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一种用于水轮发电机组定子铁芯故障监测方法及系统
InventionUnknown
9Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
刘懋霖; 宋金育; 侯福年; 刘雨松; 项辉
Filing Date
Aug 5, 2026
Publication Date
Oct 20, 2026
IPC Classification
G06F 18/10 (2023.01)G06F 18/2433 (2023.01)G06F 18/213 (2023.01)G06F 18/214 (2023.01)G06F 18/25 (2023.01)G06N 3/042 (2023.01)G06N 3/0442 (2023.01)G06N 3/045 (2023.01)G06F 30/23 (2020.01)G06F 119/02 (2020.01)
本发明公开了一种用于水轮发电机组定子铁芯故障监测方法,属于水力发电设备状态监测技术领域。本发明通过在定子铁芯上布置多类型传感器,同步采集振动、温度、气隙和局部放电信号,并对运行工况参数进行同步采集;对采集的多源信号进行预处理;构建电磁场、温度场、结构场多物理场耦合模型,提取多物理场耦合特征参数;计算定子铁芯的综合健康指标HI;将多源监测数据和综合健康指标输入训练好的图注意力网络与长短期记忆网络混合深度学习模型,对定子铁芯的未来健康状态进行预测,输出故障预警信号和故障类型识别结果。本发明实现了多源信息融合与物理机理驱动的定子铁芯故障在线监测与趋势预测,具有监测全面、诊断准确、预警及时的优点。
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