A method of information collection and storage based on the control system of wind power generating set
A technology for wind turbines and information collection, which is applied in the control of wind turbines, wind turbines, wind power generation, etc. It can solve the problems of no records, unfavorable faults, and finding the cause of faults in the instantaneous fault SCADA system, so as to ensure accuracy and response speed Faster, improved operational reliability and safety
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Embodiment 1
[0072] After adopting the above information collection and storage method based on the control system of the wind power generating set. For example, when the main control system reports the generator speed overspeed fault, the data collected by SCADA shows that the generator speed is normal, but the generator speed overspeed fault is always reported, and at this time the data acquisition is carried out by the method of the present invention, namely The collected variable data can be queried, and the exact moment when the speed jump occurs, as well as the specific value exceeding the normal value can be found. This will conclusively confirm that the problem is an incorrect reading from the tach sensor, allowing a quick check and finding that the fault is due to a loose cable between the tach and the PLC. It can be seen that after adopting the method of the present invention, the ability of diagnosing the fault of the wind power generating set can be significantly improved, and ...
Embodiment 2
[0074] Such as Figure 5 As shown, the vibration frequency analysis of the transmission chain is required in the early stage of the wind turbine. After adopting the method of the present invention, we can use a sampling frequency of 10ms, so we can obtain sampling data that is not easy to be distorted and high-precision, so that more accurate and reliable analysis results of the vibration frequency of the transmission chain can be obtained.
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