Results 161 to 170 of about 354,332 (193)

Comparison of FPCB windings of BLDC machines with paralelly and radially magnetized rotor poles

2014 17th International Conference on Electrical Machines and Systems (ICEMS), 2014
A technological leap is occurring in slotless brushless motors. Windings made of copper wires are replaced by windings printed on a flexible PCB. This technology offers a potential of new shapes and new topologies of the windings, increasing the efficiency of the slotless brushless motor.
Dehez, B., Baudart, F., Perriard, Y.
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Consequent Pole Toroidal Winding Dual Rotor Permanent Magnet Synchronous Machines

2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020
Reduced rare-earth permanent magnet machine is an appealing research topic recently due to several challenging issues of rare-earth magnets. This paper proposes a new consequent pole toroidal winding dual rotor permanent magnet synchronous machine with reduced rare-earth volume.
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Comparison of the vibration of 2-pole and 4-pole cylindrical-rotor alternators due to shorted -turns in the field winding

IEEE International Conference on Electric Machines and Drives, 2005., 2005
This manuscript discusses the sources of vibration in cylindrical-rotor synchronous machines, in particular generators. The discussion is focused on the main commonalities and differences between the sources of vibration in two-and four-pole ...
I. Kerszenbaum, G. Klempner
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Rotor structure suppressing suspension force ripple in an IPM type bearingless motor with 2-pole motor windings and 4-pole suspension windings

2012 XXth International Conference on Electrical Machines, 2012
A bearingless motor has integrated characteristics of an electrical motor and a magnetic bearing. In general, surface permanent magnet (SPM) type rotor structure with a ring magnet magnetized in parallel is employed in high-speed PM type bearingless motors.
Tatsuya Matsuzaki, Masatsugu Takemoto, Satoshi Ogasawara, Satoru Ota, Kazunobu Oi, Daiki Matsuhashi   +5 more
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New high voltage 2-pole concentrated winding and corresponding rotor design for induction machines

IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, 2015
This paper presents a design of a two-pole high voltage induction machine with concentrated coils wound on twelve stator teeth. Using a combined wye-delta winding a magnetomotive force distribution with a low content of space harmonics is created. For suppression of still existing undesirable slot harmonics, a special interconnection of rotor bars is ...
Oleg Moros, Gurakuq Dajaku, Christian Klusmann, Dieter Gerling   +3 more
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Iron Loss Modeling in Dual Stator Winding Induction Machines With Unequal Pole Pairs and Squirrel Cage Rotor

IEEE Transactions on Industrial Electronics, 2021
This article pertains to dual stator winding induction machines (DSWIMs) modeling and proposes an equivalent electrical circuit for DSWIMs that considers the iron loss effect. It is proved that the iron loss in DSWIMs is comprised of two independent parts resulting from their winding sets.
Mojtaba Ayaz Khoshhava, Hossein Abootorabi Zarchi, Gholamreza Arab Markadeh   +2 more
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A Novel HTS Wind Generator Having Permanent Magnets Between the Rotor Pole-Tips

IEEE Transactions on Applied Superconductivity, 2019
Superconducting direct-drive wind generators have been proposed as a possible approach for offshore wind energy application due to their inherent high torque density and small mass compared with conventional electrical machine. In this paper, a novel 10 MW high temperature superconducting (HTS) salient pole synchronous wind generator with additional ...
Yi Cheng, Ronghai Qu, Dawei Li, Canruo Chen, Feng Lin   +4 more
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Investigation of Segmented Rotor FEFSSM with Non-Overlap Windings in Various Slot-Pole Configurations

2019 IEEE Student Conference on Research and Development (SCOReD), 2019
Salient rotor field excitation flux switching synchronous motor (FEFSSM) could be considered as the most feasible candidate in high speed condition owing to their robustness and flux control ability. Nevertheless, the existing FEFSSM utilizes overlapped field excitation coil (FEC) and armature windings, the material cost, motor size and rise of copper ...
Mohd Fairoz Omar, Erwan Sulaiman, Md Zarafi Ahmad, Faisal Khan   +3 more
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Test results of the world's largest four-pole generators with water-cooled stator and rotor windings

IEEE Transactions on Power Apparatus and Systems, 1975
Two turbogenerators, the largest ever produced with direct water-cooling of both rotor and stator windings, were completed and tested early in 1974. Their losses and efficiency from test, together with temperatures in critical areas and cooling circuit behavior are described.
A. Abolins, F. Rieger
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Core loss analysis on multi-pole-rotor doubly salient electro-magnetic wind generator

2009 World Non-Grid-Connected Wind Power and Energy Conference, 2009
Wind generator has a typical characteristic of more pole-pairs number on the occasion of low speed and high power, and DSEG should adopt multi-pole-rotor structure for the corresponding relation of pole-pairs number and rotor pole number. The increase of rotor-pole number leads to the obvious increase of core loss. Flux waveform of different part of 24-
Quan Zhang, Zhuoran Zhang, Yangyang Tao, Bo Zhou   +3 more
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