Customer´s impact on the distribution grid

This paper describes the problems occurring due to customers´ impact on the distribution grid. The most common power quality (PQ) disturbances in the distribution grid, caused by customers´ usage, are voltage dips due to rapid load changes, e.g. motor starting (in-rush currents), and flickers. Problems with poor compensation are also very common. Current regulations for the Croatian Distribution System Operator regarding power quality are defined on the basis of the EN 50160 standard [1].