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#1
Start by
bill wang
01-18-2014 05:34 PM

Anyone making DC submersible pump motors?

Anyone making DC submersible pump motors? 500W, 700W,1100W,1500W,2200W,3000W Capacity.Please contact,thanks
01-18-2014 08:00 PM
Top #2
bill wang
01-18-2014 08:00 PM
DC brushless motor
01-18-2014 10:47 PM
Top #3
Kurt Price
01-18-2014 10:47 PM
SunPumps in Safford, AZ. Or Lorentz.
01-19-2014 01:39 AM
Top #4
Larry Reisinger, P.E.
01-19-2014 01:39 AM
As Bill suggested, nobody would make a conventional brush-type DC motor for a high-reliability pump, though there are some very small ones for, for example, marine bilge pumps. The way to do that is get an inverter duty rated 3-phase AC motor and an inverter (which is what a "DC brushless motor" really is).

In fact, it's not uncommon in that power range to drive 3-phase motors from single-phase AC by using a derated VFD, if the point is to operate off of a single-phase supply. I've done this before quite successfully.
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