A Hybrid Model of Photovoltaic Power Stations for Model Ling Tasks of Large Power Systems.Published in:Electrotehnica, Electronica, Automatica, 2021, v. 69, n. 4, p. 43, doi. 10.46904/eea.21.69.4.1108005By:RUBAN, Nikolay;RUDNIK, Vladimir;RAZZHIVIN, Igor;KIEVEC, AntonPublication type:Article