公开(公告)号：US20240067036A1

公开(公告)日：2024-02-29

申请号：US18001526

申请日：2021-06-04

申请人： JIANGSU ELECTRIC POWER RESEARCH INSTITUTE CO., LTD. ,  STATE GRID JIANGSU ELECTRIC POWER CO., LTD. RESEARCH INSTITUTE

发明人： Tiankui SUN ,  Yubo YUAN ,  Mingming SHI ,  Xin FANG ,  Jinggang YANG ,  Shuyi ZHUANG ,  Xiaodong YUAN ,  Chenyu ZHANG ,  Lei GAO ,  Peng LI ,  Yaojia MA ,  Shu CHEN ,  Jing CHEN ,  Qun LI ,  Jian LIU

IPC分类号： B60L53/67 ,  B60L53/30

CPC分类号： B60L53/67 ,  B60L53/30

摘要： Disclosed is a charging station capable of realizing mutual capacity aid, which comprises a plurality of charging units, a power bus and a mutual capacity aid bus. Each charging unit is powered by the power bus, and each charging unit provides mutual aid capacity for another charging unit through the mutual capacity aid bus or receives mutual aid capacity from other charging units through the mutual capacity aid bus. The charging station can realize rapid charging of electric vehicles, and can also realize mutual capacity aid.

公开(公告)号：US20210175705A1

公开(公告)日：2021-06-10

申请号：US17061235

申请日：2020-10-01

申请人： STATE GRID JIANGSU ELECTRIC POWER CO., LTD. ,  STATE GRID JIANGSU ELECTRIC POWER CO., LTD. RESEARCH INSTITUTE ,  STATE GRID CORPORATION OF CHINA ,  JIANGSU ELECTRIC POWER RESEARCH INSTITUTE CO., LTD.

发明人： Chenyu ZHANG ,  Yubo YUAN ,  Jinggang YANG ,  Shu CHEN ,  Xiaodong YUAN ,  Jian LIU ,  Mingming SHI ,  Qun LI ,  Xuefeng GE ,  Huiyu MIAO ,  Ruihuang LIU ,  Yunlong JIANG

IPC分类号： H02H7/26 ,  H02H1/00

摘要： Disclosed is a fault current controller for a direct current power grid, which includes a primary circuit and a controller. The primary circuit includes an inductor, a filter capacitor, a resistor, an IGBT switch, a diode, a contactor and a Hall current sensor. The inductor, a first resistor and a second contactor are connected in series and are connected to a first contactor in parallel. A first branch including a second resistor and a first diode, a second branch including a third resistor and a second diode, and the inductor are connected in parallel; the filter capacitor, the IGBT switch and the first resistor are connected in parallel. The Hall current sensor is arranged in the series circuit. The controller controls the IGBT switch and the two contactors in the primary circuit to form different on-off combinations.

公开(公告)号：US20230283070A1

公开(公告)日：2023-09-07

申请号：US18019475

申请日：2021-06-26

申请人： STAE GRID JIANGSU ELECTRIC POWER COMPANY RESEARCH INSTITUTE ,  STATE GRID JIANGSU ELECTRIC POWER CO., LTD. ,  JIANGSU ELECTRIC POWER RESEARCH INSTITUTE CO., LTD.

发明人： Yubo YUAN ,  Xuefeng GE ,  Chenyu ZHANG ,  Mingming SHI ,  Xiaodong YUAN ,  Qi ZHOU ,  Jinggang YANG ,  Ye CHEN

IPC分类号： H02J1/10 ,  G05F1/67 ,  H02J7/35

CPC分类号： H02J1/10 ,  G05F1/67 ,  H02J7/35 ,  H02J2300/26

摘要： The present invention discloses a method and apparatus for photovoltaic DC direct-fed power generation based on controllable power supply. According to the present invention, the photovoltaic cells are directly connected to the DC microgrid, and the DC bus voltage is flexibly regulated by the controllable power supply in the DC microgrid to enable the photovoltaic cells to operate at the maximum power, thus eliminating the need for a DC interface converter when the photovoltaic cells are connected to the DC bus and reducing the cost and size of the distributed PV power generation system.