光伏发电系统动态离散等值模型研究

刘可真, 陈雪鸥, 陈镭丹, 林铮, 沈赋

Dynamic Discrete Equivalent Model of Photovoltaic Power Generation System

LIU Kezhen, CHEN Xueou, CHEN Leidan, LIN Zheng, SHEN Fu

表2 不同渗透率条件下发生三相短路接地故障时电流参数拟合结果

Tab.2 Fitting results of current parameters in three-phase short-circuit grounding fault at different permeabilities

步长/s 渗透 率/% 电压 跌落/% 实部拟合残差 虚部拟合残差 0.001 30 3 1.099×10-4 1.502×10-4 0.001 30 5 2.044×10-4 2.647×10-4 0.001 60 3 1.056×10-4 1.003×10-4 0.001 60 5 2.089×10-4 2.389×10-4 0.002 30 3 1.517×10-4 9.681×10-5 0.002 30 5 2.292×10-4 1.926×10-4 0.002 60 3 8.541×10-5 8.792×10-5 0.002 60 5 1.535×10-4 2.154×10-4