Composite excitation synchronous generator with dual rotor cores

A composite excitation synchronous generator with dual rotor cores comprises a rotary shaft, an end cover, an excitation current input device, a stator core, an engine seat, an armature winding, a permanent magnetic rotor and a convex pole electric excitation rotor, wherein the permanent magnetic rotor consists of a permanent magnetic rotor core and permanent magnet bodies, the convex pole electric excitation rotor consists of a convex pole electric excitation rotor core and an excitation winding, the armature winding is embedded in the stator core, the convex pole electric excitation rotor and the permanent magnetic rotor are sequentially installed on the rotary shaft, the excitation winding is wound on the convex pole electric excitation rotor core and is connected with the input device of the excitation current, the permanent magnet bodies are distributed in the groove of the permanent magnetic rotor core, an magnet separating sleeve I is arranged between the convex pole electric excitation rotor core and