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Passive components, in particular capacitors and coupled inductors, are the most important parts of electromagnetic interference (EMI) filters. The parasitic elements of these components and the impact of temperature on their frequency behavior are very significant and should not be neglected; these unwanted effects have a major impact on EMI filter performances. In this paper, characterization test-benches...
Coupled Inductors are widely used in EMI power filters. The impact of temperature on the frequency behavior of these components is very significant and shouldn't be neglected. In this paper, characterization test-benches and modeling methods of coupled-inductor impedances via measurements are presented for two types of magnetic cores: nanocrystalline alloy and Manganese-Zinc (Mn-Zn) ferrite. The aim...
All types of passive components present variations for most of their electric parameters as a function of several operating conditions (temperature, frequency, voltage). Capacitors, unlike other types of passive components (resistors and coils), are more sensitive to these variations. This paper presents the effects of temperature and bias voltage on power electronic capacitors for frequencies ranging...
Passive components, in particular capacitors, are widely used in power electronics, especially in EMC filters. Their impedance variation with respect to operating conditions (frequency, temperature, operating voltage) is very significant and shouldn't be neglected. In this paper, we aim to characterize the influence of bias voltage variations on capacitor parameters (C and ESR) over a wide frequency...
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