Method for contactlessly transmitting electrical energy to a load (17) using a transmission system (1), having the steps of: converting alternating current from an alternating current source (4) into direct current using a primary rectifier (5), converting the direct current generated by the primary rectifier (5) into alternating current using a primary inverter (7), changing a primary parameter (di) at a component (38) of a primary part (2) of the transmission system, such that the electrical power consumed by a load (17) is changed as a result, contactlessly transmitting the electrical energy of the alternating current generated by the primary inverter (7) from a primary coil (9) to a secondary coil (12), converting the alternating current generated in the secondary coil (12) into direct current using a secondary rectifier (15), changing a secondary parameter at a component (16) of a secondary part (3) of the transmission system (1), such that the electrical power consumed by the load (17) is changed as a result, supplying electrical energy as direct current to the load (17), wherein an A-efficiency of the contactless transmission of energy with respect to a secondary A-parameter is determined, the secondary parameter is then changed from the secondary A-parameter to at least one secondary B-parameter and a B-efficiency is determined for the at least one secondary B-parameter, and that efficiency with the maximum efficiency is selected from the A-efficiency and from the at least one B-efficiency and this selected maximum efficiency is referred to as C-efficiency, and energy is then contactlessly transmitted with a secondary C-parameter assigned to the C-efficiency as an iteration step for determining the secondary C-parameter.
Transmission system for contactlessly transmitting energy
2020-10-13
Patent
Elektronische Ressource
Englisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
TRANSMISSION SYSTEM FOR CONTACTLESSLY TRANSMITTING ENERGY
Europäisches Patentamt | 2019
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