Disclosed are a direct current (DC)-DC converter control method capable of performing zero voltage switching (ZVS) at all times, and a ground assembly and a wireless power transmission method using the same. According to the present invention, a method to control a DC-DC converter of a ground assembly including first to fourth switches arranged in a bridge circuit shape between a power source and a primary coil, and used in wireless power transmission comprises the following steps of: detecting current flowing in the primary coil in a rising edge of an output voltage signal of the DC-DC converter; determining whether or not the magnitude of the current is a negative level within a preset reference level range; and changing a switching frequency when the current is not the negative level.

    직류-직류(DC-DC) 컨버터 제어 방법과 이를 사용하는 그라운드 어셈블리 및 무선 전력 전송 방법이 개시된다. DC-DC 컨버터 제어 방법은, 전원 소스와 일차 코일 사이에 브릿지 회로 형태로 배열되는 제1, 제2, 제3 및 제4 스위치들을 구비하며 무선 전력 전송에 사용되는 그라운드 어셈블리의 DC-DC 컨버터를 제어하는 방법으로서, DC-DC 컨버터의 출력 전압 신호의 라이징 에지에서 1차 코일에 흐르는 전류를 감지하는 단계, 전류의 세기가 미리 설정된 기준 레벨 범위 내의 네거티브 레벨인지 판단하는 단계, 및 전류가 상기의 네거티브 레벨이 아닐 때 스위칭 주파수를 변경하는 단계를 포함한다.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    - METHOD FOR CONTROLLING DC-DC CONVERTER AND GROUND ASSEMBLY AND WIRELESS POWER TRANSFER METHOD USING THE SAME


    Weitere Titelangaben:

    DC-AC 컨버터 제어 방법과 이를 사용하는 그라운드 어셈블리 및 무선 전력 전송 방법


    Beteiligte:
    LEE WOO YOUNG (Autor:in) / SEONG HYUN WOOK (Autor:in) / CHOE GYU YEONG (Autor:in)

    Erscheinungsdatum :

    2017-05-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

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




    Method for controlling DC-AC converter and ground assembly and wireless power transfer method using the same

    LEE WOO YOUNG / SEONG HYUN WOOK / CHOE GYU YEONG | Europäisches Patentamt | 2019

    Freier Zugriff

    WIRELESS POWER TRANSFER PAD AND GROUND ASSEMBLY HAVING THE SAME

    Europäisches Patentamt | 2018

    Freier Zugriff

    WIRELESS POWER TRANSFER PAD AND GROUND ASSEMBLY HAVING THE SAME

    LEE WOO YOUNG / CHOE GYU YEONG / LEE BYOUNG KUK et al. | Europäisches Patentamt | 2017

    Freier Zugriff

    WIRELESS POWER TRANSFER PAD AND GROUND ASSEMBLY HAVING THE SAME

    LEE WOO YOUNG / CHOE GYU YEONG / LEE BYOUNG KUK et al. | Europäisches Patentamt | 2017

    Freier Zugriff