Abstract: High magnetic energy permanent magnet (PM) material is prerequisite for the realization of high torque/power density of the machine. However, high coercive force of the PM makes the machine difficult for flux-weakening, limiting its application in high speed occasions such as aerospace. To overcome this problem, a hybrid excited consequent pole permanent magnet vernier machine (HE-CPPMVM) is proposed. The CPPM rotor structure is employed, and the concentrated armature and DC excitation windings are wounded on the stator teeth. When there is no excitation current, the rotating PM fields are modulated by the stator modulation teeth and interact with the armature reaction harmonics to achieve electromechanical energy conversion; when the HE-CPPMVM is supplied with excitation current, the static magnetic fields generated by the stator DC excitation windings are modulated by the salient pole iron core in the CPPM rotor, and the modulated harmonics interacted with the armature reaction harmonics can achieve magnetic field adjustment. This paper introduces the structural characteristics of the HE-CPPMVM, establishes the models of CPPM field, excitation magnetic field and magnetic permeance of stator and rotor, expounds the characteristics of working harmonic, and reveals the regulation principle of magnetic field by multiple harmonic operate. The prototype is processed and tested to verify the effectiveness of the flux-regulation principle.