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Journal articles on the topic 'Squirrel-cage induction motor'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Wogi, Lelisa, Amruth Thelkar, Tesfabirhan Tahiro, Tadele Ayana, Shabana Urooj, and Samia Larguech. "Particle Swarm Optimization Based Optimal Design of Six-Phase Induction Motor for Electric Propulsion of Submarines." Energies 15, no. 9 (April 20, 2022): 2994. http://dx.doi.org/10.3390/en15092994.

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Recent research reveals that multi-phase motors in electric propulsion systems are highly recommended due to their improved reliability and efficiency over traditional three phase motors. This research presented a comparison of optimal model design of a six phase squirrel cage induction motor (IM) for electric propulsion by using Genetic Algorithm (GA) and Particle Swarm Optimization (PSO). A six phase squirrel cage induction motor is designed and simulated by ANSYS Motor-CAD. In order to find the best fit method, simulation results are compared and applied to the motors for electric propulsion, considering the influence of design upon the motor performance. The six-phase squirrel cage induction motor is more energy efficient, reliable and cost effective for the electric propulsion compared to the conventional three phase motor. In this study, first the initial parameters of the six phase squirrel cage induction motor have been determined and then these parameters have been compared with optimized values by Genetic Algorithm (GA) and PSO optimization. The motor designed is optimized using efficiency and power losses as the fitness function. The six phase squirrel cage induction motor is designed using ANSYS Motor-CAD and the simulation results were also presented along with two-dimensional and three-dimensional geometry. The result shows that the weight and power loss are reduced to 161 kg and 0.9359 Kw respectively, while the efficiency and power factor are increased to 0.95 and 0.87 respectively when PSO is used. This shows that the result is promising.

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2

Figura, Radosław, Leszek Szychta, and Roman Kwiecień. "Verification of the modified AGT method applied to determining efficiency of squirrel-cage induction motor." Archives of Electrical Engineering 61, no. 3 (September 1, 2012): 315–23. http://dx.doi.org/10.2478/v10171-012-0025-z.

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Verification of the modified AGT method applied to determining efficiency of squirrel-cage induction motor The modified air gap torque method to determine the efficiency of squirrel-cage induction motor was presented. of testing which continues the authors' work on application of AGT method to estimating induction motor's efficiency are discussed. The proposed method is verified in a number of selected low-power motors.

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3

Sekara, Nagamani Chandra, Somanatham R, and Chaitanya Kumar U. "Design and Analysis of Drive System with Slip Ring Induction Motor for Electric Traction in India." International Journal of Power Electronics and Drive Systems (IJPEDS) 5, no. 3 (February 1, 2015): 374. http://dx.doi.org/10.11591/ijpeds.v5.i3.pp374-382.

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The use of Squirrel Cage for Traction has revolutionised the motive power of a Locomotive. The Asynchronous Motor is rugged with high starting Torque, has a very smooth Voltage and Speed control as compared to a DC Series Motor. When looking at the Traction perspective, a Slip Ring Induction Motor can be an alternative to the Squirrel Cage Motor as it has higher starting Torque and better efficiency than a Squirrel Cage Motor. the Slip Power Recovery scheme also plays a proactive role as ther can be substantial savings of energy in case of a Slip Ring Induction Motor. A detailed design and analysis of a Drive System with Slip Ring Induction Motor for Electric Traction is presented in this Research Paper

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4

Khan, Banti, Ashita Goyal, and Ashutosh Kumar Chobey. "IMPROVING THERMAL WITHSTANDING CAPACITY OF THREE PHASE INDUCTION MOTOR USING NWCC METHOD." International Journal of Research -GRANTHAALAYAH 2, no. 3 (December 31, 2014): 40–51. http://dx.doi.org/10.29121/granthaalayah.v2.i3.2014.3058.

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Three phase induction motors are widely used in industries due to their various technical as well as economical advantages. About 60% of industrial electricity is consumed by these motors, but the heat generation inside the motor due to various losses is a critical factor which degrades the dielectric properties of insulation and shortening the lifespan of motor. This paper presents the capillary based water cooling method of three phase squirrel cage induction motor. In this method, a jacket of capillaries made of jute and cotton is used as a outer cover for the motor casing. A small air gap passage is provided in between motor casing and inner surface of jacket. Natural Water Cooling Capillaries (NWCC) method is used to lower down the surrounding temperature of motor which reduces heating limitations of motor. For this purpose we select a 1.1kW three phase, 50Hz squirrel cage induction motor. Heat run test is performed on this motor to determine the total loss of energy dissipated as heat on three phase squirrel cage induction motor with and without adopting capillary based water cooling method. Comparison is done on the basis of experimental result which shows that the temperature withstanding capacity of induction motor will increase by 15.5 % after adopting capillary based water cooling method. This is an economical method and no external energy is required for cooling purpose.

