Planar differential current pickup for wireless power transmission

Apparatus and methods for sensing current carried by one or more planar conductors is described. A plurality of sensing coils may be fabricated adjacent to one or more planar, current-carrying conductors. The sensing coils may detect a magnetic field generated by time-varying current flowing through...

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Bibliographische Detailangaben
Hauptverfasser:	Riehl, Patrick Stanley, Satyamoorthy, Anand, Muratov, Vladimir A
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDUCTANCES MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	Apparatus and methods for sensing current carried by one or more planar conductors is described. A plurality of sensing coils may be fabricated adjacent to one or more planar, current-carrying conductors. The sensing coils may detect a magnetic field generated by time-varying current flowing through the one or more planar conductors. The sensing coils may be arranged to cancel uniform and linear-gradient magnetic fields.