... leakage inductance of other electric machines. Originality/value The method presented in the paper considers the rotor in end-winding leakage inductance calculation. It is not necessary to remove the rotor as in the similar method presented in the literature. The authors elaborated a parametric model...

... be used for linear and axial flux SynRMs. Synchronous reluctance machines (SynRMs) Magnetic vector potential (MVP) equation Finite difference method (FDM) Electrical machines In our case, the focus is on one axial cross-section of the machine. Therefore, the problem is a two-dimensional...

...) Electrical machines Shape optimization Permanent magnet machine Synchronous reluctance motors (SynRMs) are a viable alternative to induction motors (IMs) in variable speed inverter-driven applications (Baka et al., 2021 ; Cai et al., 2014 ; Cupertino et al., 2014...

...Martin Marco Nell; Benedikt Schauerte; Tim Brimmers; Kay Hameyer Purpose Various iron loss models can be used for the simulation of electrical machines. In particular, the effect of rotating magnetic flux density at certain geometric locations in a machine is often neglected by conventional iron...

...Jan Karthaus; Benedikt Groschup; Robin Krüger; Kay Hameyer Purpose Due to the increasing amount of high power density high-speed electrical machines, a detailed understanding of the consequences for the machine’s operational behaviour and efficiency is necessary. Magnetic materials are prone...

... of magnetostatic Maxwell equations. These E-SDs are connected in the two directions (i.e. r- and θ-edges). Newton–Raphson (NR) iterative algorithm is used for nonlinear magnetic field analysis. Findings The proposed model is relevant for different types of rotating electrical machines; as an example...

...Marcin Wardach; Ryszard Palka; Piotr Paplicki; Michal Bonislawski Purpose Permanent magnet (PM) electrical machines are becoming one of the most popular type of the machines used in electrical vehicle drive applications. The main drawback of permanent magnet machines, despite obvious advantages...

... 2017 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Design optimization Electrical machines Multiphysics Experimental designs Multi-model optimization Indirect optimization Corrected response surface method The field of embedded...

...Bourahla Kheireddine; Belli Zoubida; Hacib Tarik; Achoui Imed Purpose This study aims to focus on the application of the stochastic algorithms for optimal design of electrical machines. Among them, the authors are interested in particle swarm optimization and teaching–learning-based optimization...

... into the iron loss behaviour of the laminated core of electrical machines which are exposed to mechanical stresses of diverse origins. Design/methodology/approach The specific iron losses of electrical steel sheets are measured using a standardised single-sheet tester equipped with a hydraulic pressure...

...Sajid Hussain; David Lowther Purpose The losses incurred in ferromagnetic materials under PWM excitations must be predicted accurately to optimize the design of modern electrical machines. The purpose of this paper is to employ mathematical hysteresis models (i.e. classical Preisach model...

... range and a drive cycle are considered. A stochastic simulation and an empirical lifetime model of one bearing gives an example of using this methodological approach. © Emerald Group Publishing Limited 2016 Electrical machines Eccentricity PMSM Bearing load Lifetime Unbalanced magnetic...

... 15) with x=i, v or λ. Computer simulation Computer modelling Electrical machines Dynamic model Synchronous machines Induction machines Model synthesis Magnetic saturation Industrial drives (Equation 3) (Equation 4) The study...

... than 5 percent as well as the development of a HC model to compute the temperature in the solid domains. The investigations presented pinpoint relevant issues influencing the thermal behavior of electrical machines. In order to determine the non-dimensional parameters, numerical analyses have been...

... 2) where C₀, δ and ε are constants. The Nusselt-, Reynolds- and Prandtl numbers are defined as: © Emerald Group Publishing Limited 2015 Mathematical modelling Electrical machines Heat transfer Heat conduction Fluid dynamics End winding...

...Stephan Klomberg; Ernst Farnleitner; Gebhard Kastner; Oszkár Bíró Purpose – The purpose of this paper is to present a new computational fluid dynamics model for large electrical machines to simulate the heat transfer at specific components to the appropriate ventilation method. The most...

... has 1 degree of freedom and only this equation is enough: (Equation 1) Dynamics FEM Electrical machines Computer aided modeling Velomobiles or bicycles cars are human-powered vehicles, with an enclosed shell for improving aerodynamic performance and protection from weather...

... winding factor is achieved. In addition, different winding topologies for the field winding of DCEFSM are also investigated. © Emerald Group Publishing Limited 2015 Topology Electrical machines Brushless motors in which p is the number of pole-pairs, or in other words...

... as follows: Dr Luigi Alberti can be contacted at: luigi.alberti@unibz.it © Emerald Group Publishing Limited 2015 Electrical machines Finite element modelling The effects of the high-energy consumption have been largely discussed in the last years. Groups of nations met together...

... . © Emerald Group Publishing Limited 2014 Electrical machines Electrical power systems Electric power generation Fred. Olsen (FO) has endeavored on developing a commercial wave energy converter (WEC) that can convert ocean wave energy into electricity suitable for grid injection...