Journal ArticleDOI
Synchronous reluctance machines―a viable alternative for AC drives?
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In this article, it was shown that substantial improvements can be made in the design of such motor drives resulting in performance characteristics which match or even exceed that of the induction machine, based on the analysis presented in this paper.Abstract:
Although design of the variable reluctance (switched reluctance( type of synchronous machine has experienced intense activity in recent years, relatively little effort has been expended on improving the torque capability of the synchronous reluctance type of motor drive. Based on the analysis presented in this paper, it appears that substantial improvements can be made in the design of such motor drives resulting in performance characteristics which match or, indeed, perhaps even exceed that of the induction machine.read more
Citations
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Journal ArticleDOI
Electrical Machines and Drives for Electric, Hybrid, and Fuel Cell Vehicles
Zi-Qiang Zhu,David Howe +1 more
TL;DR: In this article, the relative merits of induction, switched reluctance, and permanent-magnet (PM) brushless machines and drives for application in electric, hybrid, and fuel cell vehicles are reviewed.
Electrical Machines and Drives for Electric, Hybrid, and Fuel Cell Vehicles Induction and switched-reluctance machines can provide the needed characteristics, but permanent magnet brushless machines offer a higher efficiency and torque density.
Zi-Qiang Zhu,David Howe +1 more
TL;DR: This paper reviews the relative merits of induction, switched reluctance, and permanent-magnet brushesless machines and drives for application in electric, hybrid, and fuel cell vehicles, with particular emphasis on PM brushless machines.
Proceedings ArticleDOI
Sensorless control of AC machines at low speed and standstill based on the "INFORM" method
TL;DR: In this paper, the authors present the "INFORM" method based on real-time inductance measurements for sensorless control of AC drives, which reduces robustness and increase costs of a drive considerably.
Journal ArticleDOI
Rotor design optimization of synchronous reluctance machine
T. Matsuo,Thomas A. Lipo +1 more
TL;DR: In this article, the rotor design of synchronous reluctance machines can be optimized in terms of a key geometric parameter, i.e., the ratio of the rotor insulation width to the rotor iron width so as to obtain maximum torque production.
Journal ArticleDOI
Field-weakening performance of interior permanent-magnet motors
Wen L. Soong,Nesimi Ertugrul +1 more
TL;DR: It was found that the performance of the axially laminated synchronous reluctance machine was comparable with the induction machine while the interior permanent-magnet motors offered significantly better output power above rated speed.
References
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Journal ArticleDOI
Variable-speed switched reluctance motors
TL;DR: In this article, the theory and potential of a family of doubly salient electronically-switched reluctance motors is explored. But the most recent prototype has achieved a continuous rating which is 1.4 times that of the equivalent induction motor.
Journal ArticleDOI
Microcomputer Control of Switched Reluctance Motor
TL;DR: A microcomputer-based four-quadrant control system of a switched reluctance motor is described, which incorporates a startup operation, sequencing, and synchronized angle steering control.
Journal ArticleDOI
Polyphase reaction synchronous motors
TL;DR: The reaction synchronous motor (RSM) is one of the oldest types of electric motors, antedating the induction motor by many years as discussed by the authors, and it was used only in connection with instruments, such as the oscillograph etc., later its simplicity and exactness in keeping in step made it the standard driving motor for rectifying devices such as are used for charging lowvoltage batteries, supplying high-tension unidirectional current for x-ray and electric precipitation apparatus etc., where the power may amount to several h p.
Journal ArticleDOI
Theory and performance of polyphase reluctance machines
P.J. Lawrenson,L.A. Agu +1 more
TL;DR: In this paper, a reluctance machine with radial poles replaced by circumferential segments is described, which exhibits unusual characteristics, and it is shown that the ideas of m.m.f. have to be abandoned, those of magnetic potential being employed instead.
Journal ArticleDOI
High-Performance Switched Reluctance Brushless Drives
William Frederick Ray,P.J. Lawrenson,Rex M. Davis,J. Michael Stephenson,Norman N. Fulton,Roy J. Blake +5 more
TL;DR: Switched reluctance (SR) drives offer the advantages of simple and robust motor construction, high speeds, high overall efficiencies over a wide operating range of torque and speed, simple power converter circuits with a reduced number of switches, and excellent controllability as discussed by the authors.