... of the stator poles and windings on the natural frequencies of the SRM stator. This paper aims to consider the influence of stiffness and mass of the stator poles and windings simultaneously and reasonably. Design/methodology/approach An innovated analytical method based on the electromechanical analogy...

... formulation implemented in an non-commercial code. Such an approach has been previously applied to compute end winding forces (Albanese et al., 2012 ; Calvano et al., 2012). In this paper the analysis of a large synchronous generator is considered as an example. Field simulations...

...Liang Yan‐ping; Yu Hong‐hao; Bian Xu Purpose The purpose of this paper is to introduce an analytic method to calculate the slot leakage reactance of stator bar strands in alternative current machines whose stator windings have multiple bars per layer and using deficient transposition. Design...

...Carlos L. Antunes; Peyman Karimifard; G.B. Gharehpetian; Ahmad Javid Ghanizadeh; Stefan Tenbohlen Purpose The transfer function (TF) method is a reliable tool for the detection of the transformer winding deformation and displacement. One of the most important problems is the discrimination between...

...Ahmed Masmoudi; Łukasz Drązikowski; Włodzimierz Koczara Purpose This article seeks to present the simple and easy to manufacture design of a permanent magnet generator based on coreless windings. An example is shown of basic calculations based on an equivalent magnetic circuit. Finally...

...Ahmed Masmoudi; Yang Tang; Johannes J.H. Paulides; Evgeny Kazmin; Elena A. Lomonova Purpose This paper aims to find the optimal winding topology for a 14‐pole permanent magnet synchronous motor (PMSM) to be used as an in‐wheel motor in automotive applications. Design/methodology/approach...

...Ahmed Masmoudi; Ayman EL‐Refaie; Manoj Shah Purpose The purpose of the paper is to investigate the performance of induction machines with fractional‐slot concentrated‐windings. Design/methodology/approach This paper examines induction machine performance with fractional‐slot concentrated...

...Andrzej Demenko; Guest Co‐editors: Kay Hameyer; Stefan Kulig; Lech Nowak; Krzysztof Zawirski; Wojciech Burlikowski Purpose The purpose of this paper is to present a modification of the Park variable transformation for a three‐phase wye‐connected winding without neutral wire. A new physical...

...Vahid Behjat; Abolfazl Vahedi Purpose Interturn winding faults, one of the most important causes of power transformers failures, cannot be detected by existing detection methods until they develop into high‐level faults with more severe damage to the transformer. The purpose of this paper...

...Ahmed Masmoudi; Juliette Soulard; Florence Meier Purpose The purpose of this paper is to present a general review of design guidelines and analytical models for permanent‐magnet synchronous machines (PMSMs) with non‐overlapping concentrated windings, including the authors' own experience...

... electromagnetic and thermal analysis. This paper usefully studies the correlation between the motor parameters required for high power density and field‐weakening performance. The q‐axis MMFs are generated by the q‐axis component of the armature winding current and thus have a sinusoidal...

...Ahmed Masmoudi; Jin‐Tao Chen; Zi‐Qiang Zhu Purpose The purpose of this paper is to analyze the phase coil connections and winding factors of flux‐switching permanent magnet (FSPM) brushless AC machines with all poles and alternate poles wound, and different combinations of stator and rotor pole...

... equivalent properties including local effects. It is based on the equivalence of active and reactive electromagnetic powers on an elementary cell. This work is applied to the modelling of eddy current losses in windings, by the use of the finite element method in 2D and 3D. Design/methodology/approach...

... and the advantages it offers when used for modeling and analysis of DFIG operation in unbalanced conditions. This paper also investigates the winding fault induced changes in the machine stator steady‐state current spectrum with a view to DFIG condition monitoring. Design/methodology/approach The presented model...

...Carlos F.R. Lemos Antunes; Carlos P. Cabrita; Cassiano Antunes Cezario; Hilton Penha Silva Purpose The purpose of this paper is to propose a simplified thermal circuit to estimate the temperature rise in the winding of a totally enclosed fan cooled electric motor for different loads and/or cooling...

...Herbert De Gersem; Olaf Henze; Thomas Weiland; Andreas Binder Purpose The purpose of this paper is to offer a simulation method for predicting the impedance of machine windings at higher frequencies. Design/methodology/approach A transmission‐line model (TLM) is developed based on parameters...

... calculation. The behaviour of a synchronous machine after a stator‐winding fault still is a little known issue. Nevertheless, the occurrence of winding faults can damage the stator winding of the machine severely and may also destroy the whole stator core. Therefore, there exists a strong need for reliable...

...Bo Hu Li; Tianyuan Xiao; Lin Zhang; Ayman M. EL‐Refaie; Z.Q. Zhu; Thomas M. Jahns; David Howe Purpose Permanent magnet (PM) brushless machines equipped with fractional‐slot concentrated‐windings (FSCW) have been receiving considerable attention over the past few years, due to the fact...

... magnet (IPM) machines can both be designed to achieve wide speed ranges of constant‐power operation. SPM machines with fractional‐slot concentrated windings offer opportunities to minimize machine volume and mass because of their short winding end turns and techniques for achieving high‐slot fill factors...

...Ahmed Masmoudi; Imen Abdennadher; Ahmed Masmoudi; Ahmed Elantably Purpose The purpose of this paper is to discuss the design of concentrated winding permanent magnet (PM) machines dedicated to propulsion applications considering both surface‐mounted and flux‐concentrating arrangements of the PMs...