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5

Ágoston, Katalin. "Studying and Simulating the Influence of the Rotor Fault on Stator Current." Acta Marisiensis. Seria Technologica 17, no. 1 (June 1, 2020): 17–21. http://dx.doi.org/10.2478/amset-2020-0004.

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AbstractThis paper presents fault detection techniques, especially the motor current signature analysis (MCSA) which consists of the phase current measurement of the electrical motor’s stator and/or rotor. The motor current signature analysis consists in determining the frequency spectrum (FFT) of the stator current signal and evaluating the relative amplitude of the current harmonics. Sideband frequencies appear in the frequency spectrum of the current, corresponding to each fault. The broken bar is a frequent fault in induction motors with squirrel-cage rotor. It is presented the equivalent circuit for induction motors and the equivalence between the squirrel-cage rotor and the rotor windings. It is also presented an equivalent circuit model for induction motors with squirrel cage rotor, and based on this a Simulink model was developed. It is shown how a broken rotor bar influences the magnetic field around the rotor and through this the stator current. This modification is highlighted through the developed model.

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6

Bernatt, Jakub. "Squirrel cage induction motors with idle bars." Archives of Electrical Engineering 59, no. 1-2 (September 1, 2010): 79–86. http://dx.doi.org/10.2478/s10171-010-0006-z.

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Squirrel cage induction motors with idle bars The paper describes high output induction motors driving large applications of heavy starting conditions. Heavy start is characterised by long accelerating time and occures in drives of hudge inertia torque, esspecially when performed at full load. The reliable operation of the motors depends on proper design and quality of rotor's cage. The aspects of thermal behaviour and electrodynamic forces have to be considered during the design of the motor for hard working conditions. In the paper the rotor with idle bars is investigated.

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7

Kim, Jongbaeg, and Michael D. Bryant. "Bond Graph Model of a Squirrel Cage Induction Motor With Direct Physical Correspondence." Journal of Dynamic Systems, Measurement, and Control 122, no. 3 (January 4, 2000): 461–69. http://dx.doi.org/10.1115/1.1286600.

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An existing bond graph of a squirrel cage induction motor was modified to make the bond graph physically more representative. The intent was to form a one-to-one correspondence between motor components and bond graph elements. Components explicitly represented include the stator coils, the squirrel cage rotor bars, and the magnetic flux routing section. The final bond graph spans electrical, magnetic, and mechanical energy domains, and contains common motor faults. From this bond graph. state equations were extracted and simulations performed. Simulated were the response of healthy motors, and motors with shorted stator coils and broken rotor bars. [S0022-0434(00)01203-X]

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8

Perahia, J., and C. V. Nayar. "Generalized Machine Theory Applied to a Three Phase Twin Stator Squirrel-Cage Induction Motor." International Journal of Electrical Engineering & Education 31, no. 2 (April 1994): 167–83. http://dx.doi.org/10.1177/002072099403100210.

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Generalized machine theory applied to a three phase twin stator squirrel-cage induction motor This paper uses generalized machine theory to develop an equivalent circuit model of a three phase induction motor comprised of two independently housed stator windings with one stator housing moveable, and a single squirrel-cage rotor whose bars extend the full length of the two stators.

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9

Zhu, Hong-yu, Jing-tao Hu, Lei Gao, and Hao Huang. "Practical Aspects of Broken Rotor Bars Detection in PWM Voltage-Source-Inverter-Fed Squirrel-Cage Induction Motors." Journal of Applied Mathematics 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/128368.

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Broken rotor bars fault detection in inverter-fed squirrel cage induction motors is still as difficult as the dynamics introduced by the control system or the dynamically changing excitation (stator) frequency. This paper introduces a novel fault diagnosis techniques using motor current signature analysis (MCSA) to solve the problems. Switching function concept and frequency modulation theory are firstly used to model fault current signal. The competency of the amplitude of the sideband components at frequencies (1±2s)fsas indices for broken bars recognition is subsequently studied in the controlled motor via open-loop constant voltage/frequency control method. The proposed techniques are composed of five modules of anti-aliasing signal acquisition, optimal-slip-estimation based on torque-speed characteristic curve of squirrel cage motor with different load types, fault characteristic frequency determination, nonparametric spectrum estimation, and fault identification for achieving MCSA efficiently. Experimental and simulation results obtained on 3 kW three-phase squirrel-cage induction motors show that the model and the proposed techniques are effective and accurate.

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10

Hong, C. G., S. C. Ho, and G. J. Hwang. "Characteristics of a squirrel cage induction motor." IEE Proceedings B Electric Power Applications 138, no. 3 (1991): 115. http://dx.doi.org/10.1049/ip-b.1991.0014.

