A kind of wind power generating set and control method
A technology of wind power generators and doubly-fed generators, which is applied in the direction of wind power generation, control of generators and electrical components through magnetic field changes, and can solve the problems of large proportion and poor efficiency, and achieve reduced losses, simple operation, and low cost. The effect of grid-connected power generation
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] like Figure 1 to Figure 5 As shown, the wind power generating set of this embodiment includes a control unit 6, a converter 3, a doubly-fed generating set 2 and an impeller 1, the doubly-fed generating set 2 is mechanically connected to the impeller 1, and the stator of the doubly-fed generating set 2 is connected to The power frequency power grid (or connected to the power frequency power grid through the grid-connected unit 7), the rotor is connected to the converter 3, and the first and last ends of the winding units in each phase winding in the stator of the doubly-fed generator set 2 are led out of the generator body , and connected to the grid-connected unit 7 via a switch unit 5, and then connected to the power frequency grid, wherein a filtering unit 4 is set between the switch unit 5 and the double-fed generator set 2, and the ...
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