The present invention relates to an integrated power conversion system for an electric vehicle, which is able to realize an integrated power conversion apparatus for a built-in charger for electric vehicle, second battery charger, and traction converter, increase power density, and simplify circuit configuration, comprising: a high-voltage battery (HVB); a low-voltage battery (LVB); and an on-board charger (OBC)/low voltage DC-DC converter (LDC)/traction converter integrated circuit which is connected to the HVB and the LVB, configures an integrated power conversion circuit by being engaged with the OBC and LDC circuits and the traction converter, and performs a grid to vehicle (G2V) mode for charging the HVB, a vehicle to grid (V2G) mode for transmitting power to the grid, and a traction/LDC function for driving a motor for driving a vehicle and charging the LVB.
본 발명은 전기자동차용 탑재형 충전기와 보조배터리 충전기,트랙션 컨버터의 통합형 전력변환 장치를 구현하여 전력밀도를 높이고 회로 구성을 단순화할 수 있도록 한 전기자동차 통합형 전력변환 시스템에 관한 것으로, 고전압 배터리(HVB);저전압 배터리(LVB); 상기 고전압 배터리(HVB) 및 저전압 배터리(LVB)에 연결되고, OBC(On-Board Charger) 및 LDC(Low voltage DC-DC Converter) 회로 및 트랙션 컨버터(Traction Converter)가 결합되어 통합형 전력변환 회로를 구성하고, 고전압 배터리(HVB)를 충전하는 G2V(Grid to Vehicle) 모드, 계통(Grid)에 전력을 전달하는 V2G(Vehicle to Grid) 모드, 주행 시 모터를 구동하고, 저전압 배터리를 충전하는 트랙션/LDC 기능을 수행하는 통합형 전력변환부(OBC/LDC/Traction Converter Integrated Circuit);를 포함하는 것이다.
Integrated Power Conversion System for Electric Vehicle
전기자동차 통합형 전력변환 시스템
2021-08-20
Patent
Electronic Resource
Korean
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |