Abstract
Abstract A virtual synchronous generator (VSG) enables the converter output to have similar external characteristics to the synchronous generator, but its virtual rotary inertia and damping factor need to be flexibly adapted to strengthen the dynamic stability of the system. Given the shortcomings of existing adaptive strategies, this paper presents a VSG parameter adaptive control strategy based on improved fuzzy control. GRO is used to optimize the quantization factor and scale factor of the fuzzy controller, to strengthen the adaptive ability of the fuzzy controller to the rotary inertia and damping factor. Simulink simulation is used to verify the superiority of the control strategy.
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