Co-simulation of distribution active management and distribution state estimation to reduce harmful effects of inaccuracies

Active networks are distribution networks with generators, storage devices, and flexible loads subject to control. Distribution Management System (DMS) needs to know the state of the network to coordinate distributed energy resources and manage and control the system economically and safely. The distribution systems have a very large number of nodes but few measurements points. Ad hoc Distribution System State Estimators (DSSEs) are needed to provide to the DMS the estimated status of the network (starting from real measurements and historical data, e.g. pseudo-measurements). The quality of the estimates can seriously affect the system management. In this paper, co-simulation of DMS and DSSE is presented. The impact of the uncertainty of the DSSE results on DMS operation is investigated by applying the proposed procedure to representative examples derived from ATLANTIDE project.