Journal ArticleDOI
Design of polyphase motors with PM excitation
A. Levran,E. Levi +1 more
TLDR
In this paper, a general model for synchronous motors with permanent magnet excitation is established and the dependence of the electric and magnetic loadings on the angle between the armature and field excitations is put in evidence.Abstract:
Design guidelines are presented for synchronous motors with permanent magnet (PM) excitation. A general model is established and the dependence of the electric and magnetic loadings on the angle between the armature and field excitations is put in evidence. For this angle there exists an optimal value which yields maximum torque for maximum allowable flux density in the teeth. Another value yields the minimum volume for the permanent magnets. These values guide the selection of the operating point of the motor and its preliminary design. It is found that, when the pole pitch exceeds a certain value, the magnet requires more space than a current carrying winding.read more
Citations
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Journal ArticleDOI
Performance of large line-start permanent magnet synchronous motors
M.A. Rahman,A.M. Osheiba +1 more
TL;DR: In this paper, a 25hp permanent magnet synchronous motor using SmCo/sub 5/ and NdBFe magnets was presented, and the rotor was tested for the straight interior rotor magnet arrangement.
Proceedings ArticleDOI
Literature survey of permanent magnet AC motors and drives
Pragasen Pillay,P. Freere +1 more
TL;DR: The authors survey the literature on permanent magnet (PM) motors and drives and include line-start as well as inverter-fed applications and designs and finds the ideal machine back EMF is trapezoidal; in the latter, it is sinusoidal.
Journal ArticleDOI
Electromagnetic and Thermal Design of a Linear Actuator Using Output Polynomial Space Mapping
TL;DR: In this article, the authors describe the optimization methodology used in the design of a slotted tubular permanent-magnet actuator for industrial applications, and a time-effective optimization procedure is obtained by considering simple analytical design equations in coherence with 2-D finite-element analysis as means to establish the various design variables.
Journal ArticleDOI
Overview of research evolution in the field of line start permanent magnet synchronous motors
TL;DR: A wide overview of the existing line start permanent magnet synchronous motors literature is presented in this paper, where the treatment of the subject has been effectively sub-divided in to five sections; (i) rotor topologies and design, (ii) steady state analysis, (iii) transient state analysis and (iv) parameter estimation.
A State of Art on Different Configurations of Permanent Magnet Brushless Machines
TL;DR: This paper presents a comprehensive review of different configurations of PMBL machines, their rotor geometries and application potential, state of art and recent trends in PMBL Machines.
References
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Journal ArticleDOI
The Fields and Parameters of Interior Type AC Permanent Magnet Machines
TL;DR: In this article, the air gap fields caused by the magnets and armature currents are derived from the first principles of permanent magnet machines and the three most important parameters are derived: namely, the direct and quadrature axes inductances Ld and Lq and the open-circuit voltage Eo.
Journal ArticleDOI
Development of a High Speed 2-Pole Permanent Magnet Synchronous Motor
TL;DR: In this paper, a 2-pole permanent magnet synchronous motor with a rated speed of 12,000 r/min and rated out put of 1.0 kW has been developed.
Journal ArticleDOI
Comparison Between Features and Performance Characteristics of Fifteen HP Samarium Cobalt and Ferrite Based Brushless DC Motors Operated by Same Power Conditioner
TL;DR: In this paper, the impact of samarium-cobalt and ferrite magnet materials on the design and performance characteristics of electronically commutated brushless dc motors of equal horsepower output is presented.