Slobodeniuk, D. V., and O. V. Bialobrzeski. “THE CAPACITIVE STORAGE DEVICE IN THE CIRCUIT OF SYNCHRONOUS MOTOR EXCITATION FOR THE FIELD FORCING AND DISCHARGE”. Electrical Engineering & Electromechanics, no. 2, Apr. 2015, pp. 16-20, doi:10.20998/2074-272X.2015.2.03.