A high-voltage and high-power wind power generation system and its control method
A technology of a wind power generation system and a control method, which is applied in the control of wind turbines, wind energy power generation, wind turbines, etc., can solve problems such as bulky volume and high cost.
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[0061] Below in conjunction with accompanying drawing, the patent of the present invention is further described.
[0062] figure 1 It is a topological structure diagram of a multi-phase high-power permanent magnet synchronous generator. The rotor of the multi-phase generator is coaxially connected with the wind turbine. The wind turbine converts the captured wind energy into mechanical energy and drives the multi-phase generator to generate electricity; the multi-phase generator The stator has 9n phase windings, each phase winding is marked as: A 1 , B 1 , C 1 , A 2 , B 2 , C 2 , A 3 , B 3 , C 3 ,...,A 3i+1 , B 3i+1 , C 3i+1 , A3i+2 , B 3i+2 , C 3i+2 , A 3i+3 , B 3i+3 , C 3i+3 ,...,A 3n , B 3n ,C 3n , i=0, 1,..., n-1; the phase difference of alternating current output by adjacent two-phase windings is 360° / (9n); every 3-phase winding A 3i+1 , B 3i+1 、C 3i+1 Form a set of three-phase AC windings, namely A 3i+1 , B 3i+1 、C 3i+1 The 3i+1 sets of three-pha...
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