negative impacts. distributed sources. Power systems. measurement. smart gridKoníček, Michal, 1988- Impact of distributed sources on safety operation of power system / aut. Michal Koníček, Anton Beláň, Marián Ivanič. Beláň, Anton, 1970-. Ivanič, Marián, 1989- In: Elektroenergetika 2015. -- 978-80-553-2187-5 International scientific symposium on electrical power engineering. -- Košice : Technical University of Košice, 2015. -- CD-ROM, S. 492-495.