Design and Operation Characteristics of Four-Two Pole High-Speed SRM for Torque Ripple Reduction

Lee, Dong-Hee; Hiếu, Phạm Trung; Ahn, Jin-Woo

doi:10.1109/tie.2012.2208432

Cited by 147 publications

(53 citation statements)

References 13 publications

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“…The more common application area is for low-power (up to 1kW), low-cost, mass-production markets such as vacuum cleaners and air-blowers [65]- [67]. These machines are typically very simple in construction with a 4 slot, 2 pole configuration commonly used.…”

Section: High Speed Switched Reluctance Machinesmentioning

confidence: 99%

High-Speed Electrical Machines: Technologies, Trends, and Developments

Gerada

Mebarki

Brown

et al. 2014

IEEE Trans. Ind. Electron.

811

256

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A note on versions:The version presented here may differ from the published version or from the version of record. If you wish to cite this item you are advised to consult the publisher's version. Please see the repository url above for details on accessing the published version and note that access may require a subscription.For more information, please contact eprints@nottingham.ac.ukAbstract-This paper reviews the current technologies used in high speed electrical machines, through an extensive survey of different topologies developed and built in industry as well as in academia for several applications. Developments in materials and components including electrical steels and copper alloys are discussed, and their impact on the machines' operating physical boundaries is investigated. The main application areas pulling the development of high speed machines are also reviewed in an effort to better understand the typical performance requirements.Index Terms-high speed electrical machines, high frequency electrical machines, high strength electrical steels, high frequency electrical steels, copper alloys, thermal modeling, mechanical modeling.

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Section: High Speed Switched Reluctance Machinesmentioning

confidence: 99%

High-Speed Electrical Machines: Technologies, Trends, and Developments

Gerada

Mebarki

Brown

et al. 2014

IEEE Trans. Ind. Electron.

811

256

View full text Add to dashboard Cite

show abstract

“…The load for the simulation consists of inertia, friction, and load torque. The load equation is given by (3). …”

Section: Simulation Of the Proposed Motormentioning

confidence: 99%

Design and Analysis of a Segmental Rotor Type 12/8 Switched Reluctance Motor

Zhang¹,

Lee²,

Lee³

et al. 2014

Journal of Power Electronics

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In this paper, a novel 12/8 segmental rotor type switched reluctance motor (SRM) is proposed for cooling fan applications. Unlike conventional structures, the rotor of the proposed structure is constructed from a series of discrete segments, and the stator is constructed from two types of stator poles: exciting and auxiliary poles. Moreover, in this structure, short flux paths are taken and no flux reversion exists in the stator. While the auxiliary poles are not wound by the windings, which only provide the flux return path. When compared with the conventional SRM, the proposed structure increases the electrical utilization of the machine and decreases the core losses, which may lead to a higher efficiency. To verify the proposed structure, the finite element method (FEM) and Matlab-Simulink are employed to get the static and dynamic characteristics of the proposed SRM. Finally, a prototype of the proposed motor was tested for characteristic comparisons.

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“…They can be found in vacuum cleaners, air blowers and similar devices where low price is one of the most important criteria [8], [9]. Ability of this machine type to operate under faulted conditions, in tough environment with very high temperatures puts them in use in aircraft gas turbine applications [10], [11].…”

Section: Introductionmentioning

confidence: 99%

Comparative analysis of rotor losses in high-speed permanent magnet machines with different winding configurations considering the influence of the inverter PWM

Merdzan

Paulides

Lomonova

2015

2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER)

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. (2015). Comparative analysis of rotor losses in high-speed permanent magnet machines with different winding configurations considering the influence of the inverter PWM. In Proceedings of the 10th IEEE International Conference on Ecological Vehicles and Renewable Energies (EVER 2015), March 31 -April 2, 2015. Piscataway: Institute of Electrical and Electronics Engineers (IEEE). General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Abstract-Due to development in fields of materials and power electronics, use of high-speed electrical machines has boosted significantly in recent decades. They are widely used in number of applications, such as electrically assisted turbochargers, flywheel energy storage systems, spindle applications, turbo molecular pumps, micro gas turbines. In applications where high efficiency and high power density are required, the most suitable machine type for high-speed operations is a permanent magnet (PM) machine. In this paper the performance of several different topologies of high-speed PM machines required for use in a micro-gas turbine application are evaluated. Different winding topologies, retaining sleeve materials and magnetization patterns are considered, where the main criterion for the machine performance are eddy current losses in the rotor. Influence of time harmonics in stator currents caused by the inverter Pulse Width Modulation (PWM) is incorporated in the calculation.

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Design and Operation Characteristics of Four-Two Pole High-Speed SRM for Torque Ripple Reduction

Cited by 147 publications

References 13 publications

High-Speed Electrical Machines: Technologies, Trends, and Developments

High-Speed Electrical Machines: Technologies, Trends, and Developments

Design and Analysis of a Segmental Rotor Type 12/8 Switched Reluctance Motor

Comparative analysis of rotor losses in high-speed permanent magnet machines with different winding configurations considering the influence of the inverter PWM

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