Wind turbine generator set performance monitoring method based on eight states

The invention discloses a wind turbine generator set performance monitoring method based on eight states. A hardware structure comprises a field side; the field side is connected with a centralized center side; the field side comprises an OPC server; the OPC server is connected with a communication management machine; the communication management machine is connected with a first three-layer switch; the first three-layer switch is connected with a longitudinal encryption device; the centralized center side comprises a longitudinal decryption device; the longitudinal decryption device is connected with a second three-layer switch; the second three-layer switch is in cluster connection with a real-time database and a control server; the second three-layer switch is also connected with a system monitoring terminal; and the longitudinal encryption device is connected with the longitudinal decryption device. fine management and monitoring are carried out on the wind turbine generator set, the working efficiency is improved, the availability of the wind turbines is improved, and labor intensity is reduced.