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A Review on Grid Interconnection of Renewable Energy Sources at the Distribution Level with Power Quality Improvement Features

VIJAY BHURIA, Anand Kaurwar

Abstract


Renewable energy sources (RES) are as a rule progressively associated in appropriation frameworks using power electronic converters. This review paper displays a novel control procedure for accomplishing greatest advantages from these matrix interfacing inverters at the point when introduced in 3-phase 4-wire dissemination frameworks. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. The inverter can thus be utilized as: 1) power converter to inject power generated from RES to the grid, and 2) shunt APF to compensate current unbalance, load current harmonics, load reactive power demand and load neutral current. These capacities might be refined either separately or at the same time. With such a control, the mix of matrix interfacing inverter and the 3-phase 4-wire linear/non-linear unbalanced load at point of common coupling appears as balanced linear load to the grid. This new control idea is exhibited with extensive MATLAB/Simulink simulation Studies and validated through digital signal processor-based laboratory experimental results.

Keywords: active power filters (APF), distribution system, distributed generation (DG), grid interconnection, grid interfacing inverter, renewable energy, power quality (PQ), power injection, THD

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References


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DOI: https://doi.org/10.37628/ijepst.v2i1.231

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