Abstract：A low power consumption, safety intelligent photovoltaic DC system with grounding monitoring function for photovoltaic battery string is put forward in the paper. The new type fuse, grounding monitoring module, current monitoring module, new DC moulded-case circuit-breaker (including used in DC cabinet and inverter cabinet) of combiner box used new technology with independent intellectual property rights, which greatly improve the operating safety and system safety of PV combiner box, reduce system power consumption, and narrow the volume of combiner box, DC cabinet and inverter cabinet. Meantime, the function of grounding monitoring function for photovoltaic battery string. In addition, two 630A/MCCB parallel connection is replaced with one 1250A/MCCB, so the problem of unequal current is complete avoidance and improve the life of other assembly in cabinet, so the safety and reliability of system is improved.
南寅,赵志群,刘芳,朱金保,蓝利民. 一种带光伏串级接地检测功能的低功耗、安全型智能光伏直流系统[J]. 电气技术, 2014, 15(06): 80-85.
Nan Yin, Zhao Zhiqun, Liu Fang, Zhu Jinbao, Lan Limin. The Low Power Consumption, Safety Intelligent Photovoltaic DC System with Grounding Monitoring Function for Photovoltaic Battery String. Electrical Engineering, 2014, 15(06): 80-85.
2014, Vol. 15 
