Abstract
A solar PV-BES-based microgrid, which operates seamlessly from an islanded mode to the grid-connected mode and vice versa, is presented. The mode transfer from an islanded mode to the grid-connected mode is performed without any transient. A second-order adaptive filter-based control technique is utilized in the grid-connected mode to operate the load-connected voltage source converter. It is utilized to estimate the power frequency component of the load current, which is utilized in power quality improvement of the grid. A bidirectional converter is controlled to minimize the battery current transients present during mode change from the grid-connected mode to an islanded mode and vice versa. The system performance is validated on a laboratory prototype under changing solar irradiance, load switching and mode transfer.
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Appendix
Appendix
Solar PV array: Pmp = 2.35 kW, Vmp = 310 V, Imp = 7.584 A, grid voltage(vs) = 220 V, Vm = 250 V, Cf = 5μF, Rf = 5Ω, amplitude checking: 280 V < Vsp < 343 V, angle error checking: |θerr|< 50, battery: 240 V, 41 Ah, interfacing inductor: Li = 4mH, f = 50 Hz.
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Gupta, T.N., Singh, B. & Naqvi, S.B.Q. Multi-objective Control of Solar PV-BES Microgrid. J. Inst. Eng. India Ser. B 103, 153–161 (2022). https://doi.org/10.1007/s40031-021-00598-2
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DOI: https://doi.org/10.1007/s40031-021-00598-2