Air-cored common Mode filter with integrated capacitors

Common mode (CM) electromagnetic interference in power lines are typically reduced with a CM filter, which consists of discrete capacitors and inductors. An air-cored EMI filter with CM choke and integrated X and Y capacitors utilizing the parasitic capacitance of the windings is proposed. Its benef...

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Bibliographische Detailangaben
Hauptverfasser:	Kuisma, M., Dzhankhotov, V., Silventoinen, P., Pyrhonen, J.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Band pass filters Capacitors Delta modulation Electromagnetic interference EMC/EMI Frequency Inductance Inductors Magnetic separation Parasitic capacitance passive component integration passive filter Switched-mode power supply
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Beschreibung
Zusammenfassung:	Common mode (CM) electromagnetic interference in power lines are typically reduced with a CM filter, which consists of discrete capacitors and inductors. An air-cored EMI filter with CM choke and integrated X and Y capacitors utilizing the parasitic capacitance of the windings is proposed. Its benefits include better high frequency performance, reduced component count, and improved manufacturability. Experimental results are provided.