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Dissertations / Theses on the topic 'Squirrel-cage induction motor'

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Published: 4 June 2021

Last updated: 26 July 2025

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1

Chaudhary, Sumeet. "Lightweight Electromagnetic Induction Motor." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1581333548692675.

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2

Sekar, Booma Devi. "Hybrid intelligent technology based fault diagnosis system for squirrel cage induction motor." Thesis, University of Macau, 2007. http://umaclib3.umac.mo/record=b1678023.

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3

Khoury, Gabriel. "Energy efficiency improvement of a squirrel-cage induction motor through the control strategy." Phd thesis, Toulouse, INPT, 2018. http://oatao.univ-toulouse.fr/19777/1/Gabriel_Khoury.pdf.

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Energy efficiency optimization of electric machines is an important research field and is part of the objectives of several international projects such as the European Commission Climate and Energy package which has set itself a 20% energy savings target by 2020, and was extended for 2030 with higher targets. Therefore, this thesis proposes an efficiency optimization method of the Induction Machine (IM) through the variation of the control parameters. To achieve this goal, the flux in the airgap is modified according to an optimal flux table computed off-line for all possible operating points.

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4

Pye, Gregory. "Precision position control of a three-phase squirrel-cage induction motor using vector control." Thesis, University of Reading, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357862.

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5

Chan, Si Leong. "Novel Fuzzy-Neural Networks technology for diagnosing internal fault of three-phase squirrel cage induction motor." Thesis, University of Macau, 2008. http://umaclib3.umac.mo/record=b1807118.

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6

Mehrotra, Prashant. "Artificial neural networks in induction motor speed estimation and control." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0001/NQ42482.pdf.

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7

Pitis, Constantin Danut. "Novel method of improving squirrel cage induction motor performance by using mixed conductivity fabricated rotors (MCFR) / Constantin Danut Pitis." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1466.

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The ideal squirrel cage motor should have a varying rotor resistance; large at standstill, and decreasing as the speed rises. Overseas - designed high impedance rotors try to fulfil these conditions - mostly used are double cage rotors and die cast aluminium rotors. However, in the South African coal-mining industry these rotors recorded high rate failures with heavy financial losses. As a result, the need for an alternative rotor type that was able to comply with basic conditions ignored before appeared on the market: • Higher reliability with extended life expectancy • Lower total ownership

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8

Roeber, Jochen Erich. "Influence of higher time harmonics on the electrical and mechanical performance of an inverter-fed squirrel cage induction motor." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/19507.

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Due to the ruggedness, reliability and low maintenance required, small inverter-fed induction motors (1.5 kW to 25 kW) have earned a reputation and are utilized more and more frequently in industry for variable speed applications. The applied voltage and current waveforms are generally quite non-sinusoidal and polluted with higher time harmonic components. The higher time harmonics affect the electrical and mechanical performance significantly, and adverse effects are investigated. Literature on the effect of higher time harmonics is reviewed. Recommendations referring to various aspects under

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9

Nytko, Billy J. "Modeling and demonstrating regenerative braking of a squirrel cage induction motor with various deceleration rates using V by F control." Thesis, Monterey, California : Naval Postgraduate School, 2010. http://edocs.nps.edu/npspubs/scholarly/theses/2010/Jun/10Jun%5FNytko.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, June 2010.<br>Thesis Advisor(s): Julian, Alexander L. ; Cristi, Roberto. "June 2010." Description based on title screen as viewed on July 16, 2010. Author(s) subject terms: Regenerative Braking, dynamic braking, rheostatic braking, all electric vehicle, all electric ship. Includes bibliographical references (p. 127-128). Also available in print.

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10

Nascimento, Carlos Sonier Cardoso do. "Diretrizes analíticas para projeto de geradores de indução de rotor tipo gaiola de esquilo." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/116626.

