20 citations · 47 across the 10 of their papers we have counts for
10 papers
Magneto-thermally Coupled Field Simulation of Homogenized Foil Winding Models
Silas Weinert, Jonas Bundschuh, Yvonne Späck-Leigsnering +1
Foil windings have, due to their layered structure, different properties than conventional wire windings, which make them advantageous for high frequency applications. Both electro…
Thermal Finite-Element Model of an Electric Machine Cooled by a Spray
Christian Bergfried, Samaneh Abdi Qezeljeh, Ilia V. Roisman +3
The need for higher power density in electrical machines require better cooling strategies. Spray cooling is a very promising and relatively simple technology to apply, but involve…
Transient Nonlinear Electrothermal Adjoint Sensitivity Analysis for HVDC Cable Joints
M. Greta Ruppert, Yvonne Späck-Leigsnering, Herbert De Gersem
Efficient computation of sensitivities is a promising approach for efficiently of designing and optimizing high voltage direct current cable joints. This paper presents the adjoint…
Considering Capacitive Effects in Foil Winding Homogenization
Jonas Bundschuh, Yvonne Späck-Leigsnering, Herbert De Gersem
In conventional finite element simulations, foil windings with a thin foil and many turns require many mesh elements. This renders models quickly computationally infeasible. With t…
Thermal Finite Element Modeling and Simulation of a Squirrel-Cage Induction Machine
Christian Bergfried, Yvonne Späck-Leigsnering, Roland Seebacher +2
Finite element models of electrical machines allow insights in electrothermal stresses which endanger the insulation system of the machine. This paper presents a thermal finite ele…
Homogenization of Foil Windings with Globally Supported Polynomial Shape Functions
Jonas Bundschuh, Yvonne Späck-Leigsnering, Herbert De Gersem
In conventional finite element simulations, foil windings with thin foils and with a large number of turns require many mesh elements. This renders models quickly computationally i…
Adjoint Variable Method for Transient Nonlinear Electroquasistatic Problems
M. Greta Ruppert, Yvonne Späck-Leigsnering, Julian Buschbaum +1
Many optimization problems in electrical engineering consider a large number of design parameters. A sensitivity analysis identifies the design parameters with the strongest influe…
Pyrit: A Finite Element Based Field Simulation Software Written in Python
Jonas Bundschuh, M. Greta Ruppert, Yvonne Späck-Leigsnering
Pyrit is a field simulation software based on the finite element method written in Python to solve coupled systems of partial differential equations. It is designed as a modular so…
Capacitance calculation of unloaded rolling elements -- Comparison of analytical and numerical methods
Steffen Puchtler, Tobias Schirra, Eckhard Kirchner +2
Various methods for calculating the capacitance of unloaded rolling elements are compared to improve the electric characterization of rolling element bearings. Semi-analytical appr…
Quasi-3D Magneto-Thermal Quench Simulation Scheme for Superconducting Accelerator Magnets
Laura A. M. D'Angelo, Yvonne Späck-Leigsnering, Herbert De Gersem
To tackle the strong multi-scale problem in the quench simulation of superconducting accelerator magnets, this work proposes a hybrid numerical method which uses two-dimensional fi…