Research Article

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

Figure 2

Schematic diagram of magnetic field regulation of HEG: (a) when the excitation current is less than 0 A; (b) when the excitation current is equal to 0 A; (c) when the excitation current is greater than 0 A.
(a)
(b)
(c)