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Leakage inductance is known to affect power transfer of transformers and coupled inductors, as well as causing voltage spikes across converter switches possibly damaging them. The standard solution is to implement a snubber to reduce these voltage spikes. This paper investigates the effects of leakage inductance as well as snubbing on conducted EMI emissions.

In this paper it is shown that conducted interference from a power converter differs when measured with and without a Line Impedance Stabilization Network (LISN). This is problematic as the true Electromagnetic Interference (EMI) of a converter is therefore difficult to characterize. Possible reasons for this difference are discussed showing to the influence of a LISN on measurements.

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