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Contribution A Letude Des Machines Synchrones A Aimants Permanents En Presence De Defauts Inter Spires
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Book Synopsis Electrical Machines Diagnosis by : Jean-Claude Trigeassou
Download or read book Electrical Machines Diagnosis written by Jean-Claude Trigeassou and published by John Wiley & Sons. This book was released on 2013-02-07 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring and diagnosis of electrical machine faults is a scientific and economic issue which is motivated by objectives for reliability and serviceability in electrical drives. This book provides a survey of the techniques used to detect the faults occurring in electrical drives: electrical, thermal and mechanical faults of the electrical machine, faults of the static converter and faults of the energy storage unit. Diagnosis of faults occurring in electrical drives is an essential part of a global monitoring system used to improve reliability and serviceability. This diagnosis is performed with a large variety of techniques: parameter estimation, state observation, Kalman filtering, spectral analysis, neural networks, fuzzy logic, artificial intelligence, etc. Particular emphasis in this book is put on the modeling of the electrical machine in faulty situations. Electrical Machines Diagnosis presents original results obtained mainly by French researchers in different domains. It will be useful as a guideline for the conception of more robust electrical machines and indeed for engineers who have to monitor and maintain electrical drives. As the monitoring and diagnosis of electrical machines is still an open domain, this book will also be very useful to researchers.
Book Synopsis Design Rules for Permanent Magnet Synchronous Machine with Tooth Coil Winding Arrangement by : Ahamed Bilal Asaf Ali
Download or read book Design Rules for Permanent Magnet Synchronous Machine with Tooth Coil Winding Arrangement written by Ahamed Bilal Asaf Ali and published by Cuvillier Verlag. This book was released on 2014-08-14 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the generic rules for permanent magnet synchronous machine (PMSM) with tooth coil winding arrangement. The generic rules concentrates on minimized cogging torque and torque ripple. The geometries considered in this thesis are two different tooth coil winding arrangements and three different rotor types to formulate the design rules. The occurrence of parasitic torque in the PMSM is classified from the origin of harmonic sources. The cogging torque and torque ripple are derived analytically using the stator current sheet distribution, the rotor field distribution and the permeance functions. The detailed torque analysis are performed in Finite Element Method (FEM) for different slot opening and magnet pole coverage. The 2D harmonics analysis approach is used to predict the sources of the harmonics. The torque is reconstructed from the selected harmonics combinations and are compared with the pulsating torque obtained directly from the FEM. The harmonic sources of pulsating torque are also validated with prototype for a geometry. The investigations on pulsating torque are extended to other operating points such as field weakening and half load condition. Finally, the generic design rules are suggested for PMSM with tooth coil winding arrangement. In addition, simplified design rules to have quick design approach and design guidelines from manufacturing point of view are suggested.
