Energy Efficient Three-Phase Utility Interactive Residential Microgrid with Mode Transfer Capabilities at Weak Grid Conditions

Shailendra Kumar, Bhim Singh, Bikash C. Pal, Lie Xu, Ahmed Al-Durra

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

This article presents an energy efficient autonomous grid-synchronized photovoltaic (PV) array battery energy storage (BES) based microgrid with power quality improving capabilities under weak grid conditions. The microgrid is developed to supply consumer loads even at disappearance of the weak grid. The BES is not only beneficial on daily energy saving but it is also sized to furnish smoothening facilities to the PV-BES microgrid. A pseudolinear synchronization scheme is used, which is based on extraction of fundamental positive sequence components from the polluted grid voltages. The islanded controller furnishes reliability by maintaining the voltage and frequency and continuous power to the consumer load. The multivariance generalized adaptive controller is proposed to control the microgrid and to improve the power quality aspects. The effectiveness of microgrid is demonstrated experimentally with estimation of phase and frequency at grid synchronization and desynchronization with polluted grid conditions.

Original languageBritish English
Article number8815892
Pages (from-to)7082-7091
Number of pages10
JournalIEEE Transactions on Industry Applications
Volume55
Issue number6
DOIs
StatePublished - 1 Nov 2019

Keywords

  • Battery energy storage (BES)
  • microgrid
  • photovoltaic (PV) array
  • power quality
  • utility synchronization

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