Critical review of direct-drive electrical machine systems for electric and hybrid electric vehicles

S Cai, JL Kirtley, CHT Lee - IEEE Transactions on Energy …, 2022 - ieeexplore.ieee.org
With ever-increasing concern of fossil fuel storage and environmental pollution,
transportation electrification has recently attracted extensive attention. In conventional …

Emerging electric machines and drives—An overview

C Liu - IEEE Transactions on Energy Conversion, 2018 - ieeexplore.ieee.org
With the increasing concerns on more electricity or full electricity for modern energy
conversion systems, the key component of electric machine, has been paid more and more …

High-power-factor vernier permanent-magnet machines

D Li, R Qu, TA Lipo - IEEE transactions on industry applications, 2014 - ieeexplore.ieee.org
Vernier permanent-magnet (VPM) machines are well known for high torque density but low
power factor. This paper deals with the low power factor of VPM machines. The goal is not …

Operation and design principles of a PM vernier motor

B Kim, TA Lipo - 2013 IEEE Energy Conversion Congress and …, 2013 - ieeexplore.ieee.org
In this paper the back-EMF and power equations of a PM vernier motor are derived
accurately considering an air gap permeance function expressed in terms of practical …

Analysis of torque capability and quality in Vernier permanent-magnet machines

D Li, R Qu, J Li, L Xiao, L Wu… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Vernier permanent-magnet (VPM) machines have been obtaining a lot of attention over the
past few years due to several advantages, such as their high torque density and simple …

Etude et commande de génératrices asynchrones pour l'utilisation de l'énergie éolienne-machine asynchrone a cage autonome-machine asynchrone a double …

F Poitiers - 2003 - theses.hal.science
La conversion de l'énergie éolienne en énergie électrique fait appel à de nombreuses
disciplines scientifiques (météorologie pour l'étude du comportement du vent, mécanique et …

Advanced high torque density PM vernier machine with multiple working harmonics

T Zou, D Li, R Qu, D Jiang, J Li - IEEE Transactions on Industry …, 2017 - ieeexplore.ieee.org
In recent years, permanent magnet (PM) vernier machines have gained more and more
attention due to their high torque density and simple mechanical structure. However, PM …

Torque improvement of vernier permanent magnet machine with larger rotor pole pairs than stator teeth number

L Fang, D Li, R Qu - IEEE Transactions on Industrial Electronics, 2023 - ieeexplore.ieee.org
Vernier permanent magnet machines (VPMM) have attracted extensive interest owing to
high torque density. However, VPMM with larger rotor pole pair P r than stator teeth number …

A new efficient permanent-magnet vernier machine for wind power generation

J Li, KT Chau, JZ Jiang, C Liu… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
This paper proposes a new outer-rotor permanent-magnet (PM) vernier machine for direct-
drive wind power generation, which can offer low-speed operation to directly capture wind …

Performance comparison between permanent magnet synchronous motor and Vernier motor for in-wheel direct drive

Y Yu, Y Pei, F Chai… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Nowadays, in-wheel drive mode is considered as one of the most promising modes for
electric vehicles (EVs). The motor type plays a significant role in the vehicle performances …