Synchronous electric machine and ship comprising such machine

A synchronous electric machine (8) comprises: a stator (9) and a wound rotor (10), said stator comprising a plurality of phases, each phase comprising: coils (13) connected together; and magnetic stator pole cores (12) fixed on the stator frame (11) and uniformly distributed along the stator diameter, each coil being wound around a different magnetic stator pole core to form a magnetic stator pole, each phase comprising the same number of magnetic stator poles, the magnetic stator poles of each phase are disposed in the stator frame to form a concentric winding stator. The rotor (10) comprises: a plurality of magnetic rotor pole cores (14) uniformly distributed around the rotor (10); and rotor coils (14) each wound around a different magnetic rotor pole core to form a magnetic rotor pole. 同步电机器(8)包括：定子(9)和缠绕式转子(10)，所述定子包括多个相，每个相包括：连接在一起的线圈(13)；以及磁性定子极芯(12)，所述磁性定子极芯(12)固定在定子框架(11)上并沿定子直径均匀分布，每个线圈围绕不同磁性定子极芯缠绕以形成磁性定子极，每个相包括相同数量的磁性定子极，每个相的所述磁性定子极设置在所述定子框架中以形成同心绕组定子。转子(10)包括：围绕所述转子(10)均匀分布的多个磁性转子极芯(14)；以及转子线圈(14)，