After the mechanical problems were sorted mechanically, we never had a single trip from the VFD as was happening before the mechanical problems were fixed. After checking and trying all the ideas i got from all your suggestions, I could confidently challenge the mechanical engineers knowing very...
Thank you all for your input to my problem, the VFD is actually on the Feeder, not the crusher(my mistake).
I have attached the parameters from the VFD, the motor parameters are as they are set in the VFD parameters.
I made some modifications temporarily on the Acceleration time from 10s to...
I have a Power Flex 70 VFD which is controlling the speed of a crusher motor. We increase the speed or reduce it depending on the production demand. This speed is manually set in HZ between 30 to 42HZ. After the mechanical feeder was replaced, we started experiencing problems of under speeds and...