Calculation and Analysis of Permanent Magnet Eddy Current Loss Fault with Magnet Segmentation

Table 3

Eddy current losses of permanent magnet under 37th harmonic currents at different stages.

Number of permanent magnet segments	The ratio of magnetic length and depth of penetration	Eddy current losses under the first and 37th harmonic excitation/W	Eddy current losses under the first harmonic excitation/W	Eddy current losses under the 37th harmonic excitation/mW
1	5.4	0.8233	0.8024	20.9
2	2.7	0.5187	0.5152	3.5
3	1.8	0.3607	0.3325	28.2