The present application relates to the field of
wind power generation technology, and discloses a wind farm multi-dimensional intelligent diagnosis and fault
early warning system based on data driving.The present application comprises a state
perception quantization module, a state assumption generation module, a
verification generation implementation module, a confidence degree synthesis calculation module and a diagnosis
report generation module; the
system generates state signals by identifying abnormalities and using dynamic threshold values to monitor wind
turbine operation data in real time; generates fault root assumption based on diagnosis
knowledge graph and historical cases; plans and executes multi-dimensional
verification chain for each fault root assumption, obtains quantitative evidence from power curve, operation data, log records and other sources; fuses the evidence and calculates the reliability of each fault root assumption through a confidence degree synthesis
algorithm, and outputs a high confidence degree diagnosis conclusion; finally, a structured report containing abnormal information, diagnosis results, visualized evidence and operation and maintenance suggestions is automatically generated; the present application improves the operation and maintenance efficiency and reliability of the wind farm.