Disclosed are a vehicle-loaded charging device with a single-phase reverse function capable of bidirectional control and a control method thereof. The vehicle-loaded charging device with a single-phase reverse function comprises: a system-linked inverter circuit part operating in three phases in a charging mode, and operating in a single phase in a discharging mode; a bidirectional LLC resonating converter circuit part performing charging control by performing output current control to operate at a variable frequency in accordance with a current control result of the system-linked inverter circuit part in the charging mode, and performing a fixed-frequency non-control operation at an optimal frequency in the discharging mode; and a unidirectional buck converter circuit part connected to the bidirectional LLC resonating converter circuit part, prevented from operating in the charging mode, and performing reverse current control in the discharging mode.

    단상 역방향 기능을 가지는 차량 탑재형 충전 장치 및 이의 제어 방법이 개시된다. 단상 역방향 기능을 가지는 차량 탑재형 충전 장치는 충전 모드에서 3상으로 동작하며, 방전 모드에서 단상으로 동작하는 계통 연계형 인버터 회로부; 상기 충전 모드에서 상기 계통 연계형 인버터의 전류 제어 결과에 따라 가변 주파수로 동작하도록 출력전류제어를 수행하여 충전 제어를 수행하고, 상기 방전 모드에서는 최적주파수로 고정주파수 비제어 동작을 수행하는 양방향 LLC 공진형 컨버터 회로부; 및 상기 양방향 LLC 공진형 컨버터 회로부와 연결되되, 상기 충전 모드에서는 동작하지 않으며, 상기 방전 모드에서 역방향 전류 제어를 수행하는 단방향 벅 컨버터 회로부를 포함한다.


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    Title :

    On-Board Charger with On-Board Charger with Single-Phase Reverse Function and control method thereof


    Additional title:

    단상 역방향 기능을 가지는 차량 탑재형 충전 장치 및 이의 제어 방법


    Contributors:

    Publication date :

    2023-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    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



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