Grid-Interactive Novel Resilient Control of Solar PV-Wind-Battery Storage Microgrid Under Distorted and Unbalanced Grid Voltages

Vijayakumar Gali, Prashant Kumar Jamwal, Nitin Gupta, B. Chitti Babu, Mohammad Jawid Ahmadi, Meghraj Sudhakar Morey

Research output: Contribution to journalArticlepeer-review

Abstract

Integrating solar photovoltaic (PV), wind, and battery storage (BS) systems into the grid introduces significant power quality (PQ) challenges. In particular, the intermittent nature of solar PV and wind energy systems (WES), combined with nonlinear loads, can lead to grid instability. As a result, maintaining a reliable and high-quality power supply to consumers becomes a substantial challenge. This article presents two novel solutions to address these challenges: the anti-windup mixed-order generalized integrator (AWMOGI) and the adaptive delay operation period filter (ADOPF). The AWMOGI effectively extracts fundamental components from distorted utility grid voltages, minimizing DC offset and reducing steady-state oscillations. Meanwhile, the ADOPF swiftly captures positive sequence voltage components by introducing a two-sampling-interval delay in the d-q coordinate system. The hierarchical-loop controller parameters are optimized using a customized Harris Hawks Optimization (HHO) algorithm, which enhances error reduction and facilitates rapid establishment of reference values for DC-link voltage loop control. An adaptive dynamic power management scheme also enables the microgrid (MG) to manage surplus power from MG sources, reducing stress on the BS and ensuring DC-link voltage stability. The experimental results demonstrate significant improvements in handling utility grid abnormalities, dynamic loads, and intermittent microgrid source operation. The experimental results show a zero DC-off set and steady-state errors, a fast computational time of 35e-5s, and the THD of grid currents of 3.16%, which complies with the IEEE 519 standards.
Original languageEnglish
Article number10854506
Pages (from-to)1-1
Number of pages1
JournalIEEE Transactions on Consumer Electronics
VolumePP
Issue number99
DOIs
Publication statusPublished - 2025

Keywords

  • Filters
  • Voltage control
  • Power harmonic filters
  • Harmonic analysis
  • Power system stability
  • Microgrids
  • Steady-state
  • Delays
  • Transient analysis
  • Synchronization

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