Lithium-ion Battery Parameter Analysis Using Spectrogram

Kasim, Rizanaliah and Abdullah, Abdul Rahim and Selamat, Nur Asmiza and Bahari, Norhazilina and Ramli, Mohd zulkifli (2015) Lithium-ion Battery Parameter Analysis Using Spectrogram. Australian Journal of Basic and Applied Sciences, 9 (12). pp. 76-80. ISSN 19918178

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Nowadays, energy storage improves the reliability and efficiency of electric utility system. The most common device used for storing electrical energy is battery. Obtaining an accurate data of battery parameter is important because it will be avoid unexpected system interruption and prevent permanent damage to the internal structure of the batteries. The objective of this study is to apply time-frequency distribution (TFD) which is spectrogram technique in analysis of voltage charging and discharging signal for lithium-ion battery. Spectrogram represents the battery signal in time frequency