Abstract
In this paper an adaptive least mean absolute third (LMAT) control for a 3-phase double stage solar photovoltaic (SPV) grid integrated system to improvise the quality of power. It consists of a DC-DC boost converter, a ripple filter, a VSC (Voltage source converter) and three phase loads. The VSC is coupled at DC-link for feeding SPV power into the utility grid with harmonics elimination of load currents and grid currents balancing. Here, the LMAT adaptive control technique is used to evaluate the fundamental weight of load current to provide the fast convergence. Here, for the solar PV generation, a feed-forward term is used to enhance the dynamic performance. Therefore, this adaptive LMAT control technique is tuned by a simple way. The harmonics in grid currents are shown under the IEEE-519 std.
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