COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 34 Issue 1

Torque ripple reduction of synchronous reluctance machines : Optimal slot/pole and flux-barrier layer number combinations

K. Wang, Z.Q. Zhu, G. Ombach, M. Koch, S. Zhang, J. Xu

The purpose of this paper is to investigate the influence of stator and rotor pole number combinations together with the flux-barrier layers number on the performance of…

Torque ripple reduction of synchronous reluctance machines: using asymmetric flux-barrier

K. Wang, Z.Q. Zhu, G. Ombach, M. Koch, S. Zhang, J. Xu

The purpose of this paper is to reduce the torque ripple but not to decrease the average torque of synchronous reluctance machines by using one step or more than two axially…

Winding topologies of flux-switching motors for in-wheel traction

Y. Tang, J.J.H. Paulides, E.A. Lomonova

– The purpose of this paper is to investigate winding topologies for flux-switching motors (FSMs) with various segment-tooth combinations and different excitation methods.

Investigation of magnet segmentation techniques for eddy current losses reduction in permanent magnets electrical machines

Belli Zoubida, Mohamed Rachid Mekideche

Reducing eddy current losses in magnets of electrical machines can be obtained by means of several techniques. The magnet segmentation is the most popular one. It imposes the…

Iron loss in FSPMM: 2D FEA-based comparative study between single and double-layer topologies

Asma Masmoudi, Ahmed Masmoudi

The purpose of this paper is to compare the study between two topologies of fractional-slot permanent-magnet machines such that: double-layer topology and single-layer one. The…

Energy efficiency improvement adopting synchronous motors

Nicola Bianchi, Luigi Alberti, Omar Bottesi

The purpose of this paper is to compare different types of electric motor drives for high-efficiency applications: an induction motor (IM) drive, a synchronous reluctance motor…

Machine design and control strategy for wide-speed-range PMSG systems

Jianxin Shen, Dong-Min Miao

The purpose of this paper is to focus on the machine design and control strategy of the permanent magnet synchronous generator (PMSG) system, especially utilized in variable speed…

An algorithm for the fast estimate of the maximum power voltages in PV applications adopting microconverters

Marco Balato, Massimo Vitelli

The purpose of this paper is to discuss the main parameters influencing the performances of Distributed Maximum Power Point Tracking (DMPPT) and to present an algorithm aimed at…

Microcontroller-based inverter topology integrated in PV systems

Mounir Bouzguenda, Tarek Selmi, Adel Gastli, Ahmed Masmoudi

The purpose of this paper is to study the problem of the leakage currents in transformerless inverter topologies. It proposes a novel topology and how important the adopted…

Modeling and analysis of different control techniques of conductive battery chargers for electric vehicles applications

Omar Hegazy, Mohamed El Baghdadi, Joeri Van Mierlo, Philippe Lataire

The purpose of this paper is to analyze and simulate the control techniques that can be used to control the on-board conductive battery chargers (OCBCs) for electric vehicles…

Fuzzy logic based power management strategy using topographic data for an electric vehicle with a battery-ultracapacitor energy storage

Marek Michalczuk, Bartlomiej Ufnalski, Lech M. Grzesiak

The purpose of this paper is to provide high-efficiency and high-power hybrid energy source for an urban electric vehicle. A power management strategy based on fuzzy logic has…

Design of a hybrid propulsion system for a three wheeled bicycle

Vittore Cossalter, Alberto Doria, Marco Ferrari, Enrico Giolo, Nicola Bianchi, Claudio Martignoni, Fabio Bovi

Velomobiles or bicycles cars are human-powered vehicles, enclosed for improving aerodynamic performance and protection from weather and collisions. The purpose of this paper is to…

InMotion hybrid racecar: F1 performance with LeMans endurance

J. Jacob, J.A. Colin, H. Montemayor, D. Sepac, H.D. Trinh, S.F. Voorderhake, P. Zidkova, J.J.H. Paulides, A. Borisaljevic, E.A. Lomonova

The purpose of this paper is to demonstrate that using advanced powertrain technologies can help outperform the state of the art in F1 and LeMans motor racing. By a careful choice…

Comparison investigation of fluid rheological characteristics effect on stator temperature field for large hydro-generator based on experiment

Shuye Ding, Mengqi Wang

The purpose of this paper is to explore the relationship of fluid flow and heat transfer inside the generator, a large hydro-generator is taken for an example and the temperature…

A high-performance computing procedure for the evaluation of 3D coils inductance

Andrea Gaetano Chiariello, Alessandro Formisano, Raffaele Martone

Inductances of complex coils, in the presence of linear materials only, can be computed by discretizing coils into simpler elements, whose magnetic behavior is analytically…

Advanced model of IM including rotor slot harmonics

Dejan Jerkan, Darko Marčetić

– The purpose of this paper is to present a detailed advanced dynamical model of induction machine (IM) with unskewed rotor bars, including rotor slot harmonics.

Finite set model predictive control to a shunt multilevel active filter

Hernaldo Saldías Molina, Juan Dixon Rojas, Luis Morán Tamayo

The purpose of this paper is to implement a finite set model predictive control algorithm to a shunt (or parallel), multilevel (cascaded H-bridge) active power filter (APF)…

Simple nonlinear MEC-based model for sensitivity analysis and genetic optimization of permanent-magnet

Sajjad Mohammadi, Behrooz Vahidi, Mojtaba Mirsalim, Hamid Lesani

The purpose of this paper is to develop an effective, yet simple analytical framework for optimization of permanent-magnet synchronous machines. Also, single/multi-objective…

Permanent magnet machine design trade-offs to achieve sensorless control at high load

Murat Caner, Chris Gerada, Greg Asher

The purpose of this paper is to introduce a new design optimization technique for a surface mounted permanent magnet (SMPM) machine to increase sensorless performance at high…

Faster, more accurate, parallelized inversion for shape optimization in electroheat problems on a graphics processing unit (GPU) with the real-coded genetic algorithm

Victor U. Karthik, Sivamayam Sivasuthan, Arunasalam Rahunanthan, Ravi S. Thyagarajan, Paramsothy Jayakumar, Lalita Udpa, S. Ratnajeevan H. Hoole

Inverting electroheat problems involves synthesizing the electromagnetic arrangement of coils and geometries to realize a desired heat distribution. To this end two finite element…

Study of the temperature uniformity of aluminium billets heated by superconducting DC induction heaters

Yawei Wang, Hao Gao, Zhuyong Li, Yang Ping, Zhijian Jin, Zhiyong Hong

– The purpose of this paper is to analyse and improve the temperature uniformity of aluminium billets heated by superconducting DC induction heaters.

Unified model of temperature dependence of core losses in soft magnetic materials exposed to non-sinusoidal flux waveforms and DC bias condition

Adam Ruszczyk, Krzysztof Sokalski

The purpose of this paper is to present modelling of power losses dependences on temperature in soft magnetic materials exposed to non-sinusoidal flux waveforms and DC bias…

Design and testing of a magnetic suspension for a 90° horizontal bend conveyor

Massimo Fabbri, Pier Luigi Ribani, Davide Zuffa

A conveyor device is studied with the aim to reduce the friction between the inner surface of the beam and the chain. The lower is the friction between the chain and the beam, the…

Guest editorial

Ahmed Masmoudi