Dear Mac, For a non-battery, PV-direct system, you will need to shop for an appropriate AC pump, and an AC pump controller, AKA "pump inverter". 3-phase is ideal for this because it's better for this variable-speed application. However, this power level, you probably will have to settle for 1-ph. There is only one controller I know that can handle 1-ph motors. But there are some limitations, so I suggest that you call the company:
http://www.enfusionenergy.com/ Home enfusionenergy.com Ask for Nikola. He is very familiar with applications like this, and very helpful (and funny). Yours! Windy > > From: Mac Lewis <[email protected] <mailto:[email protected]>> > Subject: [RE-wrenches] Solar pumping stormwater > Date: April 25, 2024 at 7:03:10 AM MDT > To: RE-wrenches <[email protected] > <mailto:[email protected]>> > > > Hello Wrenches, > > Im looking for recommendations on solar pumps for a stormwater overflow > application. The water will be cruddy so the pump would need to be able to > tolerate that, although we will do our best to mitigate that. I'd like to be > able to pump about 20,000 gallons per day or so at a head of 20'. My > preference is no batteries but we could design in batteries. > > Any input is appreciated! > > -- > > > > Mac Lewis
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