Incorporating Multiple Uncertainties into Iterative Probabilistic Load Flow

In a realistic, future distribution grid planning and operation all uncertainties have to be incorporated into the system model. The most favoured solution for these challenges is the usage of statistical tools within the power flow analysis. This approach is called probabilistic power flow (PLF). This publication applies different sampling techniques to non-Gaussian distributions of photovoltaic (PV) plants on a benchmark grid cluster. A PV unit penetration of 33% led in almost half of the grids to thermal problems due to high currents. Nodal voltages increased earlier due to the ohmic character of the grid.