A Static Synchronous Series Compensator (SSSC) is a type of FACTS (Flexible AC Transmission System) device used in power systems to enhance the transmission capacity and stability of electrical networks. It consists of a voltage source converter (VSC) connected in series with the transmission line. The primary function of an SSSC is to inject a controllable voltage in series with the line current to regulate power flow, improve voltage profiles, and enhance the overall stability of the transmission system.
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