Implementation of Three Phase Split Source Inverter (SSI) using SIC MOSFETs and VFD for Solar Irrigation Application

The rapid growth and the large set up towards the use of renewable energy resources leads to an increase in research and studies. In this research study the introduction of new technologies with the purpose of increasing the efficiency of the solar powered water pump for agriculture usage and making it practical. The design and practical implementation of STM32F334R8T6 microcontroller board a based Space Vector Pulse Width Modulation (SVPWM) for a three-phase inverter to control the speed of a three-phase Induction Motor (IM) was accomplished. The control is achieved via varying the stator voltage and varying frequency with V/F control method. The inverter is employed a three phase Split Source Inverter (SSI) to generate the appropriate PWM signals for the inverter switches. The software program was developed using C language. Silicon Carbide metal–oxide–semiconductor field-effect transistor (SIC MOSFETs) was used as switches of transistors’ gates control, and SVPWM techniques used to control the speed of a three-phase Induction Motor (IM), using STM32F334R8T6 microcontroller , A three-phase Induction Motor (IM) capacity of 0.5 hp was operated on the inverter that was implemented and readings of the system’s performance practically operated were recorded, including measuring the motor speed for different conditions during the change of solar radiation during the day. The designed system implemented practically and performed well even with partial cloudy weather the system was capable of running the water pump with the obtained solar power and the water flow rate varies during the day depending on amount of solar radiation. Also, MATLAB/SIMULINK software was used for simulation and verification of the practically built system and comparison between experimental and simulation results have been inducted.