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一种基于PINN灰盒扩展卡尔曼滤波的构网型逆变器状态-参数联合估计及节点惯量映射方法
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8Claims · 1 independent
§ Ⅰ
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Inventor
黄蔓云; 王麒皓; 申璐; 孙国强; 卫志农; 臧海祥; 陈胜; 程礼临
Filing Date
Aug 20, 2026
Publication Date
Oct 16, 2026
IPC Classification
H02J 3/38 (2026.01)G06N 3/042 (2023.01)G06N 3/09 (2023.01)G06F 17/11 (2006.01)H02J 3/06 (2026.01)H02J 103/35 (2026.01)
本发明公开了一种基于PINN灰盒扩展卡尔曼滤波的构网型逆变器状态‑参数联合估计及节点惯量映射方法，该方法将构网型逆变器稳态量测物理模型与PINN残差补偿模型融合，构建能够表征暂态响应的灰盒量测方程，能够同步辨识逆变器动态状态、虚拟惯量及阻尼参数。本发明提出的方法能够在避免复杂暂态量测建模的情况下，提高状态‑参数联合估计精度，并将源侧惯量映射至配电网节点，为节点频率支撑能力评估提供技术支撑。
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