Author: Frank Taaning-Grundholm For several years now pump manufacturers have been working hard to engineer more efficient pumps and adding high…
Author: Frank Taaning-Grundholm, Vice President, Global HVACR Sales, ABB Unlike the musical group Right Said Fred, the pump industry has a hard…
Author: Frank Taaning-Grundholm, Global Sales Director, Danfoss There are many stories about bearing current damage by variable frequency drives (VFD) due to…
A colleague of mine, Peter de Place Rimmen, read my previous blog post on product reliability and while there's nothing…
In several discussions I’ve had with customers over the years, the topic of expected Lifetime has come up. The concern…
There is a lot of discussion in the pumping industry about the reliability of sensorless pump control. While controlling pumps…
We all know that knowledge is the future gold and that educating ourselves is a life time commitment. At the…
At almost any water or wastewater plant you will see installations where there are several pumps installed outdoors. In the…
When applying variable speed control to deepwell submersible pumps, there are some unique concerns that need to be taken into…
A concern often ignored in the specification of variable speed drives is the heat dissipation. The panel builder does care,…