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Comumente, as máquinas de indução são projetadas para atuarem como motores. Assim, a presente tese objetiva estudar, analisar e construir um protótipo de máquina de indução concebida para atuar, exclusivamente, como gerador de indução, ou seja, impulsionada acima da velocidade síncrona. As características operacionais ideais em regime permanente são elaboradas intentando diretrizes de projeto. Concomitantemente, o estudo apresenta e investiga modelagens analíticas obtidas por parâmetros concentrados e, também, modelagens numéricas realizadas pelo método dos elementos finitos. Para isto, um ger

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11

Dejan, Reljić. "Otkrivanje kvara rotora kaveznog asinhronog motora primenom tehnika analize terminalnih veličina." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2017. https://www.cris.uns.ac.rs/record.jsf?recordId=104840&source=NDLTD&language=en.

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U disertaciji je predložena metoda za pouzdano otkrivanje kvara rotoratrofaznog kaveznog asinhronog motora. Metoda je zasnovana naidentifikaciji obeležja kvara rotora iz signala terminalnih veličinajednofazno napojenog trofaznog kaveznog motora u stacionarnom stanjupogona. Predložena metoda eliminiše potrebu za postojanja opterećenjamotora, što je osnovna prednost u odnosu na rešenja iz literature. Svateorijska razmatranja su praćena odgovarajućim rezultatima računarskihsimulacija, da bi se potom sprovela eksperimentalna verifikacija ipotvrdila efikasnost predložene metode. Takođe, predstavlje

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12

Victor, Valci Ferreira. "Viabilidade da Utiliza??o de M?quinas de Indu??o Convencionais como Motores sem Mancais Mec?nicos." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15456.

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Made available in DSpace on 2014-12-17T14:56:08Z (GMT). No. of bitstreams: 1 ValciFV_TESE.pdf: 3670403 bytes, checksum: d8b060478983488207d8885853eac60d (MD5) Previous issue date: 2012-11-05<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Electrical Motors transform electrical energy into mechanic energy in a relatively easy way. In some specific applications, there is a need for electrical motors to function with noncontaminated fluids, in high speed systems, under inhospitable conditions, or yet, in local of difficult access and considerable depth. In these cases, the mot

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13

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 por

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14

Stavrou, Andreas. "Analysis and simulation of faults in squirrel cage motors." Thesis, University of Aberdeen, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390266.

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Condition based maintenance of electrical machines offers significant advantages for industry. A large part of the research effort in this area is directed towards the evaluation of fault conditions. This thesis is concerned with analysing and modelling faults in induction motors. A method for evaluating the performance of induction machines with static and dynamic eccentricity is developed, using harmonic analysis of the air gap permeance. Models able to simulate eccentricity are presented. The slip ring model equations are obtained and then used to obtain the commutator models transformed to

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15

Chaudhari, Subodh. "Load based energy savings in three phase squirrel cage induction motors." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3749.

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Thesis (M.S.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains x, 147 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 117-121).

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16

Wu, Zhiqiao. "An investigation of dual stator winding induction machines : a dissertation presented to the faculty of the Graduate School, Tennessee Technological University /." Click to access online version, 2006. http://proquest.umi.com/pqdweb?index=91&did=1296091351&SrchMode=1&sid=1&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1255463925&clientId=28564.

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17

Hosni, Houssem. "Conception d’un jumeau numérique pour un procédé d’aspiration industrielle." Electronic Thesis or Diss., La Rochelle, 2022. http://www.theses.fr/2022LAROS031.

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Cette thèse est consacrée à la conception d’un jumeau numérique pour système de ventilation industriel dans un contexte de surveillance et de diagnostic. Les mesures d’entrées du modèle sont exclusivement électriques et aucun capteur mécanique n’est utilisé. Les cas particuliers de la vitesse fixe et variable sont étudiés. À vitesse constante, la démodulation des courants électriques est particulièrement étudiée et un algorithme original, basé sur un générateur de signaux orthogonaux est proposé, comparé aux principales méthodes connues, et validé expérimentalement. À vitesse variable, l’appro

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18

Kuiler, Ian Radcliffe. "Condition monitoring of squirrel cage induction generators in wind turbines." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2530.

