Active Charge Balancing Strategy Using the State of Charge Estimation Technique for a PV-Battery Hybrid System

Md Ohirul, Qays and Buswig, Yonis.M.Yonis and Md Liton, Hossain and Ahmed, Abu-Siada (2020) Active Charge Balancing Strategy Using the State of Charge Estimation Technique for a PV-Battery Hybrid System. Energies, 13 (13). pp. 1-17. ISSN 1996-1073

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Official URL: https://www.mdpi.com/1996-1073/13/13/3434

Abstract

: Charging a group of series-connected batteries of a PV-battery hybrid system exhibits an imbalance issue. Such imbalance has severe consequences on the battery activation function and the maintenance cost of the entire system. Therefore, this paper proposes an active battery balancing technique for a PV-battery integrated system to improve its performance and lifespan. Battery state of charge (SOC) estimation based on the backpropagation neural network (BPNN) technique is utilized to check the charge condition of the storage system. The developed battery management system (BMS) receives the SOC estimation of the individual batteries and issues control signal to the DC/DC Buck-boost converter to balance the charge status of the connected group of batteries. Simulation and experimental results using MATLAB-ATMega2560 interfacing system reveal the effectiveness of the proposed approach

Item Type: Article
Uncontrolled Keywords: active battery balancing; backpropagation neural network; DC/DC Buck-boost converter;PV-battery integrated system; state of charge estimation; unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Academic Faculties, Institutes and Centres > Faculty of Engineering
Depositing User: Yonis Buswig
Date Deposited: 20 Jul 2020 08:47
Last Modified: 20 Jul 2020 08:48
URI: http://ir.unimas.my/id/eprint/30572

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