The main circuit configuration of SVG is based on topology configuration of PWM 4-quadrant converter, AC current of PWM converter can work in 4-quadrant, so do SVG.
SVG主电路结构是基于PWM变流器的拓扑结构，PWM交流器可以在四象限运行，所以SVG亦可在四象限运行，从而达到为系统提供无功功率的目的。
The main circuit configuration of SVG is based on topology configuration of PWM 4-quadrant converter, AC current of PWM converter can work in 4-quadrant, so do SVG.
SVG主电路结构是基于PWM变流器的拓扑结构，PWM交流器可以在四象限运行，所以SVG亦可在四象限运行，从而达到为系统提供无功功率的目的。
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