V.I. Dubrov, R.G. Oganyan, N.D. Narakidze, G.K. Aleksanyan, On the Mathematical Simulation of Digital Substation Technological Processes, Journal of Engineering and Applied Sciences, Volume 12,Issue 2, 2017, Pages 276-282, ISSN 1816-949x, jeasci.2017.276.282, (https://makhillpublications.co/view-article.php?doi=jeasci.2017.276.282) Abstract: This study addresses the mathematical simulation of technological processes based on different approaches. Phenomenological Models are observed. The mathematical model of the digital substation technological process based on petri nets is developed. Keywords: Mathematical simulation;digital substation;technological process;petri nets;Russia