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11

Nakamae, E., H. Yamashita, K. Kaneda, Y. Ohnogi, and K. Kagawa. "Noiseless variable-speed squirrel-cage induction motor." IEEE Transactions on Energy Conversion 5, no. 2 (June 1990): 380–85. http://dx.doi.org/10.1109/60.107236.

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12

Okafor Augustine, Olubiwe Matthew, and Akukuegbu Isdore. "Evaluation of the steady state performance of a squirrel cage induction motor using per-phase equivalent circuit." World Journal of Advanced Engineering Technology and Sciences 5, no. 1 (January 30, 2022): 001–14. http://dx.doi.org/10.30574/wjaets.2022.5.1.0084.

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The performance evaluation of cage induction motor continues to receive tremendous attention because of its vital effect on the overall system stability. The model has predicted the behavior of cage induction motor under different operating conditions and in selecting the appropriate motor for a specific load application. There is often a challenge when a squirrel cage induction motor is connected to a time-varying load, particularly when the motor is selected without considering the effects of pulsating torques. The usual method used for steady state analysis of induction motors is the equivalent circuit method. Using the per phase equivalent circuit of the induction motor, stator current and referred rotor current were computed using simple circuit analysis. Once the currents are available, then power can be computed because the voltage is already known.

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13

Mróz, Jan. "The model of double-cage induction motor for the analysis of thermal fields in transient operations." Archives of Electrical Engineering 66, no. 2 (June 27, 2017): 397–408. http://dx.doi.org/10.1515/aee-2017-0030.

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AbstractEmergency motor switch-on happens occasionally while operating a doublesquirrel- cage motor at full supply voltage with the rotor blocked (e.g., in coal mills). After releasing the blockage, the by now heated motor is started up again. However, the mechanical stress caused by the increased temperature poses considerable hazards to the squirrel-cage winding. This paper presents a double-cage induction motor model for analysis of thermal fields in transient operation. The thermal field for the rotor of a doublesquirrel- cage motor of soldered or cast structure, operating in the conditions described, has been calculated in the present paper using a thermal network method. Measurement results have been presented for the double-squirrel-cage winding temperature for a soldered cage construction in the blocked rotor state.

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14

Zhu, Hong Yu, Jing Tao Hu, Lei Gao, and Hao Huang. "Detection of Broken Rotor Bars in Squirrel Cage Induction Motor Using Filter and Wavelet Analysis." Applied Mechanics and Materials 577 (July 2014): 726–34. http://dx.doi.org/10.4028/www.scientific.net/amm.577.726.

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A new method has been developed for the detection of broken rotor bars fault in squirrel cage induction motor during startup regimes. The incipient detection of fault is made by using DWT analysis of FIR low pass filtered original startup transient current signal. The extracted particular characteristic evolution of the time-varying signal is used as a fault index. The method was tested using healthy and damaged 3.0kW squirrel cage induction motors under no-load conditions. The results indicate that the method yields a high degree of performance in fault identification.

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15

Khamidov, O. R., and A. V. Grishchenko. "Locomotive asynchronous traction motor rolling bearing fault detection based on current intelligent methods." Journal of Physics: Conference Series 2131, no. 4 (December 1, 2021): 042084. http://dx.doi.org/10.1088/1742-6596/2131/4/042084.

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Abstract The paper is devoted to current issues of locomotive asynchronous traction motor (ATEM) fault detection using neural networks. Developed sophisticated intelligent methods for monitoring and inspecting the technical condition of ATE bearings. Current absorption spectra are analysed to assess the technical condition of the induction bearing units. The mechanical vibration frequencies of a squirrel cage induction motor are presented. The method of artificial neural networks which are universal approximators and can effectively and efficiently solve problems of monitoring and diagnostics of technical condition of locomotive induction traction motors is applied. A neural network model and framework for monitoring the technical condition of ATED bearings has been developed. They are based on rules and user-provided facts to recognise the situation, make a diagnosis, formulate a solution or make a recommendation. The main failures of the bearing units of squirrel cage ATED are analysed. A methodology has been developed to build a neural network model of the ATED. The structure and architecture of the artificial neural network is defined. An experimental research has been conducted. The results enable the determination of bearing faults in asynchronous traction motors with squirrel cage rotor.

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16

Dalcali, Adem, and Mehmet Akbaba. "Performance Optimisation of Single-Phase Variable Reluctance Shaded-Pole Motor." Tehnički glasnik 16, no. 4 (September 26, 2022): 491–96. http://dx.doi.org/10.31803/tg-20220329131808.

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Shaded pole induction motors’ theoretical analysis is quite difficult because of the presence of strong harmonic components and the elliptical rotating field. The change of air gap reluctance is affecting the air gap flux distribution and thus the performance of the motor. In the study, the effect of the change in the SPIM’s stator, rotor and squirrel cage on the performance of the motor is analysed by the Finite Element Method. The flux distributions and torque values of the closed-interpoles type and the stator with different interpoles clearances are obtained. The effects of single and double cage structures in the rotor part and the effects of copper and aluminium cage materials in the squirrel cage were analysed. According to the analyses, it was determined that the single cage motor with aluminium cage material exhibited the best torque performance with a torque value of 132.78 mNm.

