分析表明，采用合适电容值的低等效寄生电阻的滤波电容，并提高开关频率，可减小输出电压跌落。
The analyses show that using a low equivalent series resistance (ESR) capacitor with a carefully determined value and raising switching frequency can decrease output voltage fall.
基于三相自耦变压器和由可控器件IGBT构成的双向开关实现的新型三相vsg，可以方便地控制跌落类型、跌落持续时间、跌落深度和跌落相位。
A novel three-phase VSG is built by three-phase autotransformer and IGBT based bidirectional switch, can easily control the types of voltage sags, sag duration, sag depth and sag phase.
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