Bibliografías temáticas / Induction motor with copper bars in rotor cage

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Literatura académica sobre el tema "Induction motor with copper bars in rotor cage"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 14 de febrero de 2022

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Artículos de revistas sobre el tema "Induction motor with copper bars in rotor cage"

Leicht, Aleksander y Krzysztof Makowski. "Influence of shape and material of rotor bars on performance characteristics of single-phase self-excited induction generators". COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 38, n.º 4 (1 de julio de 2019): 1235–44. http://dx.doi.org/10.1108/compel-10-2018-0430.

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Purpose The purpose of the paper is to present an analysis of an influence of shape and material of rotor bars on the process of self-excitation and performance characteristics of single-phase, self-excited induction generator (SP-SEIG). Design/methodology/approach The presented analysis is based on the results of transient simulations of SP-SEIG performed with the use of field-circuit model of the machine. Four various shapes of the rotor bars and two different conductor materials were investigated. The results for the base model with rounded trapezoidal rotor slots were validated by measurements. Findings An improvement of the performance characteristics – the extension of the stable operating range of the generator – was obtained for rectangular copper rotor bars. The improvement is the result of strong skin effect in the squirrel rotor cage. Application of round rotor slots results in shorter time of voltage build-up during the self-excitation of the generator caused by less apparent deep bar effect in round bars. Originality/value The originality of the paper is the application of the copper rotor cage in the single-phase, self-excited induction generator. Its use is beneficial, as it allows for extension of the range of stable operating range. The results may be used for designing new constructions of the single-phase, self-excited induction generators, as well as the constructions based on general purpose single-phase induction motors.

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Nemec, Mitja, Vanja Ambrožič, Rastko Fišer, David Nedeljković y Klemen Drobnič. "Induction Motor Broken Rotor Bar Detection Based on Rotor Flux Angle Monitoring". Energies 12, n.º 5 (27 de febrero de 2019): 794. http://dx.doi.org/10.3390/en12050794.

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This paper presents a method for the detection of broken rotor bars in an induction motor. After introducing a simplified dynamic model of an induction motor with broken cage bars in a rotor field reference frame which allows for observation of its internal states, a fault detection algorithm is proposed. Two different motor estimation models are used, and the difference between their rotor flux angles is extracted. A particular frequency component in this signal appears only in the case of broken rotor bars. Consequently, the proposed algorithm is robust enough to load oscillations and/or machine temperature change, and also indicates the fault severity. The method has been verified at different operating points by simulations as well as experimentally. The fault detection is reliable even in cases where traditional methods give ambiguous verdicts.

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Bernatt, Jakub. "Squirrel cage induction motors with idle bars". Archives of Electrical Engineering 59, n.º 1-2 (1 de septiembre de 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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Bernatt, Jakub, Stanisław Gawron, Tadeusz Glinka y Artur Polak. "Traction induction motor". MATEC Web of Conferences 180 (2018): 04005. http://dx.doi.org/10.1051/matecconf/201818004005.

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The paper presents a traction induction motor with an innovative rotor winding design. The winding of the rotor is almost identical to the armature winding in the dc traction motors, with the exception of commutator. Winding is double layered. The bars are insulated. Along the iron core bars are secured with wedges and in the winding outhang with bandages. The bars of the bottom layer in the winding outhang part near the iron core are bent radially in the direction of the shaft axis. On the winding outhang of the bottom layer an inner bandage is applied. On the winding outhang of the top layer an outer bandage is applied. All the ends of the bottom and top layers bars, on both sides of the rotor’s core, are connected together by ferrule. There is a ring placed on the shaft or on the coil support on one side of the rotor’s core. It is best if this ring is made of copper. The ring is characterized by mp tongues, which are distributed evenly along its circumference (p is number of winding pole pairs and m is number of rotor winding phases). Tongues are connected to equally uniformly placed ferrules. Bandages are made of carbon fibre or glass fibre tape.

