Application of Wedges for the Reduction of the Space and Time-Dependent Harmonic Content in Squirrel-Cage Induction Motors

Table 3

Line current rotor slot-related harmonics amplitudes.

Harmonic (Hz)	Open slots (dB)	Harmonic (Hz)	Wedged (dB)
20	−50,86	22,31	−57,18
80	−50,86	77,69	−58,15
333,8	−52,26	332,3	−59,85
633,8	−21,69	632,3	−27,81
603,8	−62,91	604,6	−75,56
663,1	−62,76	660	−75,47