EMC studies on systems with hybrid filter circuits for modern aircraft applications

Kut, T.; Chand, B.; Lücken, A.; Dickmann, S.; Schulz, D.

In this contribution, a new approach for EMC-filter design is presented. Due to the increasing electrification of modern aircraft, as a result of the More Electric Aircraft concept, new strategies and approaches are required to fulfill the strict EMC aircraft standards (DO-160/ED-14 – Sec. 20). Consequently the weight and volume of the used filter components can be reduced. A promising approach could be a combination of passive and active filters. For the same attenuation effect, so-called hybrid filters achieve either savings in weight and volume, or can obtain an additional filtering effect with minimal weight increase of an existing system. In this paper, the underlying theory is explained in detail, carried out in a simulation tool and the gained insight is demonstrated with a sample measurement.

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Kut, T. / Chand, B. / Lücken, A. / et al: EMC studies on systems with hybrid filter circuits for modern aircraft applications. 2013. Copernicus Publications.

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