I am looking to solve a 4th order polynomial in an Excel spread sheet. I am currently using an add-in function I found on the web however this add-in is password protected and the spread sheet that I created can not be shared with anyone with out this add in. I am looking to create a function...
Has any one had experience applying a VFD to a submersible motor?
My concern is two different submersible motor manufactures require starting current 3xFLA on a VFD service. I have many applications that I have applied VFD’s to centrifugal pump loads (variable torque) and I have never seen a...
I recently have run into an application for a 10hp single phase VFD service on a 3 phase variable torque loaded motor. On initial start up the drive tripped out on supply phase loss. This was due because the drive had an internal protection that tripped the drive with a DC ripple greater than...
