Grid connecting system of permanent magnet synchronous wind driven generator
A wind turbine, permanent magnet synchronous technology, applied in wind power generation, control/regulation systems, electrical components, etc., can solve problems such as low grid-connected voltage, reduce heat loss, and enhance low-voltage operation capabilities.
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[0024] Example
[0025] like figure 1 As shown, a permanent magnet synchronous wind turbine grid-connected system includes a wind turbine 1, a permanent magnet synchronous generator 2, a generator-side converter 3, a DC boost module 4, a grid-side converter 5, and a control module. 6 and energy storage module 7. Wind turbine 1, permanent magnet synchronous motor 2, generator-side converter 3, DC boost module 4 and grid-side converter 5 are connected in sequence and then connected to grid 8, generator-side converter 3 and DC boost module A first capacitor C1 is connected in parallel between 4, a second capacitor C2 is connected in parallel between the DC boost module 4 and the grid-side converter 5, and the energy storage module 7 is connected in parallel between the second capacitor C2 and the grid-side converter 5 , the control module 6 is respectively connected with the generator-side converter 3, the DC boosting module 4, the grid-side converter 5 and the energy storage m...
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