It’s rather ambitious but [Dane] of Transistor-Man has designed and built a working submersible 3-phase electric thruster — and he’s released the plans online for all to share! He decided ...

Three electric submersible pumps, including two sludge/trash pumps ... The pumps feature rotation and phase failure protection, a motor covering a wide range of voltages, a chrome clog-free impeller, ...

Comet-ME has developed a solar-powered submersible borehole piston pump for off-grid communities ... “At the heart of the SMPP is a three-phase tubular linear BLDC [brushless DC electric ...