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Kim, Jongbaeg y Michael D. Bryant. "Bond Graph Model of a Squirrel Cage Induction Motor With Direct Physical Correspondence". Journal of Dynamic Systems, Measurement, and Control 122, n.º 3 (4 de enero de 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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Xie, Ying, Ze Wang, Xueting Shan y Yangyang Li. "Investigation of rotor thermal stress in squirrel cage induction motor with broken bar faults". COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 35, n.º 5 (5 de septiembre de 2016): 1865–86. http://dx.doi.org/10.1108/compel-10-2015-0372.

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Purpose Thermal stress of the rotor in a squirrel cage induction motor is generated due to the temperature rise, and the structure of the rotor will be destroyed if the stress acted on the rotor exceeds its limits, so the thermal stress is also one of the main causes led to broken bar fault. The purpose of this paper is to report the thermal stress coupled analysis for the induction motor with healthy and faulty rotor, and to find the variation tendency of the temperature and thermal stress due to broken bars, and the part most likely to break in the rotor as a result of the thermal stress load are identified. Design/methodology/approach The steady temperature and thermal stress of the rotor in the case of the healthy and faulty conditions are calculated by finite element method, and the 3D model of the motor used in the experiments is established and the experimental results are presented for both healthy and faulty machines. Findings The influence of the broken bars fault on the motor thermal profile and thermal stress can be found, and it explains why the breaking point always appears in the joint of the bars and end rings. Originality/value The paper presents the 3D thermal stress coupled model and performance characteristics of induction motor with broken bars. The reasonable constraint is established according to the contact of components each other, and more reasonable fracture location is selected. The results obtained by the simulation model are in a good agreement with practical situation, because the effect of skewed rotor were taken into consideration in the process of simulation.

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Perahia, J. y C. V. Nayar. "Generalized Machine Theory Applied to a Three Phase Twin Stator Squirrel-Cage Induction Motor". International Journal of Electrical Engineering & Education 31, n.º 2 (abril de 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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Sim, J., K. Lee, G. Cha y J. K. Lee. "Development of a HTS Squirrel Cage Induction Motor With HTS Rotor Bars". IEEE Transactions on Appiled Superconductivity 14, n.º 2 (junio de 2004): 916–19. http://dx.doi.org/10.1109/tasc.2004.830317.

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Misra, Rajul y G. L. Pahuja. "Fuzzy Logic Based Rotor Health Index of Induction Motor". International Journal of Emerging Electric Power Systems 16, n.º 5 (1 de octubre de 2015): 443–49. http://dx.doi.org/10.1515/ijeeps-2015-0032.

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Abstract This paper presents an experimental study on detection and diagnosis of broken rotor bars in Squirrel Cage Induction Motor (SQIM). The proposed scheme is based on Motor Current Signature Analysis (MCSA) which uses amplitude difference of supply frequency to upper and lower side bands. Initially traditional MCSA has been used for rotor fault detection. It provides rotor health index on full load conditions. However in real practice if a fault occurs motor can not run at full load. To overcome the issue of reduced load condition a Fuzzy Logic based MCSA has been designed, implemented, tested and compared with traditional MCSA. A simulation result shows that proposed scheme is not only capable of detecting the severity of rotor fault but also provides remarkable performance at reduced load conditions.

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Kathir, I., S. Balakrishnan y B. V. Manikandan. "Broken Rotor Bar Detection Using High Frequency Loss Calculation of Induction Motor". Applied Mechanics and Materials 573 (junio de 2014): 728–33. http://dx.doi.org/10.4028/www.scientific.net/amm.573.728.

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This paper proposes a technique for the identification of defects of three-phase squirrel cage induction motors. Simulations were performed using ANSYS finite element software package to obtain the flux density waveform in the air gap. Broken rotor bar fault was simulated by breaking rotor bars to see how the flux density is affected. In this paper, a new approach for the identification of broken rotor bar based on the calculation of high-frequency losses in induction motors is presented. The approach presented in this paper requires little time for loss calculation and fault identification.

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Tesis sobre el tema "Induction motor with copper bars in rotor cage"

Trn, Ondřej. "Studie využití měděných tyčí a soustředěného vinutí v asynchronním motoru". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-403758.

