Project Details


Future power electronics systems will be based on the emerging wide bandgap devices. These new devices are faster, can sustain higher temperatures and have better blocking capabilities. The faster risetimes for the wide bandgap components yield signals with a higher frequency content, entering the GHz range. With frequencies in this range, it becomes immensely difficult for the designer to be certain that any unwanted resonances are not triggered when the first prototype is tested. Any potential coupling between different circuit elements also needs to receive higher attention as the high frequency content can cause large currents to flow in the surrounding equipment.
However, by considering conducted and radiated noise as an early part in the design phase through the use of finite element analysis an even more descriptive simulation of the circuit including its physical configuration can be made. Using the simulation an indication of any potential resonances and parasitic coupling between different planes, traces or casings can be obtained. This information can be utilized to make the needed adjustments to the design prior to assembling the first prototypes. Thus, some of the time spent on experimentally testing whether the design suffer from unwanted couplings and resonances can be saved.

Funding: Poul Due Jensen Foundation 
Effective start/end date01/09/202131/08/2024


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