Comparison of centralised and distributed battery energy storage systems in LV distribution networks on operational optimisation and financial benefits

Zhi Qiao, Jin Yang

Research output: Contribution to journalArticle

Abstract

The integration of renewable energy sources and plug-in electric vehicles (PEVs) into the existing low-voltage (LV) distribution network at a high penetration level can cause reverse power flow, increased overall energy demand, network congestion, voltage rise/dip, transformer overloading and other operational issues. In this study, these potentially negative impacts caused by increasing penetration of distributed energy resources and PEVs are stochastically quantified based on a real practical 400 V distribution network as a case study. Battery energy storage (BES) is known to be a promising method for peak shaving and to provide network ancillary services. Two types of BES implementations aiming at distinctive charging and discharging targets without communication infrastructure or control centre are proposed and simulated. Optimisation results and potential financial profit of these two BES systems are compared and discussed in detail.
Original languageEnglish
Pages (from-to)1671-1675
JournalThe Journal of Engineering
Volume2017
Issue number13
DOIs
Publication statusPublished - 19 Oct 2017

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Electric power distribution
Energy storage
Electric potential
Energy resources
Profitability
Communication
Plug-in electric vehicles

Bibliographical note

This is an open access article published by the IET under the Creative Commons
Attribution License (http://creativecommons.org/licenses/by/3.0/)

Cite this

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Comparison of centralised and distributed battery energy storage systems in LV distribution networks on operational optimisation and financial benefits. / Qiao, Zhi; Yang, Jin.

In: The Journal of Engineering , Vol. 2017, No. 13, 19.10.2017, p. 1671-1675.

Research output: Contribution to journalArticle

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