Welcome aboard Freqdrive.
Humm, It's ironic you have experince with Freq Drives. I have a quetion which came up today.
We have a client who has been having problems with some motor winding insulation breaking down pre-maturly connected to VFD's.
Any suggestions what to look for?
PS. they are exhaust fans, 50 or 75 HP @ 575 Volt, running at about 40 to 44Hz.
thanks
