• Generator mode analysis of exterior-rotor PM synchronous machine with Gramme's windingNukki, Rene; Kilk, Aleksander; Kallaste, Ants; Vaimann, Toomas; Tiimus, Kristjan2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) : proceedings : May 11-13, 2015, Riga, Latvia2015 / p. 347-352 : ill http://dx.doi.org/10.1109/PowerEng.2015.7266341