This paper focuses on solar photovoltaic(PV) water pumping system the use of perturb and observation maximum power point tracking(MPPT) method. This total system is divided into two stages. In the first stage, an arrangement of PV modules is made which is a combination of number PV cells in series or parallel to extract the solar energy and convert into electricity. To maximize the power output of PV module, perturb and observation (P&O) MPPT technique has been used.
In its second stage, direct torque and flux control(DTFC) with space vector modulation(SVM) is used to control switching pulses of the voltage source inverter(VSI). The speed of induction motor drive is controlled by DTFC technique. The total system is developed in MATLAB and outputs are noticed.
Fig-1: Solar Water Pumping System
EXPECTED SIMULATION RESULTS:
Fig. 2. DC link voltage (output voltage of the boost converter)
Fig. 3. output waveform of IMD under no load
Fig. 4. Waveforms under loading condition
In this paper control methods which manage the flow rate of water supply of solar powered based water pumping systen using IMD is decorated. From the simulation results it can be concluded that this system has good work.
As per view of irrigation system , the SPV array has been operated under standard enviromental conditions. The system is operated on maximum power by using P&O MPPT algorithm. Water flow rate and stator current of motor is controlled by the speed PI controller.
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