Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting · 2003 · 11 citations · 8 references
Health ProfessionsAudiologyElectrical EngineeringAcousticsHearing SciencePsychoacousticsElectric Motor DrivesNoiseNoise MeasurementNoise PollutionNoise TestingNoise-induced Hearing DamageAcoustic NoiseCurrentsElectric Motor NoiseHarmonicsInduction MotorsLoad CharacteristicsPermanent Magnet MotorsSwitched Reluctance Motors
The major source of noise in an ASD (adjustable-speed drive) is the excitation of the motor by nonsinusoidal currents. For load characteristics that simulate the performance required for fans and compressors, ASDs based on induction motors, permanent-magnet motors, and switched reluctance motors have been examined for correlation between current and acoustic noise. The effects that the specific types of noise produced by drives has on human subjects is examined with regard to temporary and permanent hearing-threshold shifts.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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