Based on the principle of active injected voltage, SSMES can compensate the voltage sags to improve power quality, and suppress the fault current very quickly to protect the substation and itself.

• 基于有源注入电压的原理,SSMES不仅可以补偿电压以提高电能质量,同时也可以快速限制故障电流以保护自身以及整个变电站系统。