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Alternative application and modeling of valve electric drive for borehole pump installations
Drilling and development of hydrocarbon fields

Authors: Andrei V. EGOROV was born in 1957, graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1980. He is Dean of the Faculty of Postgraduate Education at Gubkin Russian State University of Oil and Gas. He is Doctor of Technical Sciences, Professor. He has published over 120 scientific papers in the field of information security. E-mail: aveyegorov@yandex.ru
Anton S. ILYUMDZHIEV was born in 1986. He graduated from Gubkin Gubkin Russian State University of Oil and Gas in 2009, as master of engineering and technology. He is now a postgraduate student of the Department of Theoretical Electrical Engineering and Electrification of Gubkin Russian State University of Oil and Gas. E-mail: antonio_ulum@list.ru

Abstract: The paper suggests the use of alternative ac converter-fed motor (ACCFM) as the drive for sucker rod pumping units (SRPU) instead of asynchronous motors with a squirrel-cage rotor. Key indicators of the efficiency of the SRPU are presented and the possibilities of improving them applying ACCFM are proposed. It is suggested to use an electro-mechanical model of the ACCFM to study of its dynamical regimes for the specific nature of the SRPU load. The results of modeling are found to correspond to the physical description of the considered transients.

Index UDK: 621.313.8

Keywords: valve electric drive, energy efficiency of pumping units, mathematical modeling