1.3.7kw pump controller drive 3 phase AC pump 2.pump inverter used for irrigation 3. ... and converts the DC produced by solar array into AC to drive the pump, and adjust the output frequency ... point tracking (MPPT). The pump, drive by 3-phase AC motor, can draw water from the deep wells or ... types of pump such as centrifugal pump, axial flow pump, mixed-flow pump or deep-well pump can be used. ...