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Dissertations / Theses on the topic 'Stator winding turn fault'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Tallam, Rangarajan M. "Current-based sensorless detection of stator winding turn faults in induction machines." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/13429.

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2

Babu, Hareesh. "Finite-element analysis of an induction motor with inter-turn short-circuit faults." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-290082.

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Stator inter-turn short circuit (ITSC) faults are one of the common sources for induction machine failure affecting their reliable operation. In this thesis, a finite element (FE) model is developed to study the ITSC fault. The FE model is developed for a prototype induction machine that has the potential to emulate an ITSC fault in the stator. With the developed FE model of the prototype machine, a simulation study is performed to understand the behaviour of various electrical and magnetic quantities in time- and frequency-domain. The investigated quantities are potentially good signatures of

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3

Senthil, Kumar Sathiya Lingam. "Condition monitoring of induction machines using a signal injection technique." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289354.

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Condition monitoring techniques can be employed to enhance reliability of electric machinery. The stator winding fault is one of the dominant causes for the failure of induction machines. In this work, the condition monitoring of an inverter-fed induction machine using high-frequency signal injection based technique is investigated. Initially, an analytical model of the induction machine with a stator inter-turn fault is developed. Subsequently, the behaviour of the induction machine in the presence of stator inter-turn fault is analyzed using the symmetrical component theory. Because of their

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4

Cash, M. Alex. "Detection of turn faults arising from insulation failure in the stator windings of AC machines." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/15460.

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5

Oliveira, Ãtila GirÃo de. "Neural classifier aplied in stator winding inter-turn short circuit in three-phase induction motors driven by frequency converter." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12285.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>This dissertation reports applications of artificial neural networks to detect stator winding interturn fault of three phase induction motor drived by frequency inverter. The artificial neural networks, like Simple and Multilayer Perceptron, served as off-line classifiers to short-circuit fault condition or healthy condition. In the training of Multilayer Perceptron, two different algorithms are used: the error back-propagation, which is a classic algorithm, and the extreme learning machine, as a relative new alternative for the cl

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6

Lee, Youngkook. "A Stator Turn Fault Detection Method and a Fault-Tolerant Operating Strategy for Interior PM Synchronous Motor Drives in Safety-Critical Applications." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/16156.

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A stator turn fault in a safety-critical drive application must be detected at its initial stage and imperatively requires an evasive action to prevent a serious accident caused by an abrupt interruption in the drive s operation. However, this is much challenging for the case of an interior permanent magnet synchronous motor (IPMSM) drives because of the presence of the permanent magnets that cannot be turned off at will. This work tackles the problem of increase the stator turn fault tolerance of IPMSM drives in safety-critical applications. This objective is achieved by an on-line turn fa

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7

Singh, Bhanu Pratap. "Real-time detection of stator resistance unbalances in three phase drives." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-286813.

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An estimated 30% of the faults in Induction Machine (IM) are related to its stator. These faults are mostly in the form of an Inter-Turn Short Circuit (ITSC) fault i.e., when two winding inside the stator of IM are shorted due to insulation failure. However, ITSC fault can be avoided by detecting them in advance and then scheduling the maintenance of the IM. This thesis studies two methods for detecting this incipient ITSC fault in a three-phase IM and then estimating the stator resistance unbalance due to the ITSC fault. The first method is based on the asymmetry caused in the IM by the ITSC

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8

Otava, Lukáš. "Algoritmy monitorování a diagnostiky pohonů se synchronními motory." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-447552.

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Permanent magnet synchronous machine drives are used more often. Although, synchronous machines drive also suffer from possible faults. This thesis is focused on the detection of the three-phase synchronous motor winding faults and the detection of the drive control loop sensors' faults. Firstly, a model of the faulty winding of the motor is presented. Effects of the inter-turn short fault were analyzed. The model was experimentally verified by fault emulation on the test bench with an industrial synchronous motor. Inter-turn short fault detection algorithms are summarized. Three existing conv

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9

Bilal, Habachi. "Diagnostic des systèmes de production de l’énergie Hybride Générateur/Mode moteur." Electronic Thesis or Diss., Corte, 2022. http://www.theses.fr/2022CORT0010.

