Analysis Of The Hysteresis Machine
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Analysis Of The Hysteresis Machine
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Author : S. G. Zaky
language : en
Publisher:
Release Date : 1967
Analysis Of The Hysteresis Machine written by S. G. Zaky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.
The Hysteresis Machines
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Author : S.C. Bhargava
language : en
Publisher: CRC Press
Release Date : 2022-12-09
The Hysteresis Machines written by S.C. Bhargava and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-09 with Technology & Engineering categories.
This book describes in detail the construction and working principle of a variety of commercially available hysteresis machines. The last part of the book is devoted to a comprehensive study of an experimental hysteresis machine. The contents of this part derive entirely from the experimental and analytical work carried out by the author during his doctoral research at the University of Aston in the UK. The exhaustive range of tests and measurements, obtained by the use of uniquely devised transducers and techniques—many of these having been evolved for the first time—showcase numerous aspects of a hysteresis machine. These relate mainly to the measured waveforms of radial and peripheral flux density in the airgap and active part of the rotor as influenced by the hysteretic properties of the rotor material. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan or Bhutan).
Hysteresis And Eddy Current Effects In Electrical Machines
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Author : Denis O'Kelly
language : en
Publisher:
Release Date : 1973
Hysteresis And Eddy Current Effects In Electrical Machines written by Denis O'Kelly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
This thesis describes an investigation of the steady-state power losses, with dynamic excitation, in ferromagnetic materials and the performance and analysis of induction, hysteresis and synchronous machines with particular reference to hysteresis and eddy-current effects. Representation of a hysteresis loop by an elliptical characteristic, as used extensively in this thesis, permits a ferromagnetic material to be represented by its complex permeability. Although this concept has been employed by several previous authors including Butler and Mang, and Miyairi and Kataoka, the application of the concept to include non-linearity and eddy-current effects and a field-theory approach to the analysis of rotating machine performance is novel as far as the author is aware. Consideration is also given to the representation of hysteresis by concentrated coils in the analysis of different types of rotating machines thus permitting the derivation of appropriate equivalent circuits.
Machine Learning For The Analysis Of Magnetic Hysteresis For Single Domain Nanoparticles
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Author : Franziska Duhr
language : en
Publisher:
Release Date : 2023
Machine Learning For The Analysis Of Magnetic Hysteresis For Single Domain Nanoparticles written by Franziska Duhr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Ferromagnetic materials categories.
The Hysteresis Machines
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Author : S.C. Bhargava
language : en
Publisher: CRC Press
Release Date : 2022-12-09
The Hysteresis Machines written by S.C. Bhargava and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-09 with Technology & Engineering categories.
This book describes in detail the construction and working principle of a variety of commercially available hysteresis machines. The last part of the book is devoted to a comprehensive study of an experimental hysteresis machine. The contents of this part derive entirely from the experimental and analytical work carried out by the author during his doctoral research at the University of Aston in the UK. The exhaustive range of tests and measurements, obtained by the use of uniquely devised transducers and techniques—many of these having been evolved for the first time—showcase numerous aspects of a hysteresis machine. These relate mainly to the measured waveforms of radial and peripheral flux density in the airgap and active part of the rotor as influenced by the hysteretic properties of the rotor material. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan or Bhutan).
Magnetic Field Analysis Of Electric Machines Taking Ferromagnetic Hysteresis Into Account
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Author : Július Saitz
language : en
Publisher:
Release Date : 2001
Magnetic Field Analysis Of Electric Machines Taking Ferromagnetic Hysteresis Into Account written by Július Saitz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Electrical Engineering categories.
The Hysteresis Machines
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Author : S C Bhargava
language : en
Publisher:
Release Date : 2021
The Hysteresis Machines written by S C Bhargava and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
All hysteresis machines, are characterised by the use of a 'hard' or permanent-magnet material in the rotor of the machine in different forms whilst the stator may be similar to that of a 3-phase induction motor or comprise salient poles. The driving torque in the hysteresis machine is typically related to loss of power resulting from hysteresis in the active part of the rotor. A hysteresis motor which forms the mainstay of a variety of hysteresis machines is a synchronous motor, being self-starting with the developed torque remaining constant throughout. The present book, one of its kind covering the said subject matter, describes in detail the construction and working principle of a variety of commercially available hysteresis machines. The last part of the book is devoted to a comprehensive study of an experimental hysteresis machine. The contents of this part derive entirely from the experimental and analytical work carried out by the author during his doctoral research at the University of Aston in the UK. The exhaustive range of tests and measurements, obtained by the use of uniquely devised transducers and techniques, many of these having been evolved for the first time, showcase numerous aspects of a hysteresis machine, never before brought out anywhere. These relate mainly to the measured waveforms of radial and peripheral flux density in the airgap and active part of the rotor as influenced by the hysteretic properties of the rotor material.
Application Of Magnetic Hysteresis Modeling To The Design And Analysis Of Electrical Machines
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Author : Maged Ibrahim
language : en
Publisher:
Release Date : 2015
Application Of Magnetic Hysteresis Modeling To The Design And Analysis Of Electrical Machines written by Maged Ibrahim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Permanent magnet synchronous machines (PMSMs) with rare-earth magnets are widely used in the traction drives of electrical and hybrid electrical vehicles, as they can provide high efficiency and torque density. Due to the possibility of future shortage of rare-earth materials, it is essential for electric vehicle industry to find alternative magnet technologies that can provide a substitute for rare-earth PMSMs. Permanent magnet machines with Alnico magnets can theoretically provide torque densities comparable to rare-earth PMSMs, due to their high remnant flux density. However, these magnets are rarely used in the conventional designs of PMSMs, as they can be demagnetized by the armature field. The thesis presents a novel design for permanent magnet machines with Alnico magnets. The proposed design can provide high air gap flux density at no-load, and the armature field at full load tends to enhance the magnet flux. Therefore, the machine can operate with high torque density even under severe loading conditions. The demagnetization characteristics of Alnico magnets are also utilized to achieve high efficiency at a wide speed range, as the magnet flux is reduced at high speeds by armature current pulses that dissipate negligible losses, thus avoiding the additional copper losses of the continuous flux weakening current in conventional rare-earth PMSMs. The simulation of the demagnetization and magnetization dynamics of the proposed machine design requires considering the hysteresis characteristics of the permanent magnets. Therefore, finite element analysis (FEA) simulations for the designed machine are performed using a linearized hysteresis model for Alnico magnets. The thesis also aims to improve the design and modeling of electrical machines by developing computationally efficient methods for incorporating the hysteresis characteristics of electrical steel into electrical machine models.
Mathematical Analysis Of The Hysteresis Loop As A Basis For Attrition Phenomena
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Author : Irvin Whiteman
language : en
Publisher:
Release Date : 1957
Mathematical Analysis Of The Hysteresis Loop As A Basis For Attrition Phenomena written by Irvin Whiteman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with categories.
Analysis On The Hysteresis Loop Of The Leaf Spring
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Author : Ikuo Numazaki
language : en
Publisher:
Release Date : 1991
Analysis On The Hysteresis Loop Of The Leaf Spring written by Ikuo Numazaki and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Hysteresis loop categories.