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17

Drabek, Tomasz. "Derating of Squirrel-Cage Induction Motor Due to Rotating Harmonics in Power Voltage Supply." Energies 16, no. 2 (January 8, 2023): 735. http://dx.doi.org/10.3390/en16020735.

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This paper presents a method for determining the load capacity of three-phase squirrel-cage induction motors supplied with a balanced distorted voltage containing rotating harmonics (1st, 5th, 7th, 11th, 13th,...). The method is based on the dependence of the motor load capacity on the load power losses in the rotor cage. The load capacity was determined based on motor short-circuit measurements made for frequencies equal to harmonic frequencies. To evaluate the load capacity, a factor with the proposed name Harmonic Losses Factor (HLF) was introduced. Its expression is a generalization of the well-known HVF expression. However, it has been shown that a more accurate estimation of the load capacity is obtained using the sum of load power losses in the rotor cage from higher harmonics. Measurements and calculations were carried out for a low-voltage squirrel-cage motor with a rated power of 22 kW and a synchronous speed of 1500 rpm. Calculations showed that the derating power curves given in the IEC 60034-17 and NEMA MG1 standards are incorrect for the tested motor.

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18

Atig, Mahdi, Mustapha Bouheraoua, and Arezki Fekik. "An Experimental Investigation of Heating in Induction Motor under Open Phase Fault." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 3 (June 1, 2018): 1288. http://dx.doi.org/10.11591/ijece.v8i3.pp1288-1296.

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Although a three–phase squirrel cage induction motor is known by its qualities of robustness and low cost of construction. However, this machine can be affected by potential defects that affect the production, safety, quality of service and profitability of installations. However, to show the behavior of induction motor in different operating modes, the studying of this machine is very important. This paper presented the results of an experimental investigation to see the impact of the open phase fault on the thermal behavior in the 2.2 kW three phase squirrel cage induction motor, and to display the stator current waveforms with healthy and faulty conditions under different loads.

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19

Ermolaev, Artem, Vladimir Erofeev, Aleksandr Plekhov, and Dmitry Titov. "Magnetic Vibration in Induction Motor Caused by Supply Voltage Distortion." Energies 15, no. 24 (December 17, 2022): 9600. http://dx.doi.org/10.3390/en15249600.

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This article discusses magnetic vibrations in squirrel-cage induction motor stators and provides a mathematical description of the process of their excitation. A model of a 30 kW squirrel-cage induction motor was developed in finite element software. This model considers the motor geometry, material properties and stator winding. The electromagnetic and mechanical processes in the motor during the rotation of the rotor were considered. In the course of this study, currents of various harmonic compositions and amplitudes were applied to the motor windings, which caused magnetic noise, vibration and pulsations of the electromagnetic torque. Magnetic noises, vibrations and pulsations of the electromagnetic torque were investigated in the case of imbalance and harmonic distortions of the supply voltage.

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20

Iegorov, Oleksiy, Marina Glebova, and Jana Forkun. "Dependence of starting characteristics on the shape of rotor slots." InterConf, no. 35(163) (July 20, 2023): 278–86. http://dx.doi.org/10.51582/interconf.19-20.07.2023.027.

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At present, induction motors with a squirrel-cage rotor drive based on them are widely used. The breadth of the field of use of induction electric motors is so great due to the large power range, simple design, reliability and high technical and economic indicators, the possibility of producing these machines with various degrees of protection, which allows them to be used both under normal operating conditions and under harsh environmental conditions. The review of technical literature was carried out and various forms of stator and rotor slots were considered. The calculations of an induction electric motor with a squirrel-cage rotor are considered in two different ways: using the technique presented in [1], and using the ANSYS finite element analysis program Maxwell.

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21

Griffith, J. W., R. M. McCoy, and D. K. Sharma. "Induction Motor Squirrel Cage Rotor Winding Thermal Analysis." IEEE Transactions on Energy Conversion EC-1, no. 3 (September 1986): 22–25. http://dx.doi.org/10.1109/tec.1986.4765729.

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22

Griffith, J. W., R. M. McCoy, and D. K. Sharma. "Induction Motor Squirrel Cage Rotor Winding Thermal Analysis." IEEE Power Engineering Review PER-6, no. 9 (September 1986): 21–22. http://dx.doi.org/10.1109/mper.1986.5527648.

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23

Jazdzynski, W. "Multicriterial optimisation of squirrel-cage induction motor design." IEE Proceedings B Electric Power Applications 136, no. 6 (1989): 299. http://dx.doi.org/10.1049/ip-b.1989.0039.

