Electrical And Magnetic Faults Diagnosis In Permanent Magnet Synchronous Motors

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Electrical and Magnetic Faults Diagnosis in Permanent Magnet Synchronous Motors

Author : Julio César Urresty Betancourt
Publisher :
ISBN 13 :
Total Pages : 117 pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Electrical and Magnetic Faults Diagnosis in Permanent Magnet Synchronous Motors by : Julio César Urresty Betancourt

Download or read book Electrical and Magnetic Faults Diagnosis in Permanent Magnet Synchronous Motors written by Julio César Urresty Betancourt and published by . This book was released on 2013 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Permanent magnet synchronous motors (PMSMs) are an alternative in critical applications where high-speed operation, compactness and high efficiency are required. In these applications it is highly desired to dispose of an on-line, reliable and cost-effective fault diagnosis method. Fault prediction and diagnosis allows increasing electric machines performance and raising their lifespan, thus reducing maintenance costs, while ensuring optimum reliability, safe operation and timely maintenance. Consequently this thesis is dedicated to the diagnosis of magnetic and electrical faults in PMSMs. As a first step, the behavior of a healthy machine is studied, and with this aim a new 2D finite element method (FEM) modelbased system for analyzing surface-mounted PSMSs with skewed rotor magnets is proposed. It is based on generating a geometric equivalent non-skewed permanent magnet distribution which accounts for the skewed distribution of the practical rotor, thus avoiding 3D geometries and greatly reducing the computational burden of the problem. To diagnose demagnetization faults, this thesis proposes an on-line methodology based on monitoring the zero-sequence voltage component (ZSVC). Attributes of the proposed method include simplicity, very low computational burden and high sensibility when compared with the well known stator currents analysis method. A simple expression of the ZSVC is deduced, which can be used as a fault indicator parameter. Furthermore, mechanical effects arising from demagnetization faults are studied. These effects are analyzed by means of FEM simulations and experimental tests based on direct measurements of the shaft trajectory through self-mixing interferometry. For that purpose two perpendicular laser diodes are used to measure displacements in both X and Y axes. Laser measurements proved that demagnetization faults may induce a quantifiable deviation of the rotor trajectory. In the case of electrical faults, this thesis studies the effects of resistive unbalance and stator winding inter-turn short-circuits in PMSMs and compares two methods for detecting and discriminating both faults. These methods are based on monitoring and analyzing the third harmonic component of the stator currents and the first harmonic of the ZSVC. Finally, the Vold-Kalman filtering order tracking algorithm is introduced and applied to extract selected harmonics related to magnetic and electrical faults when the machine operates under variable speed and different load levels. Furthermore, different fault indicators are proposed and their behavior is validated by means of experimental data. Both simulation and experimental results show the potential of the proposed methods to provide helpful and reliable data to carry out a simultaneous diagnosis of resistive unbalance and stator winding inter-turn faults.

Stray Magnetic Flux Based Condition Monitoring Techniques for Permanent Magnet Synchronous Motors

Author : Vigneshwaran Gurusamy
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Stray Magnetic Flux Based Condition Monitoring Techniques for Permanent Magnet Synchronous Motors by : Vigneshwaran Gurusamy

