1.3.7kw pump controller drive 3 phase AC pump 2.pump inverter used for irrigation 3.efficiency 98% ... system is composed of a solar array, a pump and a solar pumping inverter. Based on the ... realize the maximum power point tracking (MPPT). The pump, drive by 3-phase AC motor, can draw ... , different types of pump such as centrifugal pump, axial flow pump, mixed-flow pump or deep-well pump can be used. ...