Interfacing Techniques for Electromagnetic Field and Circuit Simulation Programs IEEE Task Force on Interfacing Techniques for Simulation Tools

Rapid high fidelity finite element-based synchronous machine model for system simulations

“…Additional FE simulations provide further resolution on the flux linkage waveform, which is fitted to the Fourier series. A general relationship between the maximum resolved harmonic, h n-max , and the number of static solutions is provided in (1 Example flux linkage and back-emf harmonics are shown in Figs. 2 and 3 for six finite element solutions of a 36 slot 6 pole interior permanent magnet (IPM) synchronous machine whose properties are detailed in Table 1.…”

“…large number of techniques have been developed for incorporating or coupling of hi-fidelity electric machine models in system simulation tools where hi-fidelity is taken to mean electric machine models beyond the standard fundamental harmonic dq models such as finite element models or magnetic equivalent circuit models [1][2][3][4][5][6][7]. System simulations are taken to mean simulations that may incorporate the control system behavior or power electronics.…”

“…System simulations are taken to mean simulations that may incorporate the control system behavior or power electronics. One of the most common techniques is to a couple finite element model of the electric machine directly to the system simulation [1]. The system simulator can call for an evaluation of the finite element model at every time step or at a multiple time steps of the system simulator.…”

Macro element approach for electromagnetic simulations in multi-physics and system analysis

“…The quality of the coupling / interfacing technique determines the accuracy and computational efficiency of the simulation. In [1] we find a comprehensive view of coupling techniques with respect to coupling magnetic domain to the circuit domain. The authors differentiate between direct and indirect methods of coupling and they hint that generally strong coupling is realized with the direct methods and weak coupling with the indirect methods [2].…”

“…The quality of the model of the coupling / interaction largely determines the accuracy and computational efficiency of the multi-physics and system solution. This is why the coupling and interfacing techniques have been emerging as an "independent" research topic next to the sciences of the physical domains they are connecting [1]. This paper suggests a coupling philosophy and the corresponding numerical techniques which is related to the substructuring techniques known in mechanics and it is similar to the macro element techniques in several fields of science II.…”