Download or read book Stray Magnetic Flux Based Condition Monitoring Techniques for Permanent Magnet Synchronous Motors written by Vigneshwaran Gurusamy and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Permanent Magnet Synchronous Motors (PMSM) are widely used in various applications from home appliances to electric vehicles due to its advantages like high efficiency, high power density etc. The market share of this type of motor is increasing significantly in the recent decade. In order to ensure their reliable operation in safety critical system, condition monitoring tools are essential. The effective fault diagnosis and condition monitoring system reduces downtime and unplanned maintenance which saves both time and money. Though several motor attributes like current, vibration, temperature etc. can be used for diagnosis of health condition of an electric motor, stray magnetic flux around the motor housing has rich information about the health status of PM motors due to the use of high energy magnets. This dissertation presents condition monitoring techniques which are developed to address three major issues in PMSM. Stator fault is the most common electrical fault which begins as an inter-turn failure. It is essential to identify this failure at its initial stage to prevent the catastrophic damage caused by stator fault. It is shown that the fundamental component of stray magnetic flux may result in fault negative error under certain operating conditions. To overcome this problem, third harmonic component is analyzed comprehensively and proposed as a reliable fault metric throughout the entire range of operation to detect and locate the fault. Secondly, the common mechanical fault in electrical motors, bearing damage is studied. It is shown that the magnetic field of PM motors exhibit asymmetry due to the manufacturing imperfections of magnet. A stray magnetic flux-based bearing fault detection method is proposed by leveraging this asymmetry. The proposed method is analyzed extensively in both simulations and experiments. A comparative study between motor current based detection and the proposed method is also performed. In the last part of the research, a stray magnetic flux based the temperature estimation of permanent magnet is proposed. The stray magnetic flux around the motor can be correlated to the magnet temperature. However, it also is affected by the permeability variation of iron core and magnetic field generated by the stator current. A compensation co-efficient is proposed to compensate the mentioned effects and obtain the permanent magnet component of stray magnetic flux from the measured data. Then the proposed scheme is adopted to estimate the temperature of magnets online under dynamic operating conditions.

Inter-turn Short Circuit Fault Detection in Permanent Magnet Synchronous Motors Through Machine Parameter Identification

Author : Kudra H Baruti
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (138 download)

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Book Synopsis Inter-turn Short Circuit Fault Detection in Permanent Magnet Synchronous Motors Through Machine Parameter Identification by : Kudra H Baruti

Download or read book Inter-turn Short Circuit Fault Detection in Permanent Magnet Synchronous Motors Through Machine Parameter Identification written by Kudra H Baruti and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: AC motors, specifically Permanent Magnet Synchronous Motors (PMSM) have been gainingpopularity in industrial applications due to their high efficiency, high power density and hightorque generation capabilities. Apart from industrial applications, the market share of these motorshas seen significantly increasing use in emerging technologies such as Electric vehicles (EVs),Hybrid Electric Vehicles (HEVs) as traction motors, and use in electric ships, and electricairplanes. To ensure safety and reliability of operation in safety critical applications, continuoushealth condition monitoring and fault diagnosis of these motors is essential. A robust and accuratefault diagnosis and condition monitoring reduces downtime and unplanned catastrophic failures,shutdowns, and maintenance, which saves both time, money, and labor. Through the availabledrive sensors such as current and voltage sensors, current and voltage information can be acquiredand used to diagnose different faults in the motor. This dissertation presents condition monitoringof stator Inter-Turn Short Circuit (ITSC) faults in PMSM motors.ITSC faults make up more than 40% of all PMSM electrical faults, mainly caused by extrememechanical, thermal, and electrical stresses. Other factors such as high dv/dt and chemicalsaccelerate insulation material aging and result in ITSC faults. ITSC fault causes high circulatingcurrents to be induced in the stator of the motors, and if not properly managed, can result in localoverheating which leads to further winding degradation and melting, which can result in completeshutdown of the machines operation. Thus, to avoid unexpected machine shutdowns, ITSC faultmust be monitored, diagnosed, and managed.This dissertation employs continuous monitoring of machines electrical parameters such as thestator resistance (Rs) and both d-axis and q-axis inductances (Ld and Lq) to detect any changeswhich may be a result of ITSC faults. Upon detecting changes in parameters, ITSC fault isdiagnosed by isolating it from other closely similar faults such as eccentricity faults.The techniques employed in this dissertation eliminates the use of extra sensors in the drive, andonly uses current sensors to acquire feedbacks, and uses voltages inside the micro-controller toestimate different parameters for diagnosis purposes.

