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Showing 1 to 14 of 14 for “"Permanent magnet machine"”.
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Variable air gap axial flux permanent magnet machine with mechanical field weakening
Field-weakening of electrical machines enables rotational speeds to exceed the rated values. This is particularly simple in some AC machines such as induction machines where the field strength magnitudes are determined hence controlled by a component of current in the stator windings. In …
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Design, analysis and prototyping of a high speed surface mounted permanent magnet machine
… the demand for high speed and high power density machines for various applications in industry ranging from basic household power tools to the flight controls for aircrafts in the aerospace sector. This has also seen advancements in the power electronics and controls for these machines to deal …
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Design study and analysis of a conventional radial-field flux-switching permanent magnet machine for a medium-speed wind turbine
A conventional radial-field FSPM machine was designed and studied. The research focussed on the effectiveness of using a parametric study to obtain an optimized solution compared to using a computerized optimizer; as well as an in-depth core loss analysis. The designing process started with an …
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Modelling and detection of faults in axial-flux permanent magnet machines
… topologies and configurations of axial-flux permanent magnet machine has spurred its use for electromechanical energy conversion in several applications. As it becomes increasingly deployed, effective condition monitoring built on reliable and accurate fault detection techniques is needed to …
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A doubly-fed permanent magnet generator for wind turbines
… design is a doubly-fed, dual-rotor, axial-flux, permanent-magnet machine. Progress in the construction of a prototype is described. Analysis of the steady state and dynamic behavior of the machine is detailed, and a control algorithm developed therefrom.
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Design of a permanent magnet motor and a drive for cranking purposes
… increased the research of applications of permanent magnets for use in automobiles. However the application of permanent magnet machines for cranking purposes has not been investigated much. Difficult operating conditions, like, a maximum current density of 35A/mm², and the ability to …
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Comparison of interior permanent magnet synchronous machines for a high-speed application
Permanent Magnet machines have been increasingly used in high-speed applications due to the advantages they offer such as higher efficiency, output torque and, output power. This dissertation discusses the electrical and magnetic design of permanent magnet machines and the design and analysis of …
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High-density multilevel power converters for use in renewable and transportation applications
… driving low-inductance high-density electric machines. Much of the prior work on the FCML converter has focused on various aspects of converter control. However, the demonstration of the power density and efficiency benefits of the topology have often been masked by the use of general-purpose …
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Development of high efficiency high speed permanent magnet generator
… the demand of electric energy. The High Speed Permanent Magnet (HSPM) generator is designed and developed and is expected to deliver 10 kW output power as well as to achieve a speed of 30000 RPM, however, to achieve a compact and efficient design with lower excitation losses, magnetizing …
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Three-dimensional analytical model with skin effect dedicated to the prediction of the eddy current loss in the permanent magnet in permanent magnet synchronous machine
… model for the eddy current loss in the permanent magnet for a permanent magnet synchronous machine with a rated power of 1 MW and an efficiency of 97%. In order to achieve an ambitious power density of 8 hp/lb, which is twice the state-of-the-art value, the machine uses an air cooled …
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Design and Multi-physical Fields Analysis of High Speed Permanent Magnet Machines
… high efficiency and compact size, high speed permanent magnet machines (HSPMMs) have found wide application in industrial areas. Compared with a conventional speed permanent magnet machine, a HSPMM rotor can reach speeds of more than 10,000 rpm, which brings challenges with regard to …
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Design and analysis of a compact high-torque permanent magnet vernier machine for a portable MRI system
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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Analysis and Modelling of Fractional-Slot Concentrated-Wound Interior Permanent Magnet Machines
… concentrated-wound (FSCW) interior permanent magnet (IPM) machines and establishes a basis for their magnetic and electrical analysis. In the state of the art methods for analyzing such machines, the non-homogeneous magnetic saturation and the non-linear B-H curve of the rotor iron …