... drive performance. Three standard reference drive cycles are selected to evaluate the performance of electric machines in traction electrification: the WLTP (worldwide harmonized light vehicles test procedure), the Braunschweig city drive cycle (urban) and the Artemis 130 km/h drive cycle (inter-city...

... International Conference on Electrical Machines (ICEM) , IEEE Xplore . Dajaku , G. , Lehner , B. , Dajaku , X. , Pretzer , A. and Gerling , D. (2016), “ Hybrid excited claw pole rotor for high power density automotive alternators ”, Proceedings of the XXII International Conference...

... Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Electric machines Electromechanical devices Electrical circuits NU HEML Circuit model HEML Coilguns Electromagnetic launching Electromagnetic launchers (EMLs) have many advantages compared...

... 2017 Emerald Publishing Limited Licensed re-use rights only Electric machines Multi-drive Multi-star Multi-phase permanent magnet machines Fractional-slot concentrated windings low distortion of the mmf waveform; low torque ripples; high winding factor; and high...

... models can be used only at the preliminary stage of the designing of line-start permanent magnet motors. In recent years, the line-start permanent magnet synchronous motors (LSPMSMs) have become more and more popular. Currently, designers and manufacturers of electrical machines are compelled to pay...

... rights only Electric machines Fractional slot concentrated windings Multi-drive Multi-star Multiphase permanent magnet machines Table II Summary of mmf waveform analysis for the considered windings (48 slot/44 pole machine) Winding/machine Fundamental winding factor...

... geared SFPM machine. © Emerald Group Publishing Limited 2016 Electric machines Permanent magnet (PM) Flux switching Magnetically geared machine Stator/rotor-pole combination Switched flux Switched flux (SF) machine was firstly proposed as a single phase generator in the 1950s...

... critical (Morimoto et al., 1990). In conventional PM machines, the airgap thermally isolates the heat dissipating directly from rotor PMs, which further deteriorates the PM thermal condition and rise risk of potential irreversible demagnetization. Permanent-magnet machine Electric machines...

..., the mutual inductance between the loops 1 and 2 reduces to: (Equation 7) © Emerald Group Publishing Limited 2016 Optimal design Analytical methods Electric machines Electromechanical devices Inductance Nowadays, optimizing electromagnetic devices for a specific end-use...

...-slot PM machine under faulty operation. Electric machines Fault analysis Finite element analysis Magnet motors For selected (rotor poles/stator slots) combinations, fractional-slot concentrated winding PM machines exhibit interesting features compared to distributed winding ones...

... B_ϕi are received from projection onto discretized directions e _ϕi, ϕ_i=iπ/N: (Equation 3) © Emerald Group Publishing Limited 2015 Finite element methods PWM Eddy currents Electric machines Iron losses Magnetic hysteresis...

... against predators (Snekser et al., 2010). © Emerald Group Publishing Limited 2015 Optimization Electric machines Finite element analysis Line-start permanent magnet synchronous motor Particle swarm algorithm The squirrel-cage induction motors are commonly used in many...

...Professor Slawomir Wiak; Anouar Belahcen; Floran Martin; Mohammed El-Hadi Zaim; Emad Dlala; Zlatko Kolondzovski Purpose – The purpose of this paper is to optimize the stator slot geometry of a high-speed electrical machine, which is used as an assist for a turbocharger. Meanwhile, the suitability...

... for the following range of α: (Equation 3) where (Equation 4) is the optimal value of α obtained from the first stage of the optimization process. The following multiplicative compromise objective function has been studied: (Equation 5) Electric machines Finite element analysis Genetic...

... analysis Genetic algorithm Electric machines Permanent magnet synchronous motor New structures require developing new methods of the optimum design. In the paper, the computer software for the optimal designing of different structures of PMSM is presented. The software consists of two...

... modeling approach is extended for toroidal and helical-winding machines which makes the method applicable for most of the slotless machine types. © Emerald Group Publishing Limited 2015 Permanent magnet machine Electric machines Inductance The supremacy of high-speed permanent magnet...

... the behaviour of the complete system: LISN, EMI filter, cables, static converter, load (e.g. electrical machines; Gerbaud et al., 2012). From a schematic description, this software tool creates automatically the corresponding model and its implementation in Java. Such a program offers several services...

...Andrzej Demenko; Kay Hameyer; Wojciech Pietrowski; Livio Šušnjić; Krzysztof Zawirski; Gorazd Štumberger; Bojan Štumberger; David Stojan; Željko Plantić; Klemen Deželak; Matjaž Čemažar; Drago Dolinar Purpose Many authors reported the decrease of performances when electric machines...

...) according to the formula: Equation 12 Finally, the modified objective function is described by following equation: Equation 13 © Emerald Group Publishing Limited 2013 Electric machines Brushless DC motor Finite element analysis Multi‐objective optimization problem Genetic algorithm...

... of a single exciter core, located in the middle of the core, is shown in Figure 4 . The calculations were performed for four different values of current intensity. Electric machines Stepper linear reluctance motor Field‐circuit model Control methods Finite element analysis Electric motors...