Results 1 to 10 of about 590,444 (192)

Analysis on Electromagnetic Field of Continuous Casting Mold Including a New Integral Method for Calculating Electromagnetic Torque

Metals, 2019
Based on the Maxwell’s equations, a finite element model is established to study the characteristics of electromagnetic field in the mold of billet and bloom continuous casting with electromagnetic stirring (M-EMS).
Shaoxiang Li, Hong Xiao, Pu Wang, Huasong Liu, Jiaquan Zhang   +4 more
doaj   +4 more sources

Analysis of Peak Electromagnetic Torque Characteristics for Superconducting DC Induction Heaters

IEEE Access, 2020
The efficiency of novel superconducting direct current (DC) induction heaters can be up to 80-90%. This is much higher than the 40-50% of conventional alternating current induction heaters.
Ping Yang, Shaotao Dai, Tao Ma, Jianmin Huang, Guozhong Jiang, Yawei Wang, Zhiyong Hong, Zhijian Jin   +7 more
doaj   +3 more sources

The Effects of Permanent Magnet Segmentations on Electromagnetic Performance in Ironless Brushless DC Motors

Energies, 2022
This paper investigates the electromagnetic torque by considering back electromagnetic force (back-EMF) trapezoidal degrees of ironless brushless DC (BLDC) motors through the two-dimensional finite element method (2-D FEM).
Fugang Zhai, Liu Yang, Wenqi Fu, Haisheng Tong, Tianyu Zhao   +4 more
doaj   +1 more source

Integrated Impacts of Non-Ideal Factors on the Vibration Characteristics of Permanent Magnet Synchronous Motors for Electric Vehicles

Machines, 2022
The nonlinear electromagnetic vibration of the motor is a major factor that deteriorates the noise, vibration, and hardness (NVH) performance of a vehicle’s electric drive system.
Shuaishuai Ge, Longhui Qiu, Zhigang Zhang, Dong Guo, Honghai Ren   +4 more
doaj   +1 more source

Theoretical and Experimental Study on Claw-Pole Magnetic Levitation Torque Motor for 2D Valve Using Cogging Torque

Actuators, 2022
In this paper, a claw-pole magnetic levitation torque motor (CPMLTM) utilizing cogging torque is proposed as an electromechanical converter (EMC) for two-dimensional valves (2D valve).
Jiahiu Huang, Shulin Xie, Zhankai Song, Sheng Li, Jian Ruan   +4 more
doaj   +1 more source

Structural Multi-Tooth Modification of Hybrid-Excited Doubly Salient Dual-PM Machine for Torque Production Improvement

Applied Sciences, 2023
A hybrid-excited doubly salient dual-PM machine (HE-DSDPM) was presented by using the structural multi-tooth modification for an improvement of torque production. The multi-tooth structure modification of HE-DSDPM was clearly described. The PM and stator
Warat Sriwannarat, Napaporn Phuangpornpitak, Natakorn Thasnas, Authumporn Butkaew, Pattasad Seangwong, Pirat Khunkitti, Apirat Siritaratiwat   +6 more
doaj   +1 more source

Electromagnetic-Thermal Model for Improved Axial-Flux Eddy Current Couplings With Combine Rectangle-Shaped Magnets

IEEE Access, 2018
An improved structure for axial-flux eddy current couplings with combined rectangleshaped magnets is proposed to minimize cogging torque without sacrificing torque density. Then, a novel analytical electromagnetic-thermal model, which takes the change of
Di Zheng, Dazhi Wang, Shuo Li, Haixin Zhang, Linxin Yu, Zhao Li   +5 more
doaj   +1 more source

Analysis and inhibition of radial electromagnetic force in composite magnetic coupler

IET Electric Power Applications, 2023
A new inhibition method was proposed for the problem of harmonic of radial electromagnetic force during the operation of the composite magnetic coupler.
Shuang Wang, Xin Ma, Yongcun Guo, Deyong LI, Shousuo Sun, Zeyong Hu   +5 more
doaj   +1 more source

Characteristics Analysisof Transient Process Electromagnetic Torque of Generator with Stator Winding Short Circuit Fault

Journal of Harbin University of Science and Technology, 2019
In order to study the change characteristics of electromagnetic torque in the transient process of stator internal short circuit fault, based on virtual work principle in dynamic, the electromagnetic torque of transient process after stator winding ...
CHEN Chao, ZHAO Hong-sen, CHEN Xiao-yuan, GE Bao-jun   +3 more
doaj   +1 more source

Influence of Different Rotor Teeth Shapes on the Performance of Flux Switching Permanent Magnet Machines Used for Electric Vehicles

Energies, 2014
This paper investigated a 12-slot/11-pole flux switching permanent magnet (FSPM) machine used for electric vehicles (EVs). Five novel rotor teeth shapes are proposed and researched to reduce the cogging torque and torque ripple of the FSPM machine. These
Jing Zhao, Yashuang Yan, Bin Li, Xiangdong Liu, Zhen Chen   +4 more
doaj   +1 more source