[IEEE 2019 19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF) - Nancy, France (2019.8.29-2019.8.31)] 2019 19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF) - Performance characteristics of single-phase self-excited induction generators with an iron core of various non-grain oriented electrical sheets