Magnetic saturation due to fast dynamic response of isolated DC-DC converter

Magnetic saturation due to fast dynamic response of isolated DC-DC converter

Magnetic saturation phenomenon in low-voltage and high-current DC-DC converter with fast dynamic response is described. Core saturation presented here is observed in onboard isolated DC-DC converter due to inherent asymmetrical driving of conventional PWM IC in transient condition. The saturation is...

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Bibliographische Detailangaben
Hauptverfasser: Kohama, T., Mukuno, Y., Shimamori, H.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Circuit faults
DC-DC power converters
Magnetic cores
Pulse transformers
Pulse width modulation
Saturation magnetization
Space vector pulse width modulation
Transformer cores
Voltage control
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Beschreibung
Zusammenfassung:Magnetic saturation phenomenon in low-voltage and high-current DC-DC converter with fast dynamic response is described. Core saturation presented here is observed in onboard isolated DC-DC converter due to inherent asymmetrical driving of conventional PWM IC in transient condition. The saturation is not eliminated by using capacitor for AC coupling of transformer. Mechanism of the saturation is analyzed and confirmed by experiments.
DOI:10.1109/ICIT.2009.4939578