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La sophistication et la multiplication des systèmes de production de l'énergie électrique de nos jours, caractérisent les évolutions technologiques ainsi que celles des sociétés humaines. L'énergie électrique provenant des systèmes de production est un facteur essentiel pour le développement et l’amélioration des conditions de vie et des activités industrielles. Dans les systèmes de production de l'énergie électrique, comme dans le domaine des entraînements électriques, pouvant fonctionner à vitesse variable, la machine asynchrone à double alimentation (MADA) occupe de plus en plus de place. C

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10

Haje, Obeid Najla. "Contribution à la détection des défauts statoriques des actionneurs à aimants permanents : Application à la détection d'un défaut inter-spires intermittent et au suivi de vieillissement." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0214/document.

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Grâce à leurs avancées techniques en termes de poids, performances et fiabilité, les machines synchrones sont de plus en plus utilisées dans le domaine de transport et en particuliers dans l’aéronautique. Les stratégies de maintenances de ces systèmes électriques sont alors indispensables afin d'éviter des surcouts liés à des temps d'arrêt non planifiés. Ce document propose une analyse des conséquences d'un défaut inter-spires intermittent naissant dans l'enroulement statorique d'une Machine Synchrone à Aimants Permanents (MSAP). Ce type de défaut correspond à l'état peu avancé d'un futur cour

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11

Haje, Obeid Najla. "Contribution à la détection des défauts statoriques des actionneurs à aimants permanents : Application à la détection d'un défaut inter-spires intermittent et au suivi de vieillissement." Electronic Thesis or Diss., Université de Lorraine, 2016. http://www.theses.fr/2016LORR0214.

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Grâce à leurs avancées techniques en termes de poids, performances et fiabilité, les machines synchrones sont de plus en plus utilisées dans le domaine de transport et en particuliers dans l’aéronautique. Les stratégies de maintenances de ces systèmes électriques sont alors indispensables afin d'éviter des surcouts liés à des temps d'arrêt non planifiés. Ce document propose une analyse des conséquences d'un défaut inter-spires intermittent naissant dans l'enroulement statorique d'une Machine Synchrone à Aimants Permanents (MSAP). Ce type de défaut correspond à l'état peu avancé d'un futur cour

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12

Nazemi, Mohammadhossein. "Rotor Winding Fault Detection in the Wound Rotor Induction Machines Based on Magnetic Flux Distortion." Master's thesis, 2020. http://hdl.handle.net/10316/95576.

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Documentos apresentados no âmbito do reconhecimento de graus e diplomas estrangeiros<br>Induction machines are one the most important electrical equipment in industrial plants and manufacturers. They have a great variety of features, structures and performance. So, proper and secure protection design and fault detection are important issues. The induction machines are divided into two categories as squirrel-cage and wound-rotor types. Due to many advantages of squirrel cage motors (e.g. simplicity, lower cost, less maintenance and etc.) they are the most common choice for industries. However,

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13

Wu, Qing. "Single-turn sensitive stator inter-turn fault detection of induction machines." Thesis, 2008. http://hdl.handle.net/1828/2499.

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Catastrophic failure of the electric machines can result from stator inter-turn faults even at their very incipient stage i.e.. single-turn fault. Consequently, fire and explosion, loss of human life and property, extended downtime of the equipment, increased cost of repair and heavy financial losses in the industries may take place. As a recent trend, online fault diagnosis of the electric machines that are employed in critical applications has been considered of paramount importance since frequent outage of the machines for the purpose of testing cannot be recommended. In this thesis, a very

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14

Quiroga, Jabid Eduardo Mendez. "Stator winding fault detection for a PMSM using fuzzy logic classifier and neural network model identification." 2008. http://etd.lib.fsu.edu/theses/available/etd-04282008-100002.

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Thesis (M.S.)--Florida State University, 2008<br>Advisor: Dave A. Cartes, Florida State University, College of Engineering, Dept. of Mechanical Engineering. Title and description from dissertation home page (viewed June 11, 2008). Document formatted into pages; contains xii, 82 pages. Includes bibliographical references.

