A wireless energy transfer system includes a foreign object debris detection system. The system includes at least one wireless energy transfer source configured to generate an oscillating magnetic field. The foreign object debris may be detected by at least one field gradiometer positioned in the oscillating magnetic field. The voltage of the at least one field gradiometer may be measured using readout circuitry and a feedback loop based on the readings from the gradiometers may be used to control the parameters of the wireless energy source.
FOREIGN OBJECT DETECTION IN WIRELESS ENERGY TRANSFER SYSTEMS
FREMDKÖRPERERKENNUNG IN DRAHTLOSEN ENERGIEÜBERTRAGUNGSSYSTEMEN
DÉTECTION D'OBJET ÉTRANGER DANS DES SYSTÈMES DE TRANSFERT D'ÉNERGIE SANS FIL
2023-11-01
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G01V Geophysik , GEOPHYSICS / H01F MAGNETS , Magnete / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
Foreign object detection in wireless energy transfer systems
European Patent Office | 2018
|Foreign object detection in wireless energy transfer systems
European Patent Office | 2016
|FOREIGN OBJECT DETECTION IN WIRELESS ENERGY TRANSFER SYSTEMS
European Patent Office | 2019
FOREIGN OBJECT DETECTION IN WIRELESS ENERGY TRANSFER SYSTEMS
European Patent Office | 2018
|Foreign object detection in wireless energy transfer systems
European Patent Office | 2019
|