Low-voltage distributed photovoltaic complete monitoring device

• Main Authors: FENG LONGJI, FANG LEI, CHU CHENGBO, ZHAO YI, DAI BAOQIN, LIN HE, ZHU LIPING, HE YINGHONG, YANG JINCHENG, WANG ZIHU, WU FANGZHU, MA AN'AN
• Format: Patent
• Language: Chinese; English
• Published: 02.05.2023
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention relates to the technical field of electricity utilization information acquisition, in particular to a low-voltage distributed photovoltaic complete monitoring device, which comprises an isolation unit, a metering unit, a protection unit and a main control unit, the isolation unit is used for isolating the monitoring device from a main network; the wire inlet end of the isolation unit is connected to a main power grid, and the wire outlet end is connected to the metering unit. The metering unit is used for monitoring electric quantity; the wire inlet end of the metering unit is connected to the wire outlet end of the isolation unit, and the wire outlet end of the metering unit is connected to the protection unit. The protection unit is used for line protection; the wire inlet end of the protection unit is connected to the metering unit, and the wire outlet end of the protection unit is used for connecting an additionally arranged photovoltaic inverter; the main control unit is used for acquiring