A method for early warning of wind turbine drive system faults
A technology for wind turbines and transmission systems, which is applied in the testing of machine gears/transmission mechanisms, etc., and can solve problems such as inaccurate fault alarms for wind turbines
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[0034]Embodiments of the present invention will be further described below in conjunction with accompanying drawings:
[0035] Regularly monitor the transmission system of a 1.5 MW wind turbine produced by a domestic wind turbine manufacturer. Acceleration sensors and temperature sensors are installed according to the requirements of the measuring points in step 1 of claim 1. The early warning system collects wind turbine transmission data every 30 minutes. For the parameters of system operation, the sampling frequency of the acceleration signal is 32768Hz, and the sampling time is 1min; the measurement speed of the temperature sensor is 850ms / point, and the sampling time is 1min; The three wind turbines are denoted as "a", "b" and "c" respectively.
[0036] Combined with the manual figure 1 The flow chart, the specific implementation steps are as follows:
[0037] A method for early warning of a fault in a transmission system of a wind power generating set, testing the tran...
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