Abstract
Due to the introduction of the feed-in tariff policy mechanism in many countries, the grid-connected Photovoltaic (PV) generation system becomes new attractions as it encourages the energy producers to generate and supplies electricity to the grid. The characteristic of the inverter’s voltage waveform, its amplitude, phase-angle and phase sequence are vital parameters for effective PV-grid synchronization. This paper presents a double stage converter, DC-DC boost conversion included to maximum power point tracking (MPPT) is achieved. Second stage DC-AC conversion is achieved using voltage source inverter (VSI). Grid connected synchronization is achieved by using synchronous reference (SRF) base phase locked loop (PLL). A details design and model for each section of the proposed system are also presented. The result shows that the implementation of synchronous reference frame (SRF) with PLL able to good achieved.
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