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18 2025-02 What is the working principle of a static reactive power generator?
The working principle of Static Var Generator (SVG) is to use switchable power electronic devices (such as IGBT) to form a self commutation bridge circuit, which is connected in parallel to the power grid through a reactor. The amplitude and phase of the output voltage on the AC side of the bridge circuit are adjusted appropriately, or the AC side current is directly controlled to quickly absorb or emit the required reactive power, achieving the goal of rapid dynamic adjustment of reactive power.