Abstract

Focus on the ripple of the output voltage of switched reluctance generator (SRG), an optimized controller of turn-on and turn-off angle basing on fuzzy logic is designed. The effect of turn-on and turn-off angle on system's performance is studied after introducing the working principle of SRG. Considering the ripple of output voltage and the difference between the real voltage and the reference voltage, the voltage of SRG is limited near the reference voltage by optimizing the turn-on and turn-off angle through fuzzy logic method. The self-exciting SRG model which adopts voltage feedback control is built to validate this controller's correctness and robustness. Compared with traditional PI control method, the fuzzy logic algorithm can restrain the voltage ripple and strengthen system's static performance well.

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