Results 251 to 260 of about 1,108,328 (294)

Axial flux segmental rotor flux-switching synchronous motor

2015 IEEE Energy Conversion Congress and Exposition (ECCE), 2015
A novel three-phase, concentrated winding, axial flux, segmental rotor, flux-switching synchronous motor is presented. The proposed topology has rotor segments made of only iron laminations and operates with flux-switching principle. Compared to existing axial flux permanent magnet (AFPM) topologies, the proposed machine contains reduced amount of ...
Md Ashfanoor Kabir, Adeeb Ahmed, Iqbal Husain   +2 more
openaire   +1 more source

Flux-regulation capability of hybrid-excited flux-switching machines

2012 XXth International Conference on Electrical Machines, 2012
In this paper, the flux-regulation capability of a 12-stator-slot/10-rotor-pole hybrid excitation flux-switching (HEFS) machine with three types of magnet materials, namely Ferrite, SmCo and NdFeB, are evaluated based on finite element analysis. Due to the unique constrained dimensions between the magnets and field windings slots as well as the ...
Wei Hua, Gan Zhang, Xiaomei Yin, Ming Cheng   +3 more
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Single flux quantum crossbar switch

IEEE Transactions on Appiled Superconductivity, 1997
A crossbar switch has been designed using Single Flux Quantum (SFQ) gates exclusively for all internal functions. A 4/spl times/4 prototype has been fabricated in our Nb process foundry with J/sub c/ of 2000 A/cm/sup 2/. We report on the design and performance of the switch and of an individual crosspoint element at high data rates (/spl ges/1 Gbps). A
null Qing Ke, B.J. Dalrymple, D.J. Durand, J.W. Spargo   +3 more
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Servo flux switching PM machines

2014 International Conference on Electrical Machines (ICEM), 2014
To date, flux switching permanent magnet (FSPM) machines have been treated due to their high torque capability. This paper investigates the suitability of FSPM for servo applications in terms of acceleration, stall torque and thermal overloading capability. The effect of different design parameters is investigated on a 3-phase 12/10 FSPM.
Ilhan, E., Balyovski, T.L., Paulides, J.J.H., Lomonova, E.A.   +3 more
openaire   +2 more sources

New Single-Phase Flux Switching Axial Flux Permanent Magnet Motor

IEEE Transactions on Magnetics, 2017
In this paper, a new topology of a single-phase flux switching permanent magnet motor (FSPM) is presented. Unlike conventional FSPMs, the air-gap flux flows in the axial direction, and therefore, it is named the flux switching axial flux permanent magnet motor (FS AFPM).
Qurban Ali Shah Syed, Haris Kurtovic, Ingo Hahn   +2 more
openaire   +1 more source

Flux-weakening control performance of partitioned stator switched flux PM machines

2015 IEEE International Electric Machines & Drives Conference (IEMDC), 2015
This paper first investigates the flux-weakening control performance of two types of partitioned stator-switched flux permanent-magnet (PM) (PS-SFPM) machines and then proposes a novel mechanical flux-weakening technique. The PS-SFPM machine topologies, operation principles, and flux-weakening control method are described. In addition, it is shown that
D. J. Evans, Z. Q. Zhu, H. L. Zhan, Z. Z. Wu, X. Ge   +4 more
openaire   +1 more source

Models of elastic and inelastic flux switching

IEEE Transactions on Magnetics, 1966
The total \dot{\phi}(t) waveform of a square-loop magnetic core switched by MMF F(t) from negative remanence \phi = -\phi_{r} is composed of elastic \dot{\phi}_{\epsilon}(t) , decaying inelastic \dot{\phi}_{i}(t) , and bell-shaped main inelastic \dot{\phi}_{ma}(t) . The worst delta noise in a coincident-current memory core pair is essentially \dot{\phi}
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Computation of flux switching in magnetic circuits

IEEE Transactions on Magnetics, 1965
A number of physical and semiempirical flux-switching models that have appeared in the literature are reviewed briefly and classified. A thin ferrite core is switched by essentially a step mmf (with short rise time T r ). Three components of the total \dot{\phi}(t) are distinguished and semiempirical models are proposed for each : 1) an initial elastic
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Axial Flux Switched Reluctance Machines

2019
Switched reluctance machines (SRM) can fall into three classifications based on the direction of flux through the air gap: radial, transversal, and axial flux. The first axial flux machine was developed in 1821 by British physicist Michael Faraday. He invented a primitive disc motor that was the early form of an electric machine.
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Flux Switching in Overdriven Multipath Cores

Journal of Applied Physics, 1963
Flux-switching phenomena characteristic to multipath cores result from the dependence of switching in one leg (a physical branch between the core junctions) on switching in the others. Reversible Δφ in a leg driven far into saturation may cause appreciable irreversible Δφ in other legs.
openaire   +1 more source