Aerogenerator vibration and noise inhibition method and apparatus
A technology for wind generators and noise suppression, which is applied in the direction of wind turbines, wind motor combinations, wind power generation, etc., can solve the problems of increasing the complexity and manufacturing cost of the generator manufacturing process, reducing the power density and energy index of the generator, etc. Achieve the effect of increasing complexity and manufacturing cost, achieving vibration and noise
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Embodiment 1
[0025] figure 1 It is a schematic flow chart of an embodiment of the wind generator vibration and noise suppression method provided by the present invention. Such as figure 1 As shown, the wind turbine vibration and noise suppression method in this embodiment may specifically include:
[0026] S101, according to the given value P of the electromagnetic active power of the generator e_ref And the frequency f of the generator is calculated to obtain the given value of the generator field weakening control parameters.
[0027] S102. Control the generator according to the given value of the field weakening control parameter of the generator.
[0028] Specifically, the field weakening control parameters of the generator in this embodiment may be specifically determined according to the control mode of the generator. For example, when current vector control is performed on the generator, the field weakening control parameter of the generator in this embodiment is the given value...
Embodiment 2
[0031] figure 2 It is a schematic flow chart of another embodiment of the wind generator vibration and noise suppression method provided by the present invention. Such as figure 2 As shown, the wind power generator vibration and noise suppression method of the present embodiment provides figure 1 A specific implementation of the wind generator vibration and noise suppression method of the shown embodiment (the situation of current vector control of the generator), the wind turbine vibration and noise suppression method of the present embodiment may specifically include:
[0032] S201, according to the given value P of the electromagnetic active power of the generator e_ref Calculated with the frequency f of the generator to obtain the given value I of the direct axis current of the generator d_ref and the given value I of the generator quadrature axis current q_ref .
[0033] specific, image 3 for figure 2 In the shown embodiment, it is a schematic flowchart of calc...
Embodiment 3
[0056] Figure 4 It is a schematic flow chart of another embodiment of the wind generator vibration and noise suppression method provided by the present invention. Such as Figure 4 As shown, the wind power generator vibration and noise suppression method of the present embodiment provides figure 1 Another specific implementation of the wind generator vibration and noise suppression method of the shown embodiment (the situation of direct torque control of the generator), the wind turbine vibration and noise suppression method of this embodiment may specifically include:
[0057] S401, according to the given value P of the electromagnetic active power of the generator e_ref Calculate the given value Ψ of the flux linkage of the generator with the frequency f of the generator f_ref and the given value T of the generator electromagnetic torque e_ref .
[0058] specific, Figure 5 for Figure 4 In the shown embodiment, it is a schematic flowchart of calculating a given valu...
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