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Thesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology, 2017.<br>Globally governments are faced with challenges in the energy sector which are exacerbated by uncertain financial markets and resource limitations. The over utilization of fossil fuels for electricity generation has had a profound impact on the climatic conditions on earth. Coal power stations release carbon dioxide (CO2) during the combustion process and studies show that concentrations have sharply risen in the atmosphere. Adverse environmental conditions like global warming exist as a result of high gr

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19

Ayhan, Bulent. "Linguistic Rule Generation for Broken Rotor Bar Detection in Squirrel-cage Induction Motors." NCSU, 2005. http://www.lib.ncsu.edu/theses/available/etd-12072005-232928/.

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In motor condition monitoring applications, traditional human expert approach for sensor exploitation is not cost-effective. The training requirements for human experts are extensive, and the overall training process is a very time-consuming task. In addition, the performance of human experts has limitations. For human experts, it is difficult to examine all the input-output data from the motor system under varying noise and motor load conditions. With a motor condition monitoring system that can automatically generate rules in the form of interpretable linguistic fuzzy "if-then" rules and mem

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20

Tami, Abdelkader. "Modeling of rotor defects in squirrel cage induction motors using the time stepping numerical field analysis." Thesis, University of Nottingham, 1995. http://eprints.nottingham.ac.uk/11762/.

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The arrival of cheap and fast microcomputers has stimulated the development of machine condition monitoring systems. Such systems measure one or more machine performance parameters, with a view to detecting the early signs of failure and initiating some form of action. To help developing these systems, a thorough knowledge of the behaviour of the machine in its post-fault condition must be well known and well understood. With this view in mind, a simple, yet reasonably accurate method of analysing the induction machine magnetic circuit under normal and abnormal conditions at moderate cost has

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21

Wu, Shuang. "A generalized inverter control method for a variable speed wind power system under unbalanced operating conditions." Cleveland, Ohio : Cleveland State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1274902463.

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Thesis (M.S.)--Cleveland State University, 2010.<br>Abstract. Title from PDF t.p. (viewed on June 3, 2010). Includes bibliographical references (p. 118-120). Available online via the OhioLINK ETD Center and also available in print.

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22

Cheang, Tak Son. "Math-model based machinery and AI-based diagnostic technologies for detecting and locating the inner-faults of three-phase squirrel-cage induction motors." Thesis, University of Macau, 2010. http://umaclib3.umac.mo/record=b2148534.

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23

Syed, Altaf Ahmad. "Applied Fuzzy Logic Controls for Improving Dynamic Response of Induction Machines." Connect to resource online, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1219671348.

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24

Hsieh, Chung-Hsiang, and 謝仲翔. "Dynamic Modeling of SVPWM Fed Squirrel Cage Induction Motor Drive." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/52188091067683917508.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>105<br>With the advance of science and technology, motors are wildly used in industry, daily life and traffic. Nowadays, people are using motor controlled by digital signal rather than those using carbon brush to reduce the instability and cost. Sinusoidal Pulse Width Modulation(SPWM) and Space Vector Pulse Width Modulation(SVPWM) are usually used to control AC motors. For SPWM, we produce sinusoidal power sources whose frequency and magnitude can be tuned. For SVPWM, we consider the inverter and AC motor as a system. The model of SVPWM technique is simpler, and it i

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25

Huang, Kuan-Yu, and 黃冠瑜. "Squirrel-cage Induction Motor Failure Detection Based on Wavelet transform." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/qv9wu8.

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碩士<br>中原大學<br>電機工程研究所<br>106<br>This thesis proposed a classifier combine a wavelet transform with neural network. The classifier perform a signal analysis for the stator current of the induction motor and identify faults in induction motors by the k-nearest neighbor (k-NN) algorithm. Firstly,this study proposed a classifier which combine the wavelet transform with the k-nearest neighbor algorithm. This classifier model was composed of multiple resolution analysis (MRA) of wavelet transform and k-nearest neighbor algorithm. The classifier purposed in this study has a better recognition rate th

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26

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<br>國立彰化師範大學<br>電機工程學系<br>101<br>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 m

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Kung, Yen-Hsien, and 龔晏嫺. "Three-phase squirrel cage rotor induction motor design by variable scaling hybrid differential evolution." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/58335302076960022413.

