What are your difference between your AC and DC solar pump

our solar pump can be divided into two kinds, one is with induction brush motor, the other is with permanent magnet synchronous brushless motor. The DC former type is with cheap price and can be operated by solar panel directly. All the material for the latter is the best with best quality and MPPT controller and can be operated by solar panel directly. The AC solar pump should be operated by solar panel under inverter.