Practical analysis method for claw-pole type generator using 2-dimensional equivalent model

The design of 2-dimensional equivalent model for claw-pole type generator is presented in this paper. On the basis of 3D geometry, 2D equivalent model is designed and 2D FEA is performed. Comparing to other analysis method for claw-pole type machine, such as 3D FEA and MEC, presented method can be more practically used and directly applied to industry. Flux distribution in the air-gap and flux density at rotor and stator are verified by 3D FEA, and no-load back EMFs for field input voltages are verified by measurement.