Zinovkin, V. V., M. L. Antonov, and Y. O. Krysan. “INFLUENCE OF NON-STATIONARY ELECTROMAGNETIC PROCESSES ON ELECTROMECHANICAL PARAMETERS IN A SYNCHRONOUS ELECTRIC DRIVE”. Electrical Engineering and Power Engineering, no. 2, Feb. 2018, pp. 6-17, doi:10.15588/1607-6761-2017-2-1.