Abstract
This paper presents a direct power control (DPC) of a grid connected three phase bidirectional ac-dc converter. The proper utilization of power generated from solar PV and its integration with the grid is essential for uninterrupted electrification. The solar generated power is dc in nature and is converted to ac using inverter for grid connection. A dc-dc boost converter is used for interfacing PV panel with the dc link and Perturb and Observe technique is implemented for tracking the maximum power from solar. The direct power control technique controls the instantaneous active and reactive power by selecting a suitable switching state from the switching table. The maximum power extracted from the solar is injected to the loads or to the grid depending on the requirement of the ac and dc loads. The converter allows the power flow in both direction and the phase between the grid voltage and current identifies the power flow direction.
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