Voltage fluctuations in networks with distributed power sources

One of the electromagnetic disturbances generated by distributed power sources, e.g. wind turbines, are voltage fluctuations that in many cases are an impediment to their connection to the network. An imprecise prediction of the disturbance level may be the reason for erroneous decisions made at the stage of issuing technical conditions of connection. In the authors´ opinion the most common causes for decision errors can be: the lack of sufficiently precise tools for assessing the level of flicker attenuation, high uncertainty of prediction of the disturbance level after connection, and too low disturbance emission limits. This thesis is justified by the simulation and measurement results presented in the paper.