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Xiang Shen, Xu Deng, Barrie Mecrow, Rafal Wrobel and Richard Whalley
The work specifically targets the enhancement of cooling mechanisms in high-power permanent magnet electrical machines, with a direct application in improving the thermal management of stator windings in such devices. This advancement can significantly b...
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Sergey Goolak,Oleg Gubarevych,Eduard Yermolenko,Maxim Slobodyanyuk,Oleksandr Gorobchenko
Pág. 25 - 34
It has been proposed, in order to model an induction motor for vehicles, to employ a system of differential equations recorded in the «inhibited coordinates». To improve the algorithm robustness, the number of the system?s equations was reduced by expres...
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O. M. Bondarev
Pág. 11 - 24
The results of studies on determination of loading level of tractive drive elements in some operating conditions, when the values of frequencies of the change of feeding currents of stator windings are to be obtained in both subcritical and ultracritical...
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O. M. Bondariev
Pág. 113 - 115
The article provides the results of theoretical calculations of short circuit emergency operation modes in supply circuits of the stator windings of asynchronous tractive motors at start-up of the locomotive, hauling a freight train.
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Ranjan Vepa
In this paper, the methodology of how a dynamic model of a conventional permanent magnet synchronous motor (PMSM) may be modified to model the dynamics of a high-temperature superconductor (HTS) machine is illustrated. Simulations of a typical PMSM opera...
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Ranjan Vepa
In this paper, the methodology of how a dynamic model of a conventional permanent magnet synchronous motor (PMSM) may be modified to model the dynamics of a high-temperature superconductor (HTS) machine is illustrated. Simulations of a typical PMSM opera...
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The brushless doubly-fed machine (BDFM) is a special type of machine with two sets of stator windings and one set of rotor winding. The magnetic field of the BDFM is considered to be complex with no regularity. To study the principles of magnetic fields ...
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Shiva Nourifard, Seyyed Hasheminejad, Majid Jami
In this study, design, design calculations and simulation of a permanent magnet generator, which includes two sections of radial and axial flux, are discussed. The output power from the generator is 1.1 kilowatt. In the design of the generator, a cone-sh...
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Xuanyang Hu, Yuping Qian, Chaofan Dong, Yangjun Zhang, Changjiang Wang and Weilin Zhuge
Equipped with a distributed electric propulsion system, eVTOL is the primary vehicle for future urban air mobility. The electrical machine determines the weight of the distributed electric propulsion system, and the cooling capability determines the elec...
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Chun-Yao Lee and Wen-Cheng Lin
This study proposes a fast correlation-based filter with particle-swarm optimization method. In FCBF?PSO, the weights of the features selected by the fast correlation-based filter are optimized and combined with backpropagation neural network as a classi...
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Heorhii Kulinchenko,Andrii Mssliennikov,Viktor B?hut?,Vladymir Chervyakov
Pág. 36 - 44
The operation features of the stop valve electric drive are analyzed. It is found that the drive of stop valves, implemented on the basis of induction motors, is characterized by low energy efficiency. For the purposeful improvement of the energy efficie...
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Guangtao Zhang, Junyong Wu and Liangliang Hao
Inter-turn short circuit of field windings (ISCFW) may cause the field current of a generator to increase, output reactive power to decrease, and unit vibration to intensify, seriously affecting its safe and stable operation. Full integration of mechanic...
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Ping Zheng, Qian Wu, Jingang Bai, Chengde Tong and Zhiyi Song
A novel brushless double rotor machine (BDRM) is proposed in this paper. The BDRM is an important component in the brushless compound-structure permanent-magnet synchronous machine (CS-PMSM) system, which is a promising technology for power-split hybrid ...
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