Title :
Optimization of State-Estimator-Based Operation Framework Including Measurement Placement for Medium Voltage Distribution Grid
Author :
Yu Xiang ; Ribeiro, P.F. ; Cobben, J.F.G.
Author_Institution :
Electr. Energy Syst. Group, Eindhoven Univ. of Technol., Eindhoven, Netherlands
Abstract :
To provide a guideline for grid operators to manage medium voltage distribution grids, this paper presents a probabilistic approach for measurement placement optimization and a state-estimator-based operation framework. The Monte Carlo method is used to optimize the measurement placement with minimum measured points, which support the observability of state estimator and satisfy the requirements for operation activities. The proposed framework covers several important factors from practical situations, including cost allocation of measurement systems, unavailability of measurement data, and small voltage deviation across medium voltage (MV) grids. Finally, a case study on a typical European distribution grid demonstrates the feasibility of the framework.
Keywords :
Monte Carlo methods; distributed power generation; optimisation; power distribution economics; power grids; power system management; power system measurement; power system state estimation; European distribution grid; Monte Carlo method; cost allocation; measurement placement optimization; medium voltage distribution grid management; observability; probabilistic approach; state estimator-based operation framework optimization; Current measurement; Measurement units; Monte Carlo methods; Optimization; Reactive power; State estimation; Voltage measurement; Central limit theorem; Monte Carlo methods; distribution management system (DMS); load estimation; measurement placement; state estimation; state estimation.;
Journal_Title :
Smart Grid, IEEE Transactions on
DOI :
10.1109/TSG.2014.2343672