This solar inverter with MPPT VF drive will give maximum torque even at minimum sunlight • There is no need of any battery, directly connect the panel to the inverter and the output of the inverter can be connected to a three phase motor. • The DSP will track at which point the maximum power can be extracted from the panel by varying the PWM and modulation frequency so the motor will run always extracting the maximum power from the panel and at a constant torque for the wide range of intensity of sunlight - morning till evening. • This will give 20 – 30 % extra energy which results in pumping 25% more water compared with the conventional three phase inverter + three phase pump or DC motor based pump.