rotor test rig. The aim of the study is to investigate the influence of damper static eccentricity and unbalance level on cavitation and its resulting effect on the vibration level. By comparing predictions for the rotor vibration levels obtained respectively with, and without, lower pressure limits for the eccentric squeeze film damper model, it is demonstrate

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5

GOROSHKO, Andrii. "Multiphysics Modeling of Direct-Start Induction Motor Considering Rotor Unbalance." In Terotechnology XIII. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903315-31.

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Abstract. The paper proposes a multiphysics model of the dynamics of an induction motor with a squirrel-cage rotor, taking into account the forced vibrations caused by the mass and magnetic eccentricity of the rotor. The model is based on numerical modeling of the motor operation, analytical modeling of the motor oscillations with a rotor containing mass eccentricity and numerical modeling of the motor oscillations with a rotor containing static and dynamic magnetic eccentricity. The model makes it possible to simulate vibrations of rotors and induction motor casings with account of moments of

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6

Shi, Yuke, Zhuoran Zhang, and Li Yu. "Influence of Static Rotor Eccentricity on Suspension Performance of Bearingless Doubly Salient Electromagnetic Machine." In IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2020. http://dx.doi.org/10.1109/iecon43393.2020.9254874.

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7

Werner, U. "Theoretical analysis of shaft vibrations in two-pole induction machines considering static rotor eccentricity." In 2010 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2010). IEEE, 2010. http://dx.doi.org/10.1109/speedam.2010.5544902.

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8

Khoobroo, Amir, and Babak Fahimi. "Detection of static rotor eccentricity in permanent magnet synchronous drives using field reconstruction method." In 2010 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2010. http://dx.doi.org/10.1109/vppc.2010.5729044.

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9

Negoita, Andrei, and Razvan Mihai Ionescu. "Influence of rotor static eccentricity on the noise level of a squirrel cage induction motor." In 2011 10th International Conference on Environment and Electrical Engineering (EEEIC). IEEE, 2011. http://dx.doi.org/10.1109/eeeic.2011.5874826.

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10

Orman, Maciej, Agnieszka Nowak, and Cajetan T. Pinto. "A novel non-invasive method for detection of static rotor eccentricity in an induction machine." In 2013 2nd International Conference on Measurement, Information and Control (ICMIC). IEEE, 2013. http://dx.doi.org/10.1109/mic.2013.6757929.

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