Experimental study of the field in the gap of synchronous machine with the use of sinusoidal turnsMustafaquliva Gulzoda, Maxmadiyev Giyos, Zaripov Odiljon and Zaripova ShaxloE3S Web of Conf., 216 (2020) 01109DOI: https://doi.org/10.1051/e3sconf/202021601109