Advanced Structures, Fault Diagnosis and Tolerant Control of Permanent Magnet Synchronous Motors

Author :
Publisher :
ISBN 13 : 9783725811694
Total Pages : 0 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Advanced Structures, Fault Diagnosis and Tolerant Control of Permanent Magnet Synchronous Motors by :

Download or read book Advanced Structures, Fault Diagnosis and Tolerant Control of Permanent Magnet Synchronous Motors written by and published by . This book was released on 2024-05-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives

Author : Elias G. Strangas
Publisher : John Wiley & Sons
ISBN 13 : 1119722780
Total Pages : 448 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives by : Elias G. Strangas

Download or read book Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives written by Elias G. Strangas and published by John Wiley & Sons. This book was released on 2021-11-19 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives An insightful treatment of present and emerging technologies in fault diagnosis and failure prognosis In Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives, a team of distinguished researchers delivers a comprehensive exploration of current and emerging approaches to fault diagnosis and failure prognosis of electrical machines and drives. The authors begin with foundational background, describing the physics of failure, the motor and drive designs and components that affect failure and signals, signal processing, and analysis. The book then moves on to describe the features of these signals and the methods commonly used to extract these features to diagnose the health of a motor or drive, as well as the methods used to identify the state of health and differentiate between possible faults or their severity. Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives discusses the tools used to recognize trends towards failure and the estimation of remaining useful life. It addresses the relationships between fault diagnosis, failure prognosis, and fault mitigation. The book also provides: A thorough introduction to the modes of failure, how early failure precursors manifest themselves in signals, and how features extracted from these signals are processed A comprehensive exploration of the fault diagnosis, the results of characterization, and how they used to predict the time of failure and the confidence interval associated with it A focus on medium-sized drives, including induction, permanent magnet AC, reluctance, and new machine and drive types Perfect for researchers and students who wish to study or practice in the rea of electrical machines and drives, Fault Diagnosis, Prognosis, and Reliability for Electrical Machines and Drives is also an indispensable resource for researchers with a background in signal processing or statistics.

Electromagnetic Analysis and Condition Monitoring of Synchronous Generators

Author : Jawad Faiz
Publisher : John Wiley & Sons
ISBN 13 : 1119636078
Total Pages : 708 pages
Book Rating : 4.1/5 (196 download)

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Book Synopsis Electromagnetic Analysis and Condition Monitoring of Synchronous Generators by : Jawad Faiz

Download or read book Electromagnetic Analysis and Condition Monitoring of Synchronous Generators written by Jawad Faiz and published by John Wiley & Sons. This book was released on 2022-12-28 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic Analysis and Condition Monitoring of Synchronous Generators Discover an insightful and complete overview of electromagnetic analysis and fault diagnosis in large synchronous generators In Electromagnetic Analysis and Condition Monitoring of Synchronous Generators, a team of distinguished engineers delivers a comprehensive review of the electromagnetic analysis and fault diagnosis of synchronous generators. Beginning with an introduction to several types of synchronous machine structures, the authors move on to the most common faults found in synchronous generators and their impacts on performance. The book includes coverage of different modeling tools, including the finite element method, winding function, and magnetic equivalent circuit, as well as various types of health monitoring systems focusing on the magnetic field, voltage, current, shaft flux, and vibration. Finally, Electromagnetic Analysis and Condition Monitoring of Synchronous Generators covers signal processing tools that can help identify hidden patterns caused by faults and machine learning tools enabling automated condition monitoring. The book also includes: A thorough introduction to condition monitoring in electric machines and its importance to synchronous generators Comprehensive explorations of the classification of synchronous generators, including armature arrangement, machine construction, and applications Practical discussions of different types of electrical and mechanical faults in synchronous generators, including short circuit faults, eccentricity faults, misalignment, core-related faults, and broken damper bar faults In-depth examinations of the modeling of healthy and faulty synchronous generators, including analytical and numerical methods Perfect for engineers working in electrical machine analysis, maintenance, and fault detection, Electromagnetic Analysis and Condition Monitoring of Synchronous Generators is also an indispensable resource for professors and students in electrical power engineering.

