PHOTO VOLTAIC PEAK-POWER TRACKER USING A SQUARE-WAVE INVERTER
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Abstract
Energy conversion from PV arrays received a lot of attention, especially in outer-space power system applications. Different methods of peak-power tracking have been proposed to capture the maximum power at different levels of insulation. Many peak-power trackers are implemented with a microprocessor or microcontroller, by using different control strategies. Water pumping from a PV array is a valid option to pollution-generating diesel and human-powered water pumps. However, with the battery module, the battery needs to be checked regularly. In the system with a battery, the peak power tracking can be handled by varying the duty ratio of a dc-dc converter, which is generally installed between the battery and the PV array. But in this paper we are not using battery. We are generating the power from PV module and by using MPPT feeding power to the induction by an inverter.
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