Design of Real Time Battery Management Unit for PV-Hybrid System by Application of Coulomb Counting Method

DOI: 10.4236/epe.2014.67017   PDF   HTML   XML   4,004 Downloads   5,090 Views   Citations


This paper presents a real-time battery management unit designed by applying the Coulomb counting method and intended for use in an integrated renewable energy system for PV-Hybrid power supply. Battery management is required to stabilize hybrid systems and extend battery lifetimes. The battery management unit is divided into three main stages. Firstly, analysis of the basic components of the battery type used in the system is considered. Secondly, the state of charge (SOC) estimation method and the deterioration factor of the battery are analyzed. Finally, the overall battery management system, including a computer-based measurement and control unit, is constructed. The control system displays real-time information through LabVIEW 8.5 by estimating the state of charge through various measurements. The system will issue alerts when malfunctions are detected, and the operator can analyze and react to the system in real time to stabilize the system and extend the battery lifetime.

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Ausswamaykin, A. and Plangklang, B. (2014) Design of Real Time Battery Management Unit for PV-Hybrid System by Application of Coulomb Counting Method. Energy and Power Engineering, 6, 186-193. doi: 10.4236/epe.2014.67017.

Conflicts of Interest

The authors declare no conflicts of interest.


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