Proposal of Electromagnetic Noise-generating Mechanism on Carrier Harmonics
In recent years, electromagnetic noise on carrier harmonics contained in the output waveform of an inverter has been a problem in motor development. Conventionally, career distribution was adopted in control as electromagnetic noise-control technology on carrier harmonics. However,
since structure and an electromagnetic noise-generating mechanism are not known, effective distribution cannot be performed and the big effect is not acquired. This paper reports the generating mechanism of the noise drawn from the experiment and FEM analysis of vibration and noise using Permanent
Magnet Synchronous Motor with concentrated windings and distributed windings paying attention to the relation between the electromagnetic-force mode on career frequency, and the natural vibration mode on structure.
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Document Type: Research Article
Publication date: 21 August 2016
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