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24

Wu, Yucai, Shuqiong Sun, Qingfei An, and Xu Lie. "Treatment Strategy Research on a Squirrel-Cage Induction Motor with Broken Rotor Bar Faults." Sensors 22, no. 12 (June 8, 2022): 4345. http://dx.doi.org/10.3390/s22124345.

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Squirrel-cage induction motors are increasingly displaying a broken rotor bar fault, which represents both a technical problem and an economic problem. After confirming that the broken rotor bars do not affect the normal start-up and basic working performance of the squirrel-cage induction motor, this paper focuses on the loss and efficiency changes of the motor brought about by the broken rotor bar fault. Using finite element simulation and experimentation, various losses like stator copper loss, iron loss, rotor copper loss, mechanical loss and additional losses, total loss and efficiency are obtained. By combining price and cost factors, the cost-effective measures that can be taken after the occurrence of different degrees of broken bars are evaluated here to provide guidance for correctly handling this problem.

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25

Streblau, Maik Jurgen, Marin Todorov, and Tatyana Dimova. "A Study of the Impact of Squirrel-Cage Rotor Faults on the Stator Current Signature." ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA 5, no. 2 (December 31, 2021): 132–39. http://dx.doi.org/10.29114/ajtuv.vol5.iss2.231.

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The present paper considers the impact of the degree of damage to a squirrel-cage rotor of an induction motor on the spectrum of the stator current. The study is based on the motor current signature analysis. Performed, for this purpose, were scientific experiments on eight samples of squirrel-cage rotors, seven of which with pre-inflicted faults using Dynamic Motor Analyser. The obtained results are herein presented in graphical and tabular form and are further compared with the ones acquired from an induction motor with an intact rotor winding. It can be clearly ascertained that the larger the number of damaged rotor bars, the more significant the increase in the current amplitude as correspondent to the side band amplitude.

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26

Baranski, Mariusz. "FE analysis of coupled electromagnetic-thermal phenomena in the squirrel cage motor working at high ambient temperature." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 38, no. 4 (July 1, 2019): 1120–32. http://dx.doi.org/10.1108/compel-10-2018-0384.

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Purpose This paper aims to elaborate the method and algorithm for the analysis of the influence of high temperature on electric and thermal properties of the materials, as well as thermal phenomena process. Design/methodology/approach The paper presents specially author’s software for the transient finite element analysis of coupled electromagnetic-thermal problems in a squirrel cage induction motor. The numerical implementation is based on finite element method and step-by-step algorithm. The nonlinearity of a magnetic circuit, the dependence of electric and thermal parameters on temperature, the movement of a rotor and skewed rotor bars have been taken into account. To verify the developed algorithm and software, the influence of high ambient temperature on selected electromagnetic and thermal parameters of the induction motor was examined. Findings The results of simulations compared with measurements confirm the adequacy of this approach to the analysis of coupled electromagnetic-thermal problems. Research limitations/implications 3D effects have only been taken into account when using quasi-3D techniques (e.g. the multi-slice for skewed rotor slots). Practical implications The author’s software developed can be useful in the analysis and design of squirrel cage motors, especially motors working in high ambient temperature. Originality/value The paper offers appropriate author’s software for the transient and steady-state analysis of coupled electromagnetic and thermal problems in squirrel cage motors with skewed slots.

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27

Gieras, J. F., and H. H. Buhlmann. "Computer-Controlled Induction Motor Drive for Teaching Purposes." International Journal of Electrical Engineering & Education 30, no. 1 (January 1993): 77–87. http://dx.doi.org/10.1177/002072099303000114.

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Computer-controlled induction motor drive for teaching purposes A digital-computer-controlled variable-speed drive with 1.5 kW induction motor has been designed. The commercial squirrel cage as well as solid steel rotors have been applied. The load characteristics for speed control (open and closed-loop) have been presented and discussed.

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C, Engr Okolo Chidiebere. "Maximizing the Efficiency of 3-Phase Induction Motors (Squirrel Cage Motor)." International Journal for Research in Applied Science and Engineering Technology 6, no. 4 (April 30, 2018): 2404–9. http://dx.doi.org/10.22214/ijraset.2018.4409.

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29

Singh, R. Raja, Ghanishtha Bhatti, Dattatraya Kalel, Indragandhi Vairavasundaram, and Faisal Alsaif. "Building a Digital Twin Powered Intelligent Predictive Maintenance System for Industrial AC Machines." Machines 11, no. 8 (August 2, 2023): 796. http://dx.doi.org/10.3390/machines11080796.