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This diploma thesis deals with the possibility of using a concentrated winding in an induction motor and the use of copper bars in a rotor cage. The first part of the thesis explains the basic theoretical knowledge of the operation and principle of the induction machine. In this theoretical part we will learn what is actually a concentrated winding and how it is placed on the stator. The second part is focused on the analytical design of the machine with classical distributed winding and with concentrated winding. The third theoretical part is an introduction to the issue of influencing the motor harmonics. The last final part of the thesis shows differences in operational properties of designed machines.

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Dias, Cleber Gustavo. "Proposta de um novo método para a detecção de barras rompidas em motores de indução com rotor em gaiola". Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-15092006-165225/.

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O estudo das condições de operação de um motor de indução em um ambiente industrial é indispensável, tendo em vista que eventuais problemas podem contribuir para um prejuízo na produção, ou ainda para custos adicionais relacionados à falta de manutenção dos equipamentos. Uma das principais falhas que podem ocorrer em um motor de indução do tipo gaiola de esquilo durante sua operação é o rompimento de uma ou mais barras que compõem o seu rotor. Apresenta-se neste trabalho um novo método para auxiliar na detecção de barras quebradas em um rotor tipo gaiola de esquilo, para um motor de grande porte, durante sua operação em regime permanente. A partir de um modelo matemático foi possível avaliar o rompimento de barras do rotor, detectando em uma posição específica, a variação da densidade de fluxo magnético resultante, produzida pela contribuição do fluxo de dispersão de cada barra do rotor, bem como pelo fluxo criado pelas correntes do estator. Um sensor de efeito Hall é instalado entre duas bobinas do estator, a fim de representar a posição onde é realizado o cálculo da densidade de fluxo magnético resultante pela modelagem matemática proposta. O sinal gerado pelo sensor a partir de uma falha é comparado com aquele obtido a partir do rotor saudável, para posterior análise. O trabalho sugere ainda a aplicação do método de detecção da falha em conjunto com uma técnica de inteligência artificial baseada nas redes neurais artificiais, a fim de contribuir para o diagnóstico da falha e estimativa do número de barras rompidas. Os resultados obtidos da simulação, bem como os dados obtidos durante o ensaio são apresentados e usados na validação do modelo matemático desenvolvido.
The study of operational conditions of an induction motor in an industrial environment is indispensable, once eventual problems can contribute for production losses, or still for additional costs related to the lack of equipments maintenance. Among the principal faults, in a squirrel cage induction motor can occur the breaking of one or more rotor bars. This work presents a new method in aid of detection of broken bars in a large squirrel cage induction motor during its operation in steady-state. A mathematical model is used to evaluate the broken rotor bars, detecting in a specific point, the resulting magnetic flux density produced by the leakage flux created by the rotor and stator currents. The Hall effect sensor is installed between two stator coils, in order to represent the position where the resulting magnetic flux density is calculated by the proposed mathematical model. The signal detected in the sensor during a fault, is compared to the obtained result of the magnetic flux density from a healthy rotor for analysis. The work still suggests the application of the artificial intelligence technique, based on artificial neural networks in the mathematical model, in order to aid on the fault detection and estimate of the number of broken bars. The simulation and experimental results are presented in order to validate the developed mathematical model.

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張明裕. "Study of Squirrel Cage Induction Motor Performance with Die-cast Copper Rotor". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/58612690784549694734.

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碩士
國立彰化師範大學
電機工程學系
101
In this thesis, the effect of different rotor conductor materials for the motor characteristics is studied. During the experiment, two induction motors are drived to measurement, a induction motor are installed by aluminum rotor and the other one is by copper rotor, and an inverter is used to drive them to operate at various speeds to measure the motor phase current as well as the size of the input power, and the measured induction motor in the long-term operation under conditions of temperature changes, to observe the rotor conductor material for induction motor. A 2-pole, 370 W induction motor is choose, which installed by aluminum die-cast rotor and copper die-cast rotor induction motors respectively. By the experiment results, the average input power of die-cast copper rotor induction motor is 93.3 % to die-cast aluminum rotor induction motor, and the average phase current is 97.8 % to die-cast aluminum rotor induction motor. Finally, when motor operate one hour without cooling fan, the temperature of die-cast copper rotor induction motor is lower 0.7℃ than die-cast aluminum rotor induction motor.

