Published in USCID newsletter, February 1, 2010.
There are numerous reasons to consider using a VFD (variable frequency drive) controller with pumps in irrigation and drainage.These include: 1
1. Proper matching of the pump characteristics with the system. Reasonable engineers and salespersons will almost always overdesign pumps. It is very simple – if the pump is too small, there will be complaints. If, on the other hand, the pump delivers a bit more pressure than needed, there is rarely a complaint. Reasons to overdesign include:
Bioresource and Agricultural Engineering
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