To provide a wireless power transfer (WPT) system that can be integrated with an already existing conductive on-board battery charger (OBC) for electric vehicles (EVs).SOLUTION: A WPT system includes: a compensation strategy stage 406, 409 that comprises a parallel-series compensation circuit network to obtain a voltage Vin a vehicle assembly (VA) receiver coil 408 proportional to an effective current Iin a ground assembly (GA) transmitter coil 407; a rectifier 410 in the VA to obtain a continuous voltage V_; and a control strategy stage 445 with a voltage control loop and a current control loop. The control strategy stage provides a control command to regulate voltage in the VA thereby to adjust the continuous voltage V_based on a reference DC link voltage. A DC link of a conductive charger of the EV is regulated with the adjusted continuous voltage V_during an inductive charging process of the EV.SELECTED DRAWING: Figure 4

    【課題】電気自動車(EV)のための既に存在しているコンダクティブオンボードバッテリ充電器(OBC)と統合され得るワイヤレス電力伝送(WPT)システムを提供する。【解決手段】WPTシステムは、グラウンドアセンブリ(GA)送電器コイル407における実効電流Ip_rmsに比例する自動車アセンブリ(VA)受電器コイル408における電圧VVAを得るための並列−直列補償回路網を備える補償戦略段406、409、連続的電圧Vdc_VAを得るためのVA内の整流器410、電圧制御ループ及び電流制御ループを持つ制御戦略段445を備える。制御戦略段は、制御コマンドを供給することでVA中の電圧を調整することによって、連続的電圧Vdc_VAを参照DCリンク電圧に基づいて調節する。EVのコンダクティブ充電器のDCリンクは、EVのインダクティブ充電プロセスの間に、調節された連続的電圧Vdc_VAで調整される。【選択図】図4


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    Title :

    WIRELESS POWER TRANSFER SYSTEM FOR ELECTRIC VEHICLE


    Additional title:

    電気自動車のためのワイヤレス電力伝送システム


    Contributors:

    Publication date :

    2020-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES



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