Oct 24, 2016 #1 Shark96 Electrical Feb 24, 2015 42 Why motors are noisy at low rpm and sound gets normal at higher rpm/ frequencies?
Oct 24, 2016 #2 spacebeer Mechanical Oct 24, 2016 13 I supose because at low rpm the torque is near max values.... Wait for better answers and for people with more knowledge...i'm Mechanical Upvote 0 Downvote
I supose because at low rpm the torque is near max values.... Wait for better answers and for people with more knowledge...i'm Mechanical
Oct 24, 2016 #3 HamburgerHelper Electrical Aug 20, 2014 1,127 The frequency of the magnetostriction of your motor was in the inaudible range at higher rpm or not near a mechanical resonant frequency? Upvote 0 Downvote
The frequency of the magnetostriction of your motor was in the inaudible range at higher rpm or not near a mechanical resonant frequency?
Oct 26, 2016 #4 GroovyGuy Electrical May 9, 2016 421 Hi Sark, Are these motors running under VFD control, or are they single-speed DOL? GG The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty. Winston Churchill Upvote 0 Downvote
Hi Sark, Are these motors running under VFD control, or are they single-speed DOL? GG The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty. Winston Churchill
