The VELCO STATCOM based transmission system project

The Vermont Electric Power Company, Inc., (VELCO) initiated a major transmission system project involving a reconfiguration of a key 115 kV substation and the installation of a STATCOM-based dynamic reactive compensation system. This project has an in-operation date of May 2001. The paper gives an overview of the VELCO transmission system project with emphasis on the STATCOM-based dynamic reactive compensation system. The major items with respect to the STATCOM system addressed in this paper include: power system requirements; STATCOM system description; STATCOM system layout; and STATCOM construction and installation.