jbartos....3 phase 415v 50 Hz inverter driven. two and four pole machines.
bklauba....first of all thank you for your reply, however I have to disagree with you somewhat, as my question relates to harmonics of uk line frequency not rotational speed. what you are describing is more of a...
My apologies for the long winded question. And many thanks in advance for any help you may be able to give me
When analysing vibration spectra on electric motors, I am finding responses @ 100-200 & 300 Hz 2-4&6 times UK AC line frequency. i know soft foot or sprung foot can cause this dur to...
I have used a web site in the past for identifing frame sizes it was something like motorsand drives.com
another avenue might be a company called pdme corp i think they have lots of dealings with GE try their web site for an email addy
Can anyone help? My son is starting an apprentiship with a motor repair company, and would like to know where he can get fairly detailed explanations of tests such as PI-DA etc. thanks in anticipation
