Gnaciński, Piotr, and Damian Hallmann. “Speed Variations in Cage Induction Motors Under Sinusoidal Voltage Modulation”. Scientific Journal of Gdynia Maritime University, no. 124 (December 31, 2022): 31–41. Accessed May 17, 2024. https://ojs.umg.edu.pl/index.php/sjgmu/article/view/320.