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Predictive maintenance is a system’s competency in distinguishing future scenarios where the machine is likely to fail and schedule repairs just prior to this happening. A heuristic technology to enable efficient predictive maintenance is digital twin technology. The development of a twin system between real-time machinery and the virtual world is made possible by digital twin technology, which is ideal for predictive maintenance. Induction motors, which are the core of industrial machinery, are sparsely represented in the digital twin domain. Therefore, this study created a digital twin of a squirrel cage induction motor, utilizing data-driven modeling and multiple physics, and integrated it with a custom predictive maintenance system. The purpose of this study is to implement digital twin technology for induction motors for fault diagnosis and predictive maintenance. This framework can extrapolate running parameters to presciently detect motor remaining useful lifetime as well as erratic fault diagnosis. The experimental setup for the 2.2 kW squirrel cage induction motor has been integrated into the digital workspace via the dSPACE MicroLabBox controller to allow frequent calibration and reference signal setup. The resultant digital framework deployed on MATLAB Simulink provided high accuracy without placing a great computational load on the processor. The proposed model’s commercial application may open the way for computational intelligence in Industry 4.0 adoption of induction motors.

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30

Solomin, Vladimir A., Anastasia A. Bichilova, Larisa L. Zamshina, and Nadezhda A. Trybitsina. "Adjustable Squirrel-Cage Linear Induction Motor for Magnetic Levitation Transport." Transportation systems and technology 3, no. 4 (December 15, 2017): 127–49. http://dx.doi.org/10.17816/transsyst201734127-149.

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The article deals with linear induction motor (LIM) with a squirrel-cage winding of the secondary element (SE), which functions as the armature of the machine. Linear location of squirrel-cage winding of the secondary element of LIM allowed suggesting a number of options for the regulation of the winding resistance of SE. Objective. Development and research of LIM with adjustable winding resistance of the secondary element for magnetic levitation transport, and the study of the properties of adjustable LIM. At the modern level of development of the electrical engineering, asynchronous electric drive and magnetic levitation transport, the primary method of changing the frequency rotation of motor and speed of linear motion of high-speed transport vehicles is frequency control. Frequency control allows changing the frequency of rotation of the machine and linear speed of LIM smoothly and in broad diapason. The high cost of static electronic converters of high power limits the large-scale application of frequency control. The increase of the current frequency also leads to lower torque and traction. Results. According to the authors, the application of the adjustable linear induction motors with variable resistances of short-circuited windings of the secondary elements will allow to expand the range of control of LIM, intended for high-speed magnetic levitation transport with the realisation of large traction, including the start (starting the vehicle) by means of current displacement in the groove of the secondary element of the LIM. Conclusion. The linear induction motors of this type, as well as the calculation of the magnetic field in the groove of the secondary element, and evaluation of the influence of the current displacement on the starting and controlling features of the machine are considered.

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Herbert, Walt A. "Totally Enclosed Fan-Cooled Squirrel-Cage Induction Motor Options." IEEE Transactions on Industry Applications 50, no. 2 (March 2014): 1590–98. http://dx.doi.org/10.1109/tia.2013.2288216.

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32

Dwivedi, Ankita, S. K. Singh, and R. K. Srivastava. "Equivalence Between Squirrel Cage and Sheet Rotor Induction Motor." Journal of The Institution of Engineers (India): Series B 97, no. 2 (March 29, 2015): 121–25. http://dx.doi.org/10.1007/s40031-015-0193-5.

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33

Kim, Min-Huei. "Parameters Estimation of Five-phase Squirrel-Cage Induction Motor." Transactions of the Korean Institute of Electrical Engineers 61, no. 4 (December 1, 2012): 199–205. http://dx.doi.org/10.5370/kieep.2012.61.4.199.

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34

Onodera, S., and K. Yamasawa. "Electromagnetic vibration analysis of a squirrel-cage induction motor." IEEE Transactions on Magnetics 29, no. 6 (November 1993): 2410–12. http://dx.doi.org/10.1109/20.281000.

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Pieńkowski, Krzysztof. "Analysis and control of dual stator winding induction motor." Archives of Electrical Engineering 61, no. 3 (September 1, 2012): 421–38. http://dx.doi.org/10.2478/v10171-012-0033-z.

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Analysis and control of dual stator winding induction motor The paper presents the mathematical models of dual stator squirrel-cage induction motor, formulated in phase coordinate system and in general transformed space vector form. The two types of models of dual stator induction motor are considered. The control systems of field-oriented control (IFOC and DFOC) and direct torque control (DTC) of the dual stator induction motor have been described and discussed.

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Kara, Dawid, Tomasz Kołacz, and Jerzy Skwarczyński. "Electrical machines with switched and modulated flux." Science, Technology and Innovation 8, no. 1 (April 7, 2020): 1–12. http://dx.doi.org/10.5604/01.3001.0013.8981.

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The work compares the value of the produced torque (average value) of a 2.2kW squirrel cage induction motor with new construction machines, i.e. a motor with flux switching and hybrid excitation or DC excited, a motor with flux modulation and hybrid excitation or DC excitation. The external dimensions of the tested machines corresponded to the dimensions of the induction motor.

