An exemplary embodiment according to the present invention relates to a resonant circuit (500) of a contactless energy transfer system for charging an electric vehicle and a contactless energy transfer system for charging an electric vehicle. According to an embodiment, a resonant circuit (500) includes a first terminal (A4), a second terminal (A3), a plurality of windings, a plurality of capacitors, a first switching element (540), and a second switching element (550). The resonant circuit (500) can be connected to a power supply circuit or a rectifier via the first terminal (A4) and the second terminal (A3). The plurality of windings is divided into a first set of windings (522) and a second set of windings (532), where one of the sets of windings (522, 532) is paired with at least one respective capacitor (C3, C4, C5) of the plurality of capacitors connected in series to the set (522, 532) of the paired windings. Furthermore, a connection node (560) is arranged between the first set of windings (522) and the second set of windings (532), said connection node being connected to the first terminal (A4) via the first switching element (540) and to the second terminal (A3) via the first set of windings (522), the second switching element (550) being arranged between the second set of windings (532) and the first terminal (A4). A first connection node (560) is formed in a star-like manner between the first set of windings (522), the second set of windings (532), and the first switching element (540).

    根据本发明的示意性实施例涉及一种用于对电动车辆充电的非接触式能量传输系统的谐振电路(500)以及用于对电动车辆充电的非接触式能量传输系统。根据实施例,谐振电路(500)包括第一端子(A4)、第二端子(A3)、多个绕组、多个电容器、第一开关元件(540)和第二开关元件(550)。谐振电路(500)能够经由第一端子(A4)和第二端子(A3)连接至供电电路或整流器。多个绕组划分为第一组绕组(522)和第二组绕组(532),其中,各组绕组(522,532)中的一个绕组与多个电容器中的至少一个相应电容器(C3,C4,C5)成对,所述电容器串联连接到所成对的绕组的组(522,532)。此外,连接节点(560)布置在第一组绕组(522)和第二组绕组(532)之间,所述连接节点经由第一开关元件(540)连接至第一端子(A4)并且经由第一组绕组(522)连接至第二端子(A3),第二开关元件(550)布置在第二组绕组(532)和第一端子(A4)之间。第一连接节点(560)以星形方式形成在第一组绕组(522)、第二组绕组(532)和第一开关元件(540)之间。


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    Title :

    Resonance circuit for contactless energy transfer system for charging electric vehicle and contactless energy transfer system for charging electric vehicle


    Additional title:

    用于对电动车辆充电的非接触式能量传输系统的谐振电路和用于对电动车辆充电的非接触式能量传输系统


    Contributors:

    Publication date :

    2022-08-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H04B TRANSMISSION , Übertragung



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