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碩士<br>明志科技大學<br>電機工程研究所<br>101<br>This thesis uses a novel evolutionary algorithm, called variable scaling hybrid differential evolution (VSHDE) method, for the design of the 3-phase, 4-pole, 220-volt, 60-Hz and 5-hp squirrel cage induction motor. To realize the induction motor design, various constraints including the current, torque, slip, magnetic flux density, power factor, system efficiency, and the size of the induction motor are considered in this thesis. And, the starting and running characteristics are also investigated. To increase the performance of the optimal design, the novel evo

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28

Pitis, Constantin. "Novel method of improving squirrel cage induction motor performance by using mixed conductivity fabricated rotors (MCFR) / Constantin Danut Pitis." Thesis, 2006. http://hdl.handle.net/10394/1466.

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29

Nair, Ramu R. "Emulation of wind turbine and sensorless control of doubly-fed induction generator for wind energy application." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/4949.

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Wind energy utilization has been growing at a rapid rate, fuelling research and development in wind turbine – generator systems. Doubly fed induction generator (DFIG) driven by a wind turbine is a commonly used wind energy conversion system. To advance research and education in wind energy conversion systems, a controlled test bed is necessary that does not depend on wind availability. Hence this thesis deals with emulation of wind turbine using a power electronic controlled squirrel cage induction motor (SCIM). The thesis also concerns improved control techniques for the DFIG to enhance the p

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Κόκκοτας, Κωνσταντίνος. "Έλεγχος ανεμογεννήτριας επαγωγικής μηχανής βραχυκυκλωμένου κλωβού με ασαφή λογική". Thesis, 2013. http://hdl.handle.net/10889/6399.

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Ένα από τα σύγχρονα προβλήματα που απασχολούν του την κοινωνία είναι το ενεργειακό πρόβλημα, απόρροια της σταδιακής εξάντλησης των συμβατικών πηγών ενέργειας. Μία ιδιαίτερα ελκυστική λύση, αποτελεί η αξιοποίηση των ανανεώσιμων πηγών ενέργειας και ειδικά του ανέμου που παρέχει την αιολική ενέργεια. Η παρούσα διπλωματική εργασία έχει ως θέμα τον έλεγχο ανεμογεννήτριας επαγωγικής μηχανής βραχυκυκλωμένου κλωβού(SCIG) με χρήση ασαφούς λογικής. Ο έλεγχος με ασαφή λογική είναι ταχέως αναπτυσσόμενος καθώς πλησιάζει πολύ στην ανθρώπινη λογική. Βασιστήκαμε πάνω σε ένα ήδη υπάρχον μοντέλο μη-γραμμικού

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31

Chiu, Shih-Fang, and 邱士芳. "Accurate Maximum Torque Derivation and Analysis of Squirrel-Cage Induction Motors." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/23161596156119184741.

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碩士<br>國立清華大學<br>電機工程學系<br>95<br>Squirrel-cage induction motors, due to their simple structure, cheaper cost and ruggedness, have been widely used in various applications. However, due to the complex dynamic model, the corresponding field oriented control characteristics are not well grasped by general engineers. Hence, in this thesis, a general flux oriented control is first proposed to unify the existing field oriented controls for easy understanding the principle. In other words, the existing field oriented controls become special cases of the proposed general flux oriented control. Also, ne

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32

Pourbeik, Peyam. "The application of cyclostationary signal processing techniques to fault detection in electrical machines." 1999. http://arrow.unisa.edu.au:8081/1959.8/83802.

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33

林岳政. "Development of an Interactive Program for Analysis Three-phase Squirrel Cage Induction Motors." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/45571511394350900909.

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34

Appiah, Edward Kofi. "Field, generalised theory and finite element analysis of a six-phase squirrel cage induction machine." 2013. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001036.

