INDUCTIVE WIRELESS POWER TRANSFER DEVICE WITH IMPROVED COUPLING FACTOR AND HIGH VOLTAGE ISOLATION

INDUCTIVE WIRELESS POWER TRANSFER DEVICE WITH IMPROVED COUPLING FACTOR AND HIGH VOLTAGE ISOLATION

An inductive wireless power transfer device includes a primary winding assembly and a secondary winding assembly separated from the primary winding assembly by a distance. A first magnetic core cap is on the primary winding assembly and a second magnetic core cap is on the secondary winding assembly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VOLFSON, Lev, MAKOWIEC, Sara, Lorene, JACOBSON, Boris, S
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:An inductive wireless power transfer device includes a primary winding assembly and a secondary winding assembly separated from the primary winding assembly by a distance. A first magnetic core cap is on the primary winding assembly and a second magnetic core cap is on the secondary winding assembly so as to magnetically couple together the primary winding assembly and the secondary winding assembly. A multi-section high voltage (HV) isolator is interposed between the primary winding assembly and the secondary winding assembly. The multi-section HV isolator includes at least one individual insulator section comprising a dielectric material, and at least one intermediate magnetic core comprising a ferrite material interposed between the primary winding assembly and the secondary winding assembly.