Simulation-based analysis of electromagnetic interference emission from the power electronics of an e-bike using different 3D full-wave solvers

Electromagnetic compatibility (EMC) is becoming increasingly important in product development. With the focus on digitalization and sustainable energy supply, electronic components that are relevant in drive systems or for wireless communication technology are increasingly being used. This inevitably leads to electromagnetic interference between the components and radiation-related emissions that need to be suppressed. Predictive simulations are therefore crucial for the necessary digital twin in product development.

Using the example of an e-bike, the radiation-bound EMC of the power electronic components of the drive is to be simulated using a full-wave solver. The radiation is determined numerically on the basis of extensive 3D models. The moment method (MOM) and the finite element method (FEM) are particularly suitable for efficient calculation in the frequency range: With the MOM, only the edges of the underlying model are discretized, while the FEM is a volume-based algorithm. To validate the respective simulation results, it is therefore advantageous to compare both methods comprehensively.

The work includes the following points in particular:

• Relevant literature research including familiarization with Simcenter 3D (MOM) and HFSS (FEM)

• Preparation of two numerical models to determine the radiated emission

• Examination and comparison of the results with simultaneous critical discussion of the 3D models

• (Optional) Addition of a second MOM-based solver (CONCEPT-II)