COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 25 Issue 2

Numeric magnetic field calculation and field current calculation for synchronous generators

The paper aims to cover a numerical routine design calculation module for treating the magnetic circuit of hydrogenerators.

Application of circuit and field‐circuit methods in designing process of small induction motors with stator cores made from amorphous iron

To investigate the use of amorphous iron as the stator core material to increase the efficiency of electric machines in serialised production.

Cost – performance – size optimization for automotive induction machines: A fast and accurate FEM, analytical model and optimization mixed procedure

Seeks to posit a new procedure to optimize the geometry of an electric motor for hybrid vehicles (HV), based on an optimization model implementing the complex specifications…

Automation of finite element aided design of induction motors using multi‐slice 2D models

To develop a practical design tool employing a general purpose electromagnetic finite element (FE) software package to perform automated simulation and performance analysis of…

Accuracy analysis of the thrust force in 2D‐3D finite element models

The purpose of this paper is to analyse the accuracy of the thrust force of a linear actuator computed with different finite elements models.

Extraction of circuit parameters from time stepping FEM computation for coupled field‐circuit simulation

To provide a general method for coupled simulation of electrical machines and circuits, using finite element analysis and a circuit/system simulator.

Eccentric air‐gap element for transient finite‐element machine simulation

To propose an air‐gap element for electrical machine simulation which accounts for static and dynamic rotor eccentricity.

Coupled field, circuit and mechanical modelling of wind‐turbine

To identify interactions existing between electromagnetic, electric and mechanical phenomena in variable speed permanent generator wind‐turbines and propose a methodology enabling…

A simplified approach to permanent magnet and reluctance motor characteristics determination by finite‐element methods

To provide a new method for the determination of motor characteristics by means of FE‐methods suitable for multi‐variable design processes.

Simulation and experimentation of a single‐phase claw‐pole motor

The purpose of the paper is to evaluate theoretically and experimentally the static and dynamic characteristics of a single‐phase claw‐pole motor using soft magnetic composite…

Stator optimization of six‐phase claw‐pole alternators using asymmetric winding arrangements

To present a new approach for improvement and optimization of synchronous claw‐pole alternators without changing the general machine design.

Finite element modeling of a two‐degree of freedom spherical actuator

Computational validation of the new concept of the rotor of the two‐degree of freedom spherical actuator is the aim of this paper.

Modelling and position control of voltage forced electromechanical actuator

To present modelling and control technique of an electromagnetic actuator.

Sliding‐surface interface conditions for 3D machine models discretised by the finite integration technique

To propose trigonometric interpolation in combination with the sliding‐surface technique for modeling rotation in electrical machine models discretised by the finite integration…

3D nonlinear transient finite element analysis of eddy currents in the stator clamping system of large hydro generators

An accurate calculation of eddy current losses in the stator clamping parts of large hydro generators is a matter of particular interest with the initial design and the design…

Inclusion of inter‐bar currents in multi‐slice FE modelling of induction motors – influence of inter‐bar resistance and skew discretisation

To study the inclusion of inter‐bar (IB) currents in a multi‐slice finite element (FE) model of induction motors and in particular the effect of the associated skew…

Eddy current heating in large salient pole generators

The purpose of the paper is to investigate pole face heating in large, salient pole generators and establish a modelling procedure for accurate rotor pole heat loss computation…

Acoustic simulation of an induction machine with squirrel‐cage rotor

To present results of research closely linked to real life applications and to resume the work of a period of a few years.

Iron loss analysis of linear oscillating actuator for linear compressor

Aims to discuss iron loss analysis and experimenting with linear oscillating actuator for linear compressor.

A comparison between axial and radial flux PM motor by optimum design method from the required output NT characteristics

To design a high power density machine, an automatic design method is proposed. Hopefully, automatic design method uses only the requirements (torque and speed) and the…

Electromagnetic modelling of permanent magnet axial flux motors and generators

To provide a general framework for the electromagnetic analysis of axial flux motors and generators.

Representation of permanent magnet brushless machine by means of orthogonal functions

To develop a fast and accurate method of calculation of permanent magnet machines.

Preface