Analyzing the impact of home energy systems on the electrical grid

Abstract

This paper shows an approach to analyze the behavior of the electrical low-voltage grid. Here, the focus lies on home energy systems acting as heat supplier for buildings and photovoltaic systems as domestic electrical energy sources. Electrical quantities of the grid like voltage, load flow through the distribution transformer, grid losses and the utilization of the cables are analyzed in a case study. This case study includes two scenarios. The first one is built up with an actual penetration of distributed systems and the second (generic) one includes higher shares of these systems. As a result so far, we cannot find any violation of critical values in the considered test cases.