Robust Control of Static Var Generator Based on Loop Forming

The static var generator has the advantages of good reactive power compensation performance, small size and low loss, and has been widely used in power systems. Aiming at the problems of poor anti-interference ability and low accuracy of regulation of static var generator controlled by traditional proportional-integral control, we propose a control strategy of static var generator based on loop forming robust controller. First, the mathematical model of SVG is established, and the uncertainty of its parameters is considered in the current inner loop control to model. A robust controller for loop forming is designed. Finally, the reactive power compensation effect of the static reactive power generator control is tested in MATLAB/Simulink with resistive inductive and resistive capacitive loads respectively, and the results verify the effectiveness of the proposed control strategy.