一种对称故障下电压幅值控制构网型变流器的限流方法

This article proposes a current limiting method for single-loop voltage-magnitude controlled grid-forming (GFM) converters to avoid overcurrent during symmetrical faults. The proposed method consists of two parts, which are the outer power reference adjustment to limit the steady-state fault current, and a transient virtual resistor, implemented by directly modifying the modulation voltage referen...