一种并网逆变器直流电容容值辨识方法

朱城昊, 王晗, 孙国歧, 魏晓宾, 王富文, 蔡旭

An Identification Method for DC-Link Capacitor Capacitance of Grid Connected Inverter

ZHU Chenghao, WANG Han, SUN Guoqi, WEI Xiaobin, WANG Fuwen, CAI Xu

表1 SVR模型评估

Tab.1 Performance evaluation of SVR model

信噪比/dB 数据集类型 MSE R' MAPE 20 训练 7.2278×10-6 0.9948 0.1761 待测 5.1128×10-7 0.9989 0.0444 15 训练 7.4148×10-6 0.9945 0.1760 待测 8.3376×10-7 0.9982 0.0584 10 训练 7.4364×10-6 0.9943 0.1754 待测 1.0387×10-6 0.9978 0.0654