Method for determining hydraulic turbine dynamic-static interference vibration transmission path

The invention discloses a method for determining a hydraulic turbine dynamic-static interference vibration transmission path. The dynamic and static interference frequency of the hydraulic turbine isobtained by testing the flow passage components of the hydraulic turbine from the upstream side to the downstream side; whether each flow passage component of the hydraulic turbine has dynamic and static interference vibration frequency or not is judged through autocorrelation analysis, whether vibration transmission exists in dynamic and static interference vibration of the hydraulic turbine or not is studied through cross-correlation analysis, and the transmission rate of the dynamic and static interference vibration is determined through an autopower spectrum and cross-power, so that a transmission path of the dynamic and static interference vibration is obtained. The method can be applied to determination of the dynamic and static interference vibration transmission path of the hydraulic turbine, so that the d