MV network control and protection policy: technical and functional aspects

The distribution network of Electrabel in Wallonia, Belgium, has been managed by five different zones. Each one was responsible for the choice of equipment, techniques, methods and operation of its network. There was no common strategy for the whole network. The goal of this paper is to present the standards and policy defined for control and protection of the MV network and their advantages. The choices made are based on the experience acquired in the field throughout the years and aimed to get simple and cost effective rules and methods