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Capítulos de libros sobre el tema "Induction motor with copper bars in rotor cage"

Ishikawa, Takeo. "Failure Diagnosis of Squirrel-Cage Induction Motor with Broken Rotor Bars and End Rings". En Induction Motors - Applications, Control and Fault Diagnostics. InTech, 2015. http://dx.doi.org/10.5772/60964.

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Actas de conferencias sobre el tema "Induction motor with copper bars in rotor cage"

Unsal, Abdurrahman y Ozkan Kara. "Modeling of broken rotor bars in a squirrel-cage induction motor". En 2013 IV International Conference on Power Engineering, Energy and Electrical Drives (POWERENG). IEEE, 2013. http://dx.doi.org/10.1109/powereng.2013.6635855.

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Saddam, Bensaoucha, Bessedik Sid Ahmed, Ameur Aissa y Teta Ali. "Squirrel Cage Induction Motor under Stator and Rotor Bars Faults Modeling and Diagnosis". En 2018 International Conference on Communications and Electrical Engineering (ICCEE). IEEE, 2018. http://dx.doi.org/10.1109/ccee.2018.8634502.

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Ouachtouk, Ilias, Soumia El Hani, Said Guedira, Lahbib Sadiki y Khalid Dahi. "Modeling of squirrel cage induction motor a view to detecting broken rotor bars faults". En 2015 International Conference on Electrical and Information Technologies (ICEIT). IEEE, 2015. http://dx.doi.org/10.1109/eitech.2015.7163001.

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Luo Ming, Liu Zhenxing, Zhou Heng, Zhang Xue y Gao Fangying. "Diagnosis simulation of broken rotor bars in squirrel cage induction motor fed with variable frequency power". En 2008 Chinese Control Conference (CCC). IEEE, 2008. http://dx.doi.org/10.1109/chicc.2008.4605438.

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Muteba, Mbika. "Comparison of Dynamic Behaviors between a Synchronous Reluctance Motor with Brass Rotor Bars and a Squirrel Cage Induction Motor". En 2019 IEEE PES/IAS PowerAfrica. IEEE, 2019. http://dx.doi.org/10.1109/powerafrica.2019.8928746.

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Kim, Kwangsoo, Seung-Bin Lim y Ju Lee. "Design of rotor slot of single phase induction motor with copper die-cast rotor cage for high efficiency". En INTELEC 2009 - 2009 International Telecommunications Energy Conference. IEEE, 2009. http://dx.doi.org/10.1109/intlec.2009.5352013.

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Joksimovic, Gojko, Aldin Kajevic, Mario Mezzarobba y Alberto Tessarolo. "Optimal Rotor Bars Number in Four Pole Cage Induction Motor with 36 Stator Slots—Part II: Results". En 2020 International Conference on Electrical Machines (ICEM). IEEE, 2020. http://dx.doi.org/10.1109/icem49940.2020.9270690.

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Gritli, Y., A. O. Di Tommaso, F. Filippetti, R. Miceli, C. Rossi y A. Chatti. "Investigation of motor current signature and vibration analysis for diagnosing rotor broken bars in double cage induction motors". En 2012 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2012). IEEE, 2012. http://dx.doi.org/10.1109/speedam.2012.6264465.

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Joksimovic, Gojko, Aldin Kajevic, Mario Mezzarobba y Alberto Tessarolo. "Optimal Rotor Bars Number in Four Pole Cage Induction Motor with 36 Stator Slots - Part I: Numerical Modeling". En 2020 International Conference on Electrical Machines (ICEM). IEEE, 2020. http://dx.doi.org/10.1109/icem49940.2020.9270911.

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Duan, Yubo, Zhongxue Yang, Ying Xie, Haidong Liu y Ze Wang. "Electromagnetic Force Calculation and Structural Static Analysis of the Rotor in Squirrel-Cage Induction Motor with Broken Bars during Startup". En 2016 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2016. http://dx.doi.org/10.1109/vppc.2016.7791675.

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