surface permanent magnet machines
NOVEL METHODS FOR PERMANENT MAGNET DEMAGNETIZATION DETECTION IN PERMANENT MAGNET SYNCHRONOUS MACHINES
... The electromagnetic (EM) torque, excluding the reluctance torque, is proportional to the quadrature-axis current, which is in accordance with the electrical model of a surface mounted permanent ...
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Radial force control of multi sector permanent magnet machines for vibration suppression
... In the proposed work, an alternative radial force and torque control is applied to a multi-sector PM (MSPM) motor consist- ing in a conventional 18 slots - 6 poles surface mounted PMSM featuring a re-arranged ...
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2D Analytical Modeling of Magnetic Vector Potential in Surface Mounted and Surface Inset Permanent Magnet Machines
... brushless surface mounted and surface inset permanent magnet machines considering slotting effects, magnetization orientation and winding layout has been developed in this ...
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Analytical Modeling of Magnetic Field Distribution in Inner Rotor Brushless Magnet Segmented Surface Inset Permanent Magnet Machines
... Brushless permanent magnet surface inset machines are interested in industrial applications due to their high efficiency and power ...density. Magnet segmentation is a common technique ...
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Permanent-magnet brushless machines with unequal tooth widths and similar slot and pole numbers
... of permanent-magnet brushless machines, nonoverlapping stator windings are often employed since they result in shorter end windings and, hence, a lower copper loss and a shorter overall axial length ...
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Analysis of vertical strip wound fault tolerant permanent magnet synchronous machines
... the surface of the conductor and the proximity is the tendency for current to flow in other undesirable patterns that form a localized current distribution in the slot due to the presence of an external field ...
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Turn turn short circuit fault management in permanent magnet machines
... In order to effectively analyse turn-turn faults, an FE model that could specify the location of the fault geometrically and electrically is required. Such a model is build considering each individual turns’ geometrical ...
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A New Subdomain Method for Performances Computation in Interior Permanent-Magnet (IPM) Machines
... NTERIOR permanent magnet (IPM) machines are a good candidate to replace surface-mounted PM machines in high-speed ...IPM machines is important, especially in design and ...
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Comparative study of permanent magnet synchronous and permanent magnet flux switching machines for high torque to inertia applications
... rotor surface has been analyzed in ...rotor surface, which presents lower windage losses [16], without compromising the rotor ...rotor surface and salient pole rotor ...rotor surface is ...
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Analytical Prediction of Cogging Torque for Interior Permanent Magnet Synchronous Machines
... Interior permanent magnet synchronous machines (IPMSMs) are used in different applications such as variable-speed drives, servo drives, electrical vehicles, and industrial drives due to their high ...
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Loss Minimization in Surface Permanent-Magnet Synchronous Motor Drives
... Electric machines are employed in almost every industrial and manufacturing process. The need to save energy has drawn the industrial attention to the losses and efficiency of motors. The main efforts for higher ...
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Rotor resonances of high-speed permanent-magnet brushless machines
... The rotor shaft with an integral end-cap, as shown in Fig. 4, was then considered. As can be seen, a flat surface was ma- chined on to each side of the shaft in order to locate the lamina- tions since a keyway ...
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Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines
... the surface of the magnets, the center of the magnets, and the surface of the rotor hub, respectively, for a slotted permanent magnet brushless motor, whose main parameters are given in Table ...
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Analytical modelling of modular and unequal tooth width surface-mounted permanent magnet machines
... It is worth noting that the analytical model using simple air-gap relative permeance can also be extended to calculate the cogging torque by calculating the lateral force acting on the teeth [11]. This is however not the ...
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Magnet Eddy Current Loss Reduction in Permanent Magnet Machines
... for magnet eddy current loss ...interior permanent magnet (IPM) machine, and there might be a mechanical problem if they are employed for a surface mounted permanent magnet ...
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Multi-Objective Drive-Cycle Based Design Optimization of Permanent Magnet Synchronous Machines
... Research conducted previously has shown that a battery electric vehicle (BEV) motor design incorporating drive-cycle optimization can lead to achievement of a higher torque density motor that consumes less energy over ...
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Comparison Between Line Start PM Synchronous Motor and Induction Motor With Same Nominal Power and Same Pole Pairs When Fed By VF Control Drive
... LSPMSM motor performance when working with electric drives; so when motor speed control performance can affect the electrical drives for motors discussed and analyzed. However, in order to provide a comprehensive ...
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Partitioned Topologies of Switched Flux Permanent Magnet Machines for Electric Vehicles
... Flux Permanent Magnet (SFPM) machines have the advantages of high torque density and high torque per PM volume compared with conventional SFPM ...
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Demagnetisation analysis for Halbach array configurations in electrical machines
... even finer meshing, resulting in even longer solution times This paper thus proposes an analytical technique that investigates the potential of partial demagnetisation in Halbach-equipped, PM machines. The ...
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Impact of soft magnetic material on design of high speed permanent magnet machines
... Electronics, Machines and Drives (PEMD) group at Indian Institute of Technology - Delhi ...Electronics, Machines and Controls (PEMC) group at the University of ...electrical machines, optimizing ...
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