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Lee, Sang Yul, and Sang Yong Lee. "A Study on the Microstructural Defects in Slots of Thixoformed Copper Rotor." Solid State Phenomena 116-117 (October 2006): 300–303. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.300.

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Cu-Ca alloys and the squirrel cage rotors for induction motors of small capacities were used for the development of thixoforming processes. Processing conditions, motor efficiency and forming defects in macro- and microscale for thixoforming of Cu-Ca rotors have been performed to investigate the microstructural features and the filling phenomena in slots of squirrel cage rotor. Inadequate filling due to the complexity of slot structure, separation of solidified metal from the slot, porosities and phase inhomogenitites were typical microstructural defects found in thixoformed Cu-Ca rotors. Exact flow control in terms of billet and die temperatures at slot gate especially, was necessary to prevent significant defects such as incomplete filling of slot.

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Atig, Mahdi, Mustapha Bouheraoua, and Rabah Khaldi. "Thermal Study of Three-Phase Squirrel Cage Induction Motor with the Open-Phase Fault Operation Using a Lumped Parameter Network (LPTN)." European Journal of Electrical Engineering 23, no. 2 (April 23, 2021): 87–94. http://dx.doi.org/10.18280/ejee.230201.

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The aim of this paper is to estimate the induction motor temperature at both steady and transient thermal states under healthy and faulty conditions. The distribution of the temperature in the motor is calculated using thermal models based on the 2D Lumped Parameter Thermal Network (LPTN). The thermal model takes into account the heat sources, convection heat transfer and the thermal resistances in the motor. The heat flow generated by the conduction and convection in a three-phase squirrel cage induction motor is discussed. The developed model is used to study the motor thermal behavior during the opening phase situation. The results obtained by the model developed are validated by experimental tests. The tested machine is a standard three-phase, 4-pole, 2.2 kW, 380 V squirrel cage induction motor of Totally Enclosed Fan Cooled “TEFC” design manufactured in Algeria by Electro-Industries company. The simulated temperatures so obtained are in good agreement with the measured ones, and the 2D Lumped Parameter Thermal Network study seems to be appropriate to characterize the heating of the active parts of the machine under different operating conditions.

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Yetgin, Asim Gökhan, and Mustafa Turan. "EFFICIENCY OPTIMIZATION OF SLITTED–CORE INDUCTION MOTOR." Journal of Electrical Engineering 65, no. 1 (January 1, 2014): 60–64. http://dx.doi.org/10.2478/jee-2014-0009.

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Abstract In this study, a 3kW squirrel cage induction motor having slits in stator and rotor teeth were examined. The slit depth and width in the 56 different slitted motor models were optimized with Finite Element Method Magnetics (FEMM) software by using Finite Elements Method (FEM). What value the depth and width of optimum slit should be was determined in order to obtain maximum motor efficiency in the new motor models created with the proposed slitted structure, and how the depth and width of slit could affect the performance of motor was demonstrated.

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Khalid G. Mohammad. "NEW DESIGN CORRELATIONS FOR SINGLE PHASE INDUCTION MOTOR SQUIRREL CAGE." Diyala Journal of Engineering Sciences 3, no. 2 (December 1, 2010): 133–39. http://dx.doi.org/10.24237/djes.2010.03210.

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In this research, new easy and fast correlations derived from practical data for the design single phase squirrel cage induction motor that enable us to select its main dimensions with depending on the required power, see fig.(1), also making empirical correlations connecting between the motor power and its dimensions for multi-ranges. Data of these correlations were got practically and formulated mathematically by using Mathematical Matrix Model is called Pseudo Inverse.

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41

Glowacz, Adam. "Diagnostics of Rotor Damages of Three-Phase Induction Motors Using Acoustic Signals and SMOFS-20-EXPANDED." Archives of Acoustics 41, no. 3 (September 1, 2016): 507–15. http://dx.doi.org/10.1515/aoa-2016-0049.

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AbstractA fault diagnostics system of three-phase induction motors was implemented. The implemented system was based on acoustic signals of three-phase induction motors. A feature extraction step was performed using SMOFS-20-EXPANDED (shortened method of frequencies selection-20-Expanded). A classification step was performed using 3 classifiers: LDA (Linear Discriminant Analysis), NBC (Naive Bayes Classifier), CT (Classification Tree). An analysis was carried out for incipient states of three-phase induction motors measured under laboratory conditions. The author measured and analysed the following states of motors: healthy motor, motor with one faulty rotor bar, motor with two faulty rotor bars, motor with faulty ring of squirrel-cage. Measured and analysed states were caused by natural degradation of parts of the machine. The efficiency of recognition of the analysed states was good. The proposed method of fault diagnostics can find application in protection of three-phase induction motors.

