All Outputs (39)
Torque Performance Enhancement of Flux-Switching Permanent Magnet Machines With Dual Sets of Magnet Arrangements (2021)
Journal Article
Torque performance, especially torque density, is a critical performance index for the flux-switching permanent magnet (FSPM) machine that is attractive for the propulsion system. In this article, a novel FSPM machine with dual sets of magnet arrange... Read More about Torque Performance Enhancement of Flux-Switching Permanent Magnet Machines With Dual Sets of Magnet Arrangements.
Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations (2020)
Conference Proceeding
This paper presents a comparison between hairpin and random distributed winding in electrical machines for automotive applications. Indeed, the overall performance of an electrical drive system is seriously affected by its winding design. The conside... Read More about Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations.
Influence of Airgap Length on Performance of High Power PM-Assisted Syn-Rel Machines (2020)
Conference Proceeding
In recent years, synchronous reluctance (Syn-Rel) machines are research hotspots in variable speed motor drives due to their robust rotor structure and wide constant power speed range (CPSR). More practically, when kVA limitation is considered, embed... Read More about Influence of Airgap Length on Performance of High Power PM-Assisted Syn-Rel Machines.
Multi-physics Design Optimisation of PM-assisted Synchronous Reluctance Motor for Traction Application (2019)
Conference Proceeding
Recently, the synchronous reluctance machine limits have been pushed toward meeting the requirements of traction applications. A skilled electromagnetic architecture of a synchronous reluctance machine with the help of permanent magnets can push the... Read More about Multi-physics Design Optimisation of PM-assisted Synchronous Reluctance Motor for Traction Application.
High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles (2019)
Conference Proceeding
High power density and high torque density are the fundamental requirements for electric machines used in traction application. The former is obtained by potentially increasing the speed of the machine while the latter by using high energy density ra... Read More about High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles.
Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle (2019)
Conference Proceeding
Computational Fluid Dynamics (CFD) was used to carry out a fluid flow and thermal investigation of a high power dense traction machine for electric commercial vehicle. One of the features of the machine design considered is the high Length/Diameter (... Read More about Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle.
Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine (2019)
Conference Proceeding
The growing trend of high speed, high power density machines for applications such as EVs, aerospace and machine tools demand these machines to work at higher electrical frequencies. Meanwhile, increasing the fundamental frequency leads to pronounced... Read More about Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine.
A Novel Zero-Sequence Current Elimination PWM Scheme for an Open-Winding PMSM With Common DC Bus (2019)
Journal Article
This paper introduces a novel pulsewidth modulation (PWM) scheme for an open-winding permanent magnet synchronous machine (OW-PMSM) driven by dual two-level three-phase inverter with common dc bus, which can effectively deal with the inherent zero-se... Read More about A Novel Zero-Sequence Current Elimination PWM Scheme for an Open-Winding PMSM With Common DC Bus.
Dual-Segment Three-Phase PMSM With Dual Inverters for Leakage Current and Common-Mode EMI Reduction (2018)
Journal Article
In a motor drive system, the inverter working in discrete and impulse states generates a common-mode voltage (CMV) at the terminal of the stator winding neutral point. The high-frequency CMV can induce a leakage current and a common-mode (CM) electro... Read More about Dual-Segment Three-Phase PMSM With Dual Inverters for Leakage Current and Common-Mode EMI Reduction.
Flexible Energy Conversion Control Strategy for Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine in Hybrid Vehicles (2018)
Journal Article
Due to the advantages of high torque density and compact mechanical structure, brushless dual-mechanical-port dual-electrical-port (BLDD) permanent magnet (PM) machine has become a promising alternative in series-parallel hybrid electrical vehicles (... Read More about Flexible Energy Conversion Control Strategy for Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine in Hybrid Vehicles.
A Multiple Working Harmonic PM Vernier Machine With Enhanced Flux-Modulation Effect (2018)
Journal Article
Inductance Evaluation and Sensorless Control of a Concentrated Winding PM Vernier Machine (2018)
Journal Article
Due to the advantages of high torque density and simple mechanical structure, permanent magnet vernier (PMV) machines have attracted more and more research interests. In this paper, the inductance nonlinearity of an advanced concentrated winding PMV... Read More about Inductance Evaluation and Sensorless Control of a Concentrated Winding PM Vernier Machine.
Analysis of Fractional-Slot Concentrated Winding PM Vernier Machines With Regular Open-Slot Stators (2017)
Journal Article
Permanent magnet (PM) vernier (PMV) machines have been extensively researched for direct-drive applications due to their inherently high torque density. This paper presents a quantitative investigation on fractional-slot concentrated winding PMV (FSC... Read More about Analysis of Fractional-Slot Concentrated Winding PM Vernier Machines With Regular Open-Slot Stators.
Advanced High Torque Density PM Vernier Machine With Multiple Working Harmonics (2017)
Journal Article
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 vernier (PMV) machines with lap windings always suffer from long end winding len... Read More about Advanced High Torque Density PM Vernier Machine With Multiple Working Harmonics.
A Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine With Spoke Array Magnets in Flux Modulator (2017)
Journal Article
Brushless dual-mechanical-port dual-electrical-port (BLDD) permanent magnet (PM) machines have been gaining more and more attentions in recent years, with the merits of two decoupled rotors and contactless torque transmission. However, existing BLDD... Read More about A Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine With Spoke Array Magnets in Flux Modulator.
Performance Comparison of Surface and Spoke-Type Flux-Modulation Machines With Different Pole Ratios (2017)
Journal Article
In this paper, performance comparison between surface and spoke-type flux modulation (FM) permanent magnet (PM) machines is presented. Generally, spoke-array magnet arrangement is capable of increasing the torque density of PM machines due to its flu... Read More about Performance Comparison of Surface and Spoke-Type Flux-Modulation Machines With Different Pole Ratios.
Analysis of a Dual-Rotor, Toroidal-Winding, Axial-Flux Vernier Permanent Magnet Machine (2017)
Journal Article
In this paper, a vernier permanent magnet (VPM) machine with dual-rotor toroidal-winding axial-flux topology is analyzed. Through the combination of toroidal windings with the rotor-stator-rotor topology, the end winding length of the proposed machin... Read More about Analysis of a Dual-Rotor, Toroidal-Winding, Axial-Flux Vernier Permanent Magnet Machine.