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M. Tech. Electrical Engineering.<br>Investigates the mathematical modelling, analysis and simulation of a six-phase squirrel cage induction machine. This dissertation is the report of the analysis and simulation of this machine through three methods, namely: The direct-quadrature axis (dqxy0102) based on generalised theory of electric machines, which enabled the machine to be mathematically modelled in the arbitrary reference frame; the classical magnetic field distribution analysis; and the finite element method (fem). The resulting models of the analysis of the six-phase squirrel cage induct

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35

Dhuness, Kahesh. "An investigation into aspects of the online detection of broken rotor bars in induction motors." Thesis, 2008. http://hdl.handle.net/10210/411.

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Recent failures of large induction machines due to rotor bar breaks have become a major industrial concern in South Africa. These failures have occurred while applying current condition monitoring methods. This would imply that current theories are either inadequate or badly implemented. This thesis investigates two currently used condition monitoring strategies which focus on monitoring the stator current and axial vibration to detect bar breaks as well as a third method which involves putting destructive shaft voltages to good use and using this signal to diagnose rotor defects. This documen

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YANG, YU-SHENG, and 楊育昇. "A study of design, analysis, and measurement for the three phase squirrel cage rotor induction motors." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/14828638196522592560.

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碩士<br>明志科技大學<br>電機工程研究所<br>98<br>The three-phase squirrel-cage induction motors have been widely utilized in industry. There are two types of stator windings in the design of three-phase( ) squirrel-cage induction motors(SCIMs), namely, single-layer winding and double-layer winding(lap winding). The rotor circuit of a SCIM also consists of a single-squirrel-cage winding or double-squirrel-cage winding that is suitably disposed in the slots of the rotor core. Hence, four structures that are considered in the design of various SCIMs can be obtained[1]. The objectives of the thesis is to st

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Chiu, Chun-Yu, and 邱俊瑜. "A study of design, analysis, and measurement for various three phase squirrel cage rotor induction motors." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/54673568385073569044.

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碩士<br>明志科技大學<br>電機工程研究所<br>101<br>This thesis has finished a module to calculate the characteristics of three-phase squirrel cage induction motor by the LabView Software. The obtained impedance parameters via the concept of the fix-point are used to calculate the global characteristic values in this module. The simulation results by this module and the measured values through the digitized dynamometer are almost the same. It demonstrates that the proposed fix-point design can be used as a reference of motor design. The design of three-phase squirrel-cage induction motors (SCIMs) has two types

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Hung, Wu Ren, and 吳仁弘. "A study of design, analysis, and measurement for the three phase squirrel cage rotor induction motors(II)." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/67251308492717511343.

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碩士<br>明志科技大學<br>電機工程研究所<br>99<br>The thesis applying the fix point design’s impedance value to calculate the overall characteristic value, it can be found that the simulation results and the measured value through the digitized dynamometer are almost the same. This study demonstrates that the proposed fix point design can be used as a reference of motor design. The three-phase squirrel-cage induction motors have been widely utilized in industry. There are two types of stator windings in the design of three-phase( ) squirrel-cage induction motors(SCIMs), namely, single-layer winding and double-

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39

Kerszenbaum, Itzhak. "The behaviour of three-phase squirrel cage induction motors with unbalance in the rotor impedance: in particular two pole motors." Thesis, 2015. http://hdl.handle.net/10539/17726.

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Thusi, Lourenco Mafika. "Determining the optimal technique for early detection of broken rotor bars in medium voltage squirrel cage induction motors during operation." Thesis, 2010. http://hdl.handle.net/10539/7940.

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Electric motors play a pivotal role in various industrial plant processes for electrical to mechanical energy conversion. As a result their reliability and availability is of utmost importance to industries. The reliability and availability of plant electric motors can be achieved by early detection of any developing fault by performing condition monitoring and preventative maintenance on motors. An important motor failure mode, which has been quite challenging to detect, is cracking and subsequent breaking of rotor bars in induction motors. The existing condition monitoring techniques

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