Wind turbine generator operation control method and device based on prony algorithm and storage medium
A wind turbine, operation control technology, applied in the direction of engine control, wind engine control, wind power generation, etc., can solve the problems of large component damage, reduced service life, and inability to identify oscillations in real time, so as to avoid fatigue damage and improve The effect of safe operation and accurate fitting results
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[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, which are explained by the present invention and not limiting.
[0030] The operation control method of wind power unit based on the PRONY algorithm of the present invention includes the following steps:
[0031] S1: After filtering the running parameter signal, obtain the filtering running parameter signal after filtering; the operating parameter signal can be a generator rotation, power, pitch angle or a paddle rate. Filtering processing includes low pass filtering processing and notch filtering.
[0032] S2: Using the PRONY algorithm to approximate the filtered operating parameter signal into a model with a generator speed oscillation amplitude, generator speed oscillation frequency, generator speed oscillator phase, and generator rotational speed oscillator attenuation factor. Model, The convergence target is a minimum of the error, the minimum, an...
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