Study on the Characteristics of Electromagnetic Noise of Axial Flux Permanent Magnet Synchronous Motor

Table 5

Calculated and experimental values of accelerations level of 15 kW motor.

Item	Value
Frequency/Hz	165	330	495	825
Calculation/dB	94.5	84.1	82.3	62.36
Measured value/dB	99.7	84.5	78.1	74.66
Error/%	−5.2	−0.47	5.3	16.4