Performance Analysis and Optimization of Built-In Permanent Magnet and Salient-Pole Electromagnetic Hybrid Excitation Generators for Vehicles

Figure 16

Variation diagrams of generator output performance with different thicknesses and inner diameters of semicircular annular PM steel: (a) output voltage under rated load condition; (b) voltage regulation rate; (c) THD of no-load voltage.

(a)

(b)

(c)