Day, month, year, place of birth: 08.18.1952, Moscow

Affiliation: National University of Oil and Gas "Gubkin University"

Academic degree/rank: Professor, Dr. Sci. (Eng.)

ORCID: 0000-0002-7772-0095

Scopus ID: 56261333000

Education:

• 1974–1979: Specialty "Electrification and automation of mining", Moscow Institute of Petrochemical and Gas Industry named after Ivan Gubkin;
• 1979–84: Trainee-Researcher, Ph.D.-Student, Moscow Institute of Petrochemical and Gas Industry named after Ivan Gubkin;
• 1984: defense of a Ph.D. thesis in the specialty 05.09.03 - Electrical equipment (by industry);
• 1996: defense of a doctoral thesis in the specialty 05.09.03 - Electrical complexes and systems, including their control and regulation on the topic "Development of the theory, development of methods and means to improve the reliability and stability of electrical systems of multi-machine complexes with continuous technological processes.

Scientific interests: electrical systems of oil and gas production, reliability, stability and energy efficiency.

Main stages of scientific and professional activity:

• 1984–2022: – work in the positions of researchers and faculty;
• now – Professor of the Department of Theoretical Electrical Engineering and Electrification of the Oil and Gas Industry.

Awards: Honored Worker of Higher Education of the Russian Federation (Decree of the President of the Russian Federation of October 26, 2016).

Ershov M. S. is the author of more than 150 publications.

Selected publications:

Monographs:

• Men'shov B. G., Ershov M. S. Reliability of power supply of gas turbine compressor stations. Moscow: Nedra, 1995. 283 p.;
• Ershov M. S., Egorov A. V., Trifonov A. A. Sustainability of industrial electrical systems. Moscow: Nedra, 2011. 320 p.;
• Dzhumamuhambetov N., Yashkov V., Ershov M. Quality of industrial power supply. LAMBERT; 2015. 151 p.

Selected articles:

• Ershov M. S., Feoktistov E. A. Impact of unstable drilling on energy efficiency of drill rotor drive. Mining Informational and Analytical Bulletin. 2022;(1):148–161. (In Russ.) https://doi.org/10.25018/0236_1493_2022_1_0_148;
• Ershov M. S., Komkov A. N., Feoktistov E. A. Operation of DC and AC drives of rotary table in unstable rotation mode of drill bit. Mining Informational and Analytical Bulletin. 2021;(6):153–167. (In Russ.) https://doi.org/10.25018/0236_1493_2021_6_0_153;
• Ershov M. S., Balitsky V. P., Melik-Shakhnazarova I. A. Rotary table DC drive operation under conditions of unstable rotation of drill bit. Mining Informational and Analytical Bulletin. 2020;(11):116–179. (In Russ.)https://doi.org/10.25018/0236-1493-2020-11-0-166-179;
• Ershov M. S., Feoktistov E.A. Analytical solution for a six-mass thermodynamic model of a TEFC induction motor. Bulletin of the Tomsk Polytechnic University. Geo Аssets Engineering. 2022;333(2):53–61. (In Russ.) https://doi.org/10.18799/24131830/2022/2/3331;
• Ershov M. S., Komkov A. N., Gamidov O. M. Determination of the equivalent-circuit parameters and the main characteristics of squirrel-cage low-power induction motors based on analysis of current and voltage signals. Russian Electrical Engineering. 2022;93(2):123–128. https://doi.org/10.3103/S1068371222020055;
• Ershov M. S., Komkov A. N., Melik-Shakhnazarova I. A. Methodology for categorizing the reliability of electric receivers based on the analysis of risk factors and their consequences. Proceedings of the Russian Academy of Sciences. Power Engineering. 2022;(2):16–26. (In Russ.) https://doi.org/10.31857/S0002331022020030;
• Yershov M. S., Feoktistov E. A. Models and algorithms for predicting an asynchronous motor heating when changing operation modes. Russian Electrical Engineering. 2021;92(11):712–719. https://doi.org/10.3103/S1068371221110043;
• Ershov M. S., Komkov A. N., Blyuk V. V. Procedures for calculation of the stability indicators of industrial multi-machine electrical engineering systems. Industrial Power Engineering. 2021;(9):18–26;
• Yershov M. S., Feoktistov E. A. Models and algorithms for predicting an asynchronous motor heating when changing operation modes. Russian Electrical Engineering. 2021;91(11):712–719. https://doi.org/10.3103/S1068371221110043;
• Ershov M. S., Chernev M. Ju. Determination and estimation the emission indicators of harmonic component currents from low voltage asynchronous frequency-regulated drives. Russian Electromechanics. 2019;62(1):59–65. https://doi.org/10.17213/0136-3360-2019-1-59-65;
• Yershov M. S., Konkin R. N. Model of dynamic modes of an asynchronous drive taking into account motor steel saturation and variables of power source. Russian Electrical Engineering. 2019;90(60): 435–443. https://doi.org/10.3103/S1068371219060026;
• Ershov M. S., Lapin D. I. Research of power system of higher reliability based on the four-winding transformer. Electrical and Data Processing Facilities and Systems. 2019;15(3):15–22. (In Russ.) https://doi.org/10.17122/1999-5458-2019-15-3-15-22.