eCite Digital Repository

Grid impacts of uncoordinated fast charging of electric ferry


Roy, RB and Alahakoon, S and Arachchillage, SJ, Grid impacts of uncoordinated fast charging of electric ferry, Batteries, 7, (1) pp. 1-18. ISSN 2313-0105 (2021) [Refereed Article]


Copyright Statement

Copyright 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://

DOI: doi:10.3390/batteries7010013


The battery energy storage system (BESS) is an indispensable part of an electric fleet (EF) which needs to be charged by electricity from local grid when the fleet is in the dockyard. The uncoordinated fast charging of BESS in Grid to Ferry (G2F) mode imposes sudden increments of load in the power grid, which is analyzed by a simulated model of grid connected marine load. The probable impact on system stability is examined by MATLAB Simulink and Power World Simulator based models. According to simulation results for IEEE 5 bus system, voltage unbalance factors are 0.01% and 200% for all buses at fundamental and third harmonics frequencies, respectively. The total harmonic distortion (THD) at fundamental frequency becomes 0.16%, 0.16%, and 0.18%, respectively, for three cases. The transient, voltage reactive power (V-Q), and voltage real power (V-P) sensitivity analysis are performed for 7 bus system with load increment contingencies. According to simulation results, the V-Q sensitivity for the assigned contingency is increased by the addition of a shunt generator to the load bus with lowest bus voltage. In case of V-P sensitivity for the selected contingency, the load buses share power among them, and the nose point is attained at maximum shift of power with high V-Q sensitivity.

Item Details

Item Type:Refereed Article
Keywords:battery energy storage system, total harmonic distortion, V-P and V-Q sensitivity
Research Division:Engineering
Research Group:Electrical engineering
Research Field:Electrical energy storage
Objective Division:Information and Communication Services
Objective Group:Information services
Objective Field:Electronic information storage and retrieval services
UTAS Author:Arachchillage, SJ (Dr Shantha Jayasinghe Arachchillage)
ID Code:152060
Year Published:2021
Web of Science® Times Cited:1
Deposited By:Maritime and Logistics Management
Deposited On:2022-08-10
Last Modified:2022-09-05
Downloads:2 View Download Statistics

Repository Staff Only: item control page