Investigation of Doubly Salient Stator Slot Permanent Magnet Machines PDF Download
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Author: Han Yang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Han Yang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Ibrahim A. A. Afinowi
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Xiaogang Luo
Publisher:
ISBN:
Category :
Languages : en
Pages : 376
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Author: Yue Li
Publisher:
ISBN:
Category :
Languages : en
Pages : 530
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Author: Huan Qu
Publisher:
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Category :
Languages : en
Pages :
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Author: Wenping Cao
Publisher: Springer Nature
ISBN: 9819905532
Category : Technology & Engineering
Languages : en
Pages : 1010
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Book Description
The conference offers a forum for academic and technical communication for researchers and engineers working in the fields of energy science and technology, electrical systems, and power electronics. It conducts in-depth exchanges and discussions on pertinent subjects like new energy and electrical technology. The book aids scholars and engineers worldwide in understanding the academic development trend and expanding their lines of inquiry by disseminating the research status of cutting-edge technologies and scientific research accomplishments. It also strengthens international academic research, academic topics exchange, and discussion, and encourages the industrialization of academic achievements.
Author: Kai Wang
Publisher: Springer
ISBN: 981130629X
Category : Technology & Engineering
Languages : en
Pages : 216
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Book Description
This book investigates the utilization of harmonics in the permanent magnet (PM) or rotor shape to improve the torque density of PM brushless AC machines including three-phase inner rotor and outer rotor machines, five-phase machines, dual three-phase machines, linear machines, by means of analytical, finite element analyses, and as well as experimental validation. The torque density can be improved while the torque ripple remains low in PM shaping utilizing the 3rd harmonic. In this book, the analytical expression of output torque is derived for PM machines with rotor shape using the 3rd harmonic, and then the optimal 3rd harmonic for maximizing torque is analytically obtained. The book compares the PM shape in surface-mounted PM (SPM) machines and the rotor lamination shape in interior PM (IPM) machines utilizing the 3rd harmonic, and it becomes clear that their shaping methods and amount of torque improvement are different. In a five-phase PM machine, the 3rd harmonic can be utilized in both the current waveform and PM shapes to further improve the output torque. For the dual three-phase SPM machines without deteriorating the torque more than 30% when the optimal 3rd harmonic into both the current and PM shape are injected. The harmonics in airgap flux density have significant influence on the cogging torque, stator iron flux distribution, and radial force between the rotor and stator. These effects has been investigated as well in this book.
Author: Tianyi Zhu
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Sandra Eriksson
Publisher: MDPI
ISBN: 3039213504
Category : Technology & Engineering
Languages : en
Pages : 282
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Book Description
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.
Author: Mohammad Farshadnia
Publisher: Springer
ISBN: 9811087083
Category : Technology & Engineering
Languages : en
Pages : 266
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Book Description
This book focuses on the analytical modeling of fractional-slot concentrated-wound (FSCW) interior permanent magnet (IPM) machines and establishes a basis for their magnetic and electrical analysis. Aiming at the precise modeling of FSCW IPM machines’ magnetic and electrical characteristics, it presents a comprehensive mathematical treatment of the stator magneto-motive force (MMF), the IPM rotor non-homogeneous magnetic saturation, and its airgap flux density. The FSCW stator spatial MMF harmonics are analytically formulated, providing a basis on which a novel heuristic algorithm is then proposed for the design of optimal winding layouts for multiphase FSCW stators with different slot/pole combinations. In turn, the proposed mathematical models for the FSCW stator and the IPM rotor are combined to derive detailed mathematical expressions of its operational inductances, electromagnetic torque, torque ripple and their respective subcomponents, as a function of the machine geometry and design parameters. Lastly, the proposed theories and analytical models are validated using finite element analysis and experimental tests on a prototype FSCW IPM machine.