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15

Sinhal, Prachi. "Stator Inter Turn Short Circuit Fault Diagnosis in Three Phase Induction Motor Using Neural Networks." Thesis, 2015. http://ethesis.nitrkl.ac.in/7112/1/Stator_Sinhal_2015.pdf.

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In induction machine a number of faults occur namely bearing and insulation related faults, stator winding and rotor related faults. Among these, stator inter-turn fault is one of the most common faults.Therefore, this work deals with the diagnosis of inter turn short circuit fault in stator winding of an induction machine. These incipient faults need to be identified and cleared as soon as possible to reduce failures as well as maintenance cost.Conventional methods are time taking and require exact mathematical modelling of the machine. However, due to ageing effects the mathematical model ha

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16

Bhowmick, Shantanav. "Detection of Inter-turn Winding Fault in Single-phase Transformers Using a Terminal Measurement Based Modeling Technique." Thesis, 2013. http://hdl.handle.net/1828/5077.

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Transformers form a very important part of the power transmissions and distribution network; as they are responsible for the transfer of electrical energy from the power generation sites onto the transmission lines and finally to the distribution stage. Dry-type and oil-filled single-phase transformers, either alone or as a part of three-phase banks, are used extensively in the power distribution network, ultimately providing power to the domestic consumers. Any faults in the single-phase transformers leading to power outages or catastrophic power systems failures cause huge loss of capital, p

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17

Bakhri, Syaiful. "Detailed investigation of negative sequence current compensation technique for stator shorted turn fault detection of induction motors." Thesis, 2013. http://hdl.handle.net/2440/83536.

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Online condition monitoring is preferred specifically in critical induction machines for timely analysis of their health and to predict any incipient failures. Negative sequence current monitoring is one of the well-known condition monitoring applications that capable of identifying stator faults in induction motor as well as producing fast and reliable results using a simple measurement technique. However, the technique is sensitive to asymmetrical sources of negative sequence, not only due to motor faults but also due to the disturbances such as sensor calibration, inherent non-idealities (s

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18

Shah, Dhaval. "Stator inter-turn fault detection of doubly-fed induction generators using rotor current and search coil voltage signature analysis." Thesis, 2008. http://hdl.handle.net/1828/2589.

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Wind energy conversion is the fastest-growing source of renewable electric power generation in the world and it is expected to remain so for some time. Doubly Fed Induction Generators (DFIGs) hold more than 50% market share of wind power generators due to its unique benefits of low cost, control capability and scalability. Recent trend of DFIGs installed in wind power are within power range of 200KW-2MW and have stator windings rated at 690V, which are highly susceptible to inter-turn faults. This fault type account for more than 40% of the total failure causes of the generator. A reliable fau

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19

Δάλλας, Στέφανος. "Υπολογισμός ηλεκτρομαγνητικών μεγεθών και πρόβλεψη συμπεριφοράς μιας σύγχρονης μηχανής με έκτυπους πόλους σε περιπτώσεις σφαλμάτων με τη χρήση της μεθόδου των πεπερασμένων στοιχείων". Thesis, 2012. http://hdl.handle.net/10889/5429.

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Η παρούσα διδακτορική διατριβή πραγματεύεται τη λειτουργική συμπεριφορά μιας σύγχρονης μηχανής με έκτυπους πόλους κατά τη διάρκεια δύο ειδών σφαλμάτων, τα οποία παρουσιάζονται παρακάτω, για τις δύο συνθήκες σύνδεσης μίας σύγχρονης γεννήτριας με το δίκτυο. Ειδικότερα, μελετήθηκε η περίπτωση βραχυκυκλώματος στην τροφοδοσία του τυλίγματος διέγερσης της σύγχρονης μηχανής όταν είναι συνδεδεμένη σε ισχυρό δίκτυο και είτε ο αριθμός στροφών αυτής διατηρείται απόλυτα σταθερός, είτε ένας ελεγκτής τη συγκρατεί στο σύγχρονο αριθμό στροφών. Ακόμη διερευνήθηκε η περίπτωση εσωτερικού σφάλματος στο τύλιγμα το

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