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Korobeynikov, B. A., A. M. Oppakhodzhaev, and D. I. Sidorov. "Vector Simulation of Deep-Bar Induction Motor." Journal of Physics: Conference Series 2096, no. 1 (November 1, 2021): 012100. http://dx.doi.org/10.1088/1742-6596/2096/1/012100.

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Abstract The paper considers a mathematical model of a deep-bar induction motor with a squirrel-cage rotor in the generalized vector coordinates. The transition from the induction motor mathematical in the phase coordinate system to the motor’s vector model in the generalized vector coordinates is shown, which allows obtaining a simpler induction motor model applicable for the analysis of steady-state and transient modes. A new approach to simulating a motor in the form of an electric circuit is not only inductances but also complex resistances interconnected.

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Nambia, Renjini E. "Motor Current Signature Analysis for Speed Estimation." Asian Journal of Electrical Sciences 8, S1 (June 5, 2019): 29–32. http://dx.doi.org/10.51983/ajes-2019.8.s1.2312.

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The induction motors are widely applied due to their low price and ruggedness. There are several methods for speed estimation in the literature. The optical tachometer is an expensive and less reliable method for the speed measurement. Hence sensor less method for speed estimation is an important topic of research. In this paper, speed estimation of induction motor using motor current signature analysis is done. The comparative study of different methods shows that the motor current signature analysis (MCSA) is more accurate in speed estimation. This technique is experimentally verified on a 5HP, 3.7kW, 1430rpm 415V, 50Hz, 7.5A, 3Ø squirrel cage induction motor using LabVIEW. The experimental and simulation results show that the overall speed estimation error is within 5 rpm.

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Bui, Minh Dinh, Duc Hung Bui, Viet Linh Trieu, and Quoc Vuong Dang. "Improved Torque and Efficiency of Induction Motors by Changing Rotor Structure of Permanent Magnet Assistance Synchronous Reluctance Motors." Journal of Technical Education Science, no. 71A (August 30, 2022): 1–7. http://dx.doi.org/10.54644/jte.71a.2022.1145.

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Many authors have recently studied line start permanent magnet assistance synchronous reluctance. This paper presents a method to improve the electromagnetic torque and efficiency of induction motors of 7.5kW-4P (which consists of 36 stator slots and 40 rotor bars) by changing the design of the permanent magnet assistance synchronous reluctance rotors. This means that permanent magnets will be inserted to the squirrel cage induction motors (induction motors). The electromagnetic torque and efficiency of an induction motor is analyzed and compared with that of the line-start synchronous reluctance motor via a finite element analysis. In addition, the influence of position and length permanent magnets on the electromagnetic torque and efficiency of the line-start synchronous reluctance motor is also considered and simulated. The model of this motor Linh is finally designed with four U layered- magnet rotor to verify the developed method. The development of the method is also validated on the practical induction motor.

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Kim, Min-Huei, Hyung-Woo Jung, and Hyun-Jik Song. "Development of Squirrel-Cage Induction Motor for 5-Phase 1.5kW." Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 28, no. 1 (January 31, 2014): 57–68. http://dx.doi.org/10.5207/jieie.2014.28.1.057.

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46

Ishibashi, Fuminori, Shinich Noda, and Sadaaki Mori. "Electromagnetic Vibration of Small Squirrel Cage Three-Phase Induction Motor." IEEJ Transactions on Industry Applications 112, no. 3 (1992): 307–13. http://dx.doi.org/10.1541/ieejias.112.307.

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47

Filho, E. Ruppert, E. Avólio, and R. R. Riehl. "Three-phase squirrel-cage induction motor dynamic thermal mathematical model." IEEJ Transactions on Industry Applications 116, no. 7 (1996): 794–99. http://dx.doi.org/10.1541/ieejias.116.794.

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48

Annuar, K. A. M., M. R. Sapiee, Rozilawati M. Nor, M. S. M. Azali, M. B. N. Shah, and Sahazati Md Rozali. "Squirrel cage induction motor scalar control constant V/F analysis." TELKOMNIKA (Telecommunication Computing Electronics and Control) 17, no. 1 (February 1, 2019): 417. http://dx.doi.org/10.12928/telkomnika.v17i1.8818.

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49

Li, Shanshan, Ninghui Zhu, Biao Wei, and Yunji Fu. "On-Line Parameter Identification of a Squirrel Cage Induction Motor." Journal of Physics: Conference Series 1302 (August 2019): 022054. http://dx.doi.org/10.1088/1742-6596/1302/2/022054.

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50

Mier, L. A., J. S. Benitez, R. Lopez, J. A. Segovia, R. Pena, and F. J. Ramirez. "Adaptive Fuzzy Control System for a Squirrel Cage Induction Motor." IEEE Latin America Transactions 15, no. 5 (May 2017): 795–805. http://dx.doi.org/10.1109/tla.2017.7910191.

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