COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 35 Issue 2

Electromagnetic performance of switched flux PM machines with two separate stators

– The purpose of this paper is to propose a novel type of switched flux PM machines with two separate stators.

Partitioned stator flux reversal machines having Halbach array PMs

In this paper, the partitioned stator flux reversal permanent magnet (PM) (PS-FRPM) machines with Halbach array PMs are investigated to compare with the machine having the…

Fundamental characteristics and first prototype of a novel claw pole type half-wave rectified variable field flux motor

Recently, considerable attention has been attracted to the development of the new concept motor for EV or HEV. Wider torque and speed controllable operating range and high…

Investigation of modular odd-pole PM linear synchronous motors with flux gaps

Nowadays, to simplify manufacture process and improve fault-tolerant capability, more and more modular electrical machines are being applied in industrial areas. The purpose of…

A five-phase 20-slot/18-pole PMSM for electric vehicles

The purpose of this paper is to investigate a five-phase permanent-magnet synchronous machine (PMSM) that features high-power density and high-fault-tolerant capability for…

Switched-flux machines with hybrid NdFeB and ferrite magnets

– The purpose of this paper is to comparatively study the conventional, i.e. single magnet, and novel hybrid-magnet switched-flux permanent-magnet (HMSFPM) machines.

Novel switched flux machine with radial and circumferential permanent magnets

– The paper purposes a novel SFPM machine topology with radial and circumferential permanent magnets (PMs). The paper aims to discuss this issue.

Influence of design parameters on inductances of e-core axial field flux-switching permanent magnet machines

Axial field flux-switching permanent magnet machine (AFFSPMM) can be applied in the field of electric and hybrid electric vehicles because of short axial size, large torque…

Design of external rotor switched flux memory machine with hybrid magnets

The purpose of this paper is to propose the design concepts of external rotor switched flux hybrid magnet memory machine (SFHMMM) to further increase the torque capability while…

Influence of end-effect on torque-speed characteristics of various switched flux permanent magnet machine topologies

The purpose of this paper is to investigate and compare the influence of end-effect on the torque-speed characteristics of three conventional switched flux permanent magnet (SFPM…

Modeling and simulation analysis of the hybrid excitation synchronous machine system utilizing tooth harmonic for excitation

The purpose of this paper is to propose a novel hybrid excitation permanent magnet synchronous generator (HEPMSG) utilizing tooth harmonic for excitation, the structural features…

Design of a novel permanent magnet linear synchronous motor with segmented armature core for ropeless lifter

Due to the merits of direct driven, high thrust density and high efficiency, PM linear synchronous motor (PMLSM) is pretty suitable for the long-stroke ropeless lifter. However…

Comparison between induction machine and interior permanent magnet machine for electric vehicle application

The purpose of this paper is to make a quantitative comparison between induction machine (IM) and interior permanent magnet machine (IPM) for electric vehicle applications, in…

Design of synchronous reluctance and permanent magnet synchronous reluctance machines for electric vehicle application

The purpose of this paper is to minimize the optimization parameter number of synchronous reluctance machine (SynRM) and permanent magnet (PM) assisted SynRM, and compare their…

Comparative study on synchronous reluctance and PM machines

The purpose of this paper is to comparatively study a synchronous reluctance machine (SynRM) and a permanent magnet assisted synchronous reluctance machine (PMASynRM) as…

Analytical sub-domain model for predicting open-circuit field of permanent magnet vernier machine accounting for tooth tips

Due to high electromagnetic torque at low speed, vernier machines are suitable for direct-drive applications such as electric vehicles and wind power generators. The purpose of…

Cogging torque in SPM machine with segmented stator

The purpose of this paper is to evaluate the cogging torque in a surface-mounted permanent magnet (SPM) machine with both uniformly and non-uniformly segmented stator cores and to…

Analysis of thrust ripple harmonics on different electric loadings in PM linear synchronous machines with skewed PMs

Permanent magnet linear synchronous machines (PMLSMs) have large thrust ripple due to the longitudinal end effect caused by the finite length of the armature compared with rotary…

Linear induction motor drive for woodworking machine application

The purpose of this paper is to study a woodworking machine, in which a linear induction motor (LIM) is applied to feed the wood to be processed into the cutting saw. The LIM is…

3D eddy current and temperature field analysis of edge induction heater

The temperature drop, especially in the edge of rolled steel in the hot rolling cooling has a catastrophic effect on the steel quality. The purpose of this paper is to study the…

Thermal modeling and analysis of double-sided water-cooled permanent magnet linear synchronous machines

With the popularization of permanent magnet linear synchronous machines (PMLSMs) in recent years, the temperature rise has attracted increasingly attention since excessive heat…

Equivalent stator slot model of temperature field for high torque-density permanent magnet synchronous in-wheel motors accounting for winding type

For high torque-density permanent magnet synchronous in-wheel motor, service life and electromagnetic performance are related directly to winding temperature. The purpose of this…

Analysis and determination of mechanical bearing load caused by unbalanced magnetic pull

The purpose of this paper is to focus on the mechanical bearing load caused by the unbalanced magnetic pull (UMP), which is studied in detail. The applied approach is based on an…

Influence of back-EMF and current harmonics on sensorless control performance of single and dual three-phase permanent magnet synchronous machines

The purpose of this paper is to investigate the influence of back-EMF and current harmonics on position and speed estimation accuracy for single and dual three-phase (DTP…

DTC of reconfigured three level inverter fed IM drives following a leg failure

The purpose of this paper is to deal the adaptation of a direct torque control (DTC) strategy, originally dedicated to three level three leg inverter fed induction motor (IM…

Control simulation of PMSM traction system of high speed train when passing neutral section

In electric system of high-speed trains, neutral sections are set to balance the three-phase load. When passing neutral sections, the train should detach from the power supply for…

The efficiency characteristics analysis and optimization of the magnetic resonance wireless power transmission to multiple receivers

Consider the mutual coupling between loads, the purpose of this paper is to study the total transmission efficiency based on different load coil positions relative to the charging…

Influence of interlocking dowels on motor core loss

The purpose of this paper is to investigate the effect of the interlocking process on the iron loss in the lamination core and to increase the efficiency of electrical machines…

Sub-domain analytical model for armature reaction field of permanent magnet vernier machine

An analytical sub-domain model is developed for predicting the armature magnetic field in permanent magnet vernier machine (PMVM) which has either non-overlapping or overlapping…

Research on yokeless double-sided multi-tooth flux-switching linear motor

Due to the advantages of direct driven, high thrust density, and high efficiency, flux-switching linear motor (FSLM) is required for many applications, including aerospace and…

Special issue on recent advances in electrical machines