Electric Machines

Author : Hamid A. Toliyat
Publisher : CRC Press
ISBN 13 : 1420006282
Total Pages : 272 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Electric Machines by : Hamid A. Toliyat

Download or read book Electric Machines written by Hamid A. Toliyat and published by CRC Press. This book was released on 2017-12-19 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: With countless electric motors being used in daily life, in everything from transportation and medical treatment to military operation and communication, unexpected failures can lead to the loss of valuable human life or a costly standstill in industry. To prevent this, it is important to precisely detect or continuously monitor the working condition of a motor. Electric Machines: Modeling, Condition Monitoring, and Fault Diagnosis reviews diagnosis technologies and provides an application guide for readers who want to research, develop, and implement a more effective fault diagnosis and condition monitoring scheme—thus improving safety and reliability in electric motor operation. It also supplies a solid foundation in the fundamentals of fault cause and effect. Combines Theoretical Analysis and Practical Application Written by experts in electrical engineering, the book approaches the fault diagnosis of electrical motors through the process of theoretical analysis and practical application. It begins by explaining how to analyze the fundamentals of machine failure using the winding functions method, the magnetic equivalent circuit method, and finite element analysis. It then examines how to implement fault diagnosis using techniques such as the motor current signature analysis (MCSA) method, frequency domain method, model-based techniques, and a pattern recognition scheme. Emphasizing the MCSA implementation method, the authors discuss robust signal processing techniques and the implementation of reference-frame-theory-based fault diagnosis for hybrid vehicles. Fault Modeling, Diagnosis, and Implementation in One Volume Based on years of research and development at the Electrical Machines & Power Electronics (EMPE) Laboratory at Texas A&M University, this book describes practical analysis and implementation strategies that readers can use in their work. It brings together, in one volume, the fundamentals of motor fault conditions, advanced fault modeling theory, fault diagnosis techniques, and low-cost DSP-based fault diagnosis implementation strategies.

Robust Fault Detection and Diagnosis for Permanent Magnet Synchronous Motors

Author : Li Liu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (713 download)

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Book Synopsis Robust Fault Detection and Diagnosis for Permanent Magnet Synchronous Motors by : Li Liu

Download or read book Robust Fault Detection and Diagnosis for Permanent Magnet Synchronous Motors written by Li Liu and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the 4th International Conference on Electrical Engineering and Control Applications

Author : Sofiane Bououden
Publisher : Springer Nature
ISBN 13 : 9811564035
Total Pages : 1257 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Proceedings of the 4th International Conference on Electrical Engineering and Control Applications by : Sofiane Bououden

Download or read book Proceedings of the 4th International Conference on Electrical Engineering and Control Applications written by Sofiane Bououden and published by Springer Nature. This book was released on 2020-09-29 with total page 1257 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers papers presented during the 4th International Conference on Electrical Engineering and Control Applications. It covers new control system models, troubleshooting tips and complex system requirements, such as increased speed, precision and remote capabilities. Additionally, the papers discuss not only the engineering aspects of signal processing and various practical issues in the broad field of information transmission, but also novel technologies for communication networks and modern antenna design. This book is intended for researchers, engineers and advanced postgraduate students in the fields of control and electrical engineering, computer science and signal processing, as well as mechanical and chemical engineering.

Diagnosis, Fault Detection & Tolerant Control

Author : Nabil Derbel
Publisher : Springer Nature
ISBN 13 : 9811517460
Total Pages : 331 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Diagnosis, Fault Detection & Tolerant Control by : Nabil Derbel

Download or read book Diagnosis, Fault Detection & Tolerant Control written by Nabil Derbel and published by Springer Nature. This book was released on 2020-02-20 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on unhealthy cyber-physical systems. Consisting of 14 chapters, it discusses recognizing the beginning of the fault, diagnosing the appearance of the fault, and stopping the system or switching to a special control mode known as fault-tolerant control. Each chapter includes the background, motivation, quantitative development (equations), and case studies/illustration/tutorial (simulations, experiences, curves, tables, etc.). Readers can easily tailor the techniques presented to accommodate their ad hoc applications.

Fault Detection and Identification in Permanent Magnet Synchronous Machines

Author : Reemon Zaki Saleem Haddad
Publisher :
ISBN 13 : 9781369404142
Total Pages : 132 pages
Book Rating : 4.4/5 (41 download)

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Book Synopsis Fault Detection and Identification in Permanent Magnet Synchronous Machines by : Reemon Zaki Saleem Haddad

Download or read book Fault Detection and Identification in Permanent Magnet Synchronous Machines written by Reemon Zaki Saleem Haddad and published by . This book was released on 2016 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Permanent Magnet Synchronous Machines

Author : Sandra Eriksson
Publisher : MDPI
ISBN 13 : 3039213504
Total Pages : 282 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Permanent Magnet Synchronous Machines by : Sandra Eriksson

Download or read book Permanent Magnet Synchronous Machines written by Sandra Eriksson and published by MDPI. This book was released on 2019-08-20 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in permanent magnet synchronous machines (PMSMs) is continuously increasing worldwide, especially with the increased use of renewable energy and the electrification of transports. This book contains the successful submissions of fifteen papers to a Special Issue of Energies on the subject area of “Permanent Magnet Synchronous Machines”. The focus is on permanent magnet synchronous machines and the electrical systems they are connected to. The presented work represents a wide range of areas. Studies of control systems, both for permanent magnet synchronous machines and for brushless DC motors, are presented and experimentally verified. Design studies of generators for wind power, wave power and hydro power are presented. Finite element method simulations and analytical design methods are used. The presented studies represent several of the different research fields on permanent magnet machines and electric drives.

Condition Monitoring Techniques for Permanent Magnet Synchronous Motors

Author : Mohsen Zafarani
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Condition Monitoring Techniques for Permanent Magnet Synchronous Motors by : Mohsen Zafarani

Download or read book Condition Monitoring Techniques for Permanent Magnet Synchronous Motors written by Mohsen Zafarani and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the variety of electric motor applications in critical service systems, they need precise control and accurate health monitoring in order to operate reliably and safely. Fault diagnosis, as the earliest step of system health management, identifies impending faults through pre-specified indexes. This is a critical process as it provides early warnings for catastrophic failures well beforehand and enables preventive maintenance schedule updates. The most important advance in this field is the implementation of fault diagnosis system embedded to drive system. In this technology, the health monitoring system is programmed in the main CPU used for controlling purposes. Also, there is no need to install any additional sensor since the same measurement used for control is sent for monitoring. This technology is growing up and still is not mature enough to be used in industries widely. In this study, rotor related faults such as magnet defect and eccentricity faults and their corresponding reflections on permanent magnet (PM) motor stator variables are investigated. An analytical approach based on a partitioned magnetic equivalent circuit is developed to determine the influence of rotor related faults on PM motor variables. Stator winding configuration, winding connection type and location of damaged rotor magnets are some of the physical properties affecting the fault signature characteristics. Several cases with different numbers of pole and slot are investigated through the proposed method. In addition, different winding connections (including star and delta connection), different winding configurations (including single and double layer, fractional and full coil pitch), and different magnet defect numbers and locations are scrutinized. The proposed tool significantly reduces the computational burden and provides sufficient accuracy which significantly eases to simulate several magnet fault scenarios and examine detailed topology dependencies in shorter times. At the last part of this research, a motor specific fault severity assessment method is proposed to calculate the amplitude of magnet defect fault signatures in the stator current and back-emf through machine and controller parameters of PMSM drive. A detailed mathematical analysis is developed based on the linear model of PMSM to predict the behavior of fault signatures in motor variables at various operating points. In order to understand and decouple the effects of motor controllers and operating points, the derivations are further extended to clarify the effects of current loop gains. Under the light of findings, the fault severity impact on the current and back-emf fault signatures is investigated exhaustively.

Control of Permanent Magnet Synchronous Motors

Author : Sadegh Vaez-Zadeh
Publisher : Oxford University Press
ISBN 13 : 0191060674
Total Pages : 384 pages
Book Rating : 4.1/5 (91 download)

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Book Synopsis Control of Permanent Magnet Synchronous Motors by : Sadegh Vaez-Zadeh

Download or read book Control of Permanent Magnet Synchronous Motors written by Sadegh Vaez-Zadeh and published by Oxford University Press. This book was released on 2018-02-23 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Permanent magnet synchronous (PMS) motors stand at the forefront of electric motor development due to their energy saving capabilities and performance potential. The motors have been developed in response to mounting environmental crises and growing electricity prices, and they have enabled the emergence of motor drive applications like those found in electric and hybrid vehicles, fly by wire, and drones. Control of Permanent Magnet Synchronous Motors is a timely advancement along that path as the first comprehensive, self-contained, and thoroughly up-to-date book devoted solely to the control of PMS motors. It offers a deep and extended analysis, design, implementation, and performance evaluation of major motor control methods, including Vector, Direct Torque, Predictive, Deadbeat, and Combined Control, in a systematic and coherent manner. All major Sensorless Control and Parameter Estimation methods are also studied. The book places great emphasis on energy saving control schemes.

Fault Detection of Permanent Magnet Synchronous Motor (PMSM) by Means of Stator Currents Analysis

Author : Javier Alveiro Rosero García
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (84 download)

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Book Synopsis Fault Detection of Permanent Magnet Synchronous Motor (PMSM) by Means of Stator Currents Analysis by : Javier Alveiro Rosero García

Download or read book Fault Detection of Permanent Magnet Synchronous Motor (PMSM) by Means of Stator Currents Analysis written by Javier Alveiro Rosero García and published by . This book was released on 2007 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stator Winding Fault Diagnosis of Permanent Magnet Synchronous Motor-Based DTC-SVM Dedicated to Electric Vehicle Applications

Author : Fatma Ben Salem
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis Stator Winding Fault Diagnosis of Permanent Magnet Synchronous Motor-Based DTC-SVM Dedicated to Electric Vehicle Applications by : Fatma Ben Salem

Download or read book Stator Winding Fault Diagnosis of Permanent Magnet Synchronous Motor-Based DTC-SVM Dedicated to Electric Vehicle Applications written by Fatma Ben Salem and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electric vehicles (EVs) have several advantages such as energy efficiency, virtually lack of pollution, and the availability of electric energy through electric distribution systems. Among the major components of an EV is the block control of the AC motor. Many modern high-performance control technologies are being used in EV controllers, such as direct torque control-based space vector modulation (DTC-SVM). Given that permanent magnet synchronous motor (PMSM) has a small volume, a lightweight, and a high reliability, attracting the interest of EV industrial designers. The fault diagnosis about the PMSM problems is essential because the PMSM has a huge influence on the safety and economic efficiency with the vehicles. In this background, the chapter concerns the modeling and simulation of an electric vehicle drive system including a PMSM-based DTC-SVM without and with stator winding fault. The performance of the motor under both the normal and faulty conditions is simulated. For the diagnosis of the fault, the chapter proposes the technique based on the motor current spectrum analysis.

Analytical Methods in Rotor Dynamics

Author : Andrew D. Dimarogonas
Publisher : Springer Science & Business Media
ISBN 13 : 9400759053
Total Pages : 280 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Analytical Methods in Rotor Dynamics by : Andrew D. Dimarogonas

Download or read book Analytical Methods in Rotor Dynamics written by Andrew D. Dimarogonas and published by Springer Science & Business Media. This book was released on 2013-02-19 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and construction of rotating machinery operating at supercritical speeds was, in the 1920s, an event of revolutionary importance for the then new branch of dynamics known as rotor dynamics. In the 1960s, another revolution occurred: In less than a decade, imposed by operational and economic needs, an increase in the power of turbomachinery by one order of magnitude took place. Dynamic analysis of complex rotor forms became a necessity, while the importance of approximate methods for dynamic analysis was stressed. Finally, the emergence of fracture mechanics, as a new branch of applied mechanics, provided analytical tools to investigate crack influence on the dynamic behavior of rotors. The scope of this book is based on all these developments. No topics related to the well-known classical problems are included, rather the book deals exclusively with modern high-power turbomachinery.