Paplicki, Piotr, and Ryszard Palka. “Effects of Additional Magnets and Iron Components in the Rotor on Flux Control of a Hybrid-Excited Synchronous Machine”. Archives of Electrical Engineering 74, no. 3 (September 30, 2025): 603–616. Accessed October 17, 2026. https://wydawnictwo.pan.pl/index.php/aee/article/view/5942.