Abstract
AbstractPerformance of single-stage and two-stage PV fed V/F-controlled induction motor (IM) drive for irrigation applications are analyzed in this paper. The single-stage and two-stage configurations comprise a photovoltaic system and an inverter-fed motor-pump setup in common. The latter stage comprises an additional step-up converter, which is not present in the former stage. In a two-stage configuration, the step-up converter is used to pull out peak power from the PV system by power slope method and the V/F speed control technique is utilized to drive inverter fed IM. In single-stage configuration, the converter is not used to pull out peak power. MPPT control and speed control are fed to the inverter itself. The system employing single-stage and two-stage PV array fed V/F-controlled IMD is modeled and simulated in MATLAB at different insolation conditions.KeywordsPhoto Voltaic (PV) arrayStep-up converter3-ϕ VSIInduction motor (IM)Pump
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