Investigation of energy storage batteries in stability enforcement of low inertia active distribution network

K. N. Bangash*, M. E. A. Farrag*, A. H. Osman

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

The inherent intermittency of renewable power generation poses one of the great challenges to the future smart grid.With incentives
and subsidies, the penetration level of small-scale renewable energy into power grids is sharply increasing worldwide. Battery
energy storage systems (BESS) are used to curtail the extra power during low demand times. These energy storage systems are
capable of absorbing and delivering real power to the grid. The increased penetration level of inverter-based distributed generation
(DG) reduces the inertia of the grid and thus affects the transient stability of the network. This paper discusses and investigates the
impact of BESS on distribution networks’ stability with high penetration levels of inverter based DG. The obtained results show that
proper charging and discharging schemes of the BESS can enhance the transient stability of the network. Fast switching between
charging and discharging mode would be helpful during transient fault disturbance to keep the system in a balanced condition.
Original languageEnglish
Article number1
Number of pages12
JournalTechnology and Economics of Smart Grids and Sustainable Energy
Volume4
Early online date2 Jan 2019
DOIs
Publication statusPublished - Dec 2019

Keywords

  • Energy storage battery
  • Low inertia distribution network
  • Renewable distributed generation
  • Transient stability

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