This paper proposes the pole change generator for micro windmill with Maximum Power Point Tracking (MPPT) system. First, to show the effect of the pole change generator, the generator and the pole changing controller are made. Then, the pole change generator can make the values of best load by converting the pole number. Next, the input variable and the control method are examined for the improvement in a control performance of MPPT control. Then, the MPPT is the climbing-a-mountain method. The proposed method was able to maintain the output of power generation for a wide load change. The proposed method is a good control characteristic.
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