Hyosung Heavy Industries held a ceremony on Oct. 25 to mark the completion of installation of a 400-Mvar STATCOM (Static Synchronous Compensator) in each of the Shinyoungju and Shinchungju substations of Korea Electric Power Corp. (KEPCO). It is the world’s single largest STATCOM ever installed. Hyosung Heavy Industries applied its own MMC (Modular Multi-level Converter) technology to the STATCOMs to actualize a large capacity and a low loss. STATCOM is a device to ensure a stable sup...