Results 191 to 200 of about 2,992,595 (224)

Effect of Gear Ratio on a Magnetic Gear Integrated Switched Reluctance Motor

Annual Conference of the IEEE Industrial Electronics Society, 2023
Electric motors with high torque density are sought after in applications with constrained equipment footprint. In recent years, torque density enhancement is often being achieved by using magnetic gears with the motors.
Saptarshi Dey, Baylon G. Fernandes, K. Chatterjee   +2 more
semanticscholar   +1 more source

An Optimal Design and Analysis of Pole Shaping in HTS Coaxial Magnetic Gear

2023 3rd International Conference on Electrical Machines and Drives (ICEMD), 2023
This study proposes an optimal design of the rotor pole shaping topology with high temperature superconductive bulks in spoke-type inner permanent magnet radial flux magnetic gear to reduce cogging torque and boost torque density.
Mostafa Madanchi Zaj, Seyed Ahmadreza Afsari Kashani   +1 more
semanticscholar   +1 more source

Cogging Torque Reduction of Integer Gear Ratio Axial-Flux Magnetic Gear for Wind-Power Generation Application by Using Two New Types of Pole Pieces

IEEE transactions on magnetics, 2022
Flux-modulated-type magnetic gears are expected to be applied as a step-up gear for wind-power generation because of their advantages, including high torque density and maintenance-free operation.
Boqun Dai, Kenji Nakamura, Yuma Suzuki, Y. Tachiya, K. Kuritani   +4 more
semanticscholar   +1 more source

Mechanical Variable Magnetic Gear Transmission: Concept and Preliminary Research

IEEE Robotics and Automation Letters, 2022
This letter presents a novel concept of a non-contact variable transmission mechanism using a coaxial magnetic gear. Conventional variable transmissions have provided a function of a robust transmission shifting; However, their inherent contact ...
Edgar Lee, Hangyeol Song, JI. Jeong, Seokhwan Jeong   +3 more
semanticscholar   +1 more source

A Novel Magnetic Gear Integrated Segmented Rotor SRM with Reduced Rare-Earth Material

International Conference on Industrial Technology
Torque density enhancement of electric motors by magnetic gear integration is becoming increasingly popular. However, the cost and supply of high energy density rare-earth permanent magnets are of concern.
Saptarshi Dey, Baylon G. Fernandes, K. Chatterjee   +2 more
semanticscholar   +1 more source

Topology Optimization of the Reluctance Coaxial Magnetic Gear

IEEE transactions on magnetics, 2022
The reluctance coaxial magnetic gear (RMG) has been recently considered for high-speed applications. Here, topology optimization (TO) is applied to the variable reluctance component of the RMG, with the objective of maximizing the RMG’s volumetric torque
R. Safarpour, S. Pakdelian
semanticscholar   +1 more source

A New Star-Type Rotor Topology in Radial Flux Magnetic Gear

2024 4th International Conference on Electrical Machines and Drives (ICEMD)
Mechanical gears have been replaced with magnetic gears, which provide the advantages of increased dependability and high efficiency in noncontact torque transfer.
Mojtaba Malakooti Khaledi, Seyed Ahmadreza Afsari Kashani, Mostafa Madanchi Zaj   +2 more
semanticscholar   +1 more source

Triple-speed coaxial magnetic gear for wind turbine applications: introduction and comprehensive analysis

Compel, 2022
Purpose This paper aims to introduce a new structure for coaxial magnetic gears. Design/methodology/approach The study discusses the design and electromagnetic modeling of a triple-speed coaxial magnetic gear (TSCMG) for three different levels of ...
A. Moghimi, Mahmood Hosseini Aliabadi, H. Feshki Farahani   +2 more
semanticscholar   +1 more source

Optimization of Dual-Flux-Modulator Magnetic Gear With HTS Bulks and Uneven Segment Based on GA

IEEE transactions on applied superconductivity, 2022
Spoke structure can increase the torque density of coaxial magnetic gear (CMG). However, the outer rotor can produce a large number of magnetic leakages. To improve the utility of PMs, a novel magnetic gear was proposed in this paper.
L. Jing, Tao Wang, Y. Pan, Can Tan, R. Qu   +4 more
semanticscholar   +1 more source

A Novel 3-D Mathematical Modeling Method on the Magnetic Field in Nutation Magnetic Gear

IEEE transactions on magnetics, 2022
Accurate prediction of the magnetic field is an essential guideline for permanent magnetic gear design and optimization. The existing magnetic field calculation methods are divided into 2-D and 3-D calculation methods.
J. Ding, Ligang Yao, Zetong Xie, Zhen-Yu Wang, Gang Chen   +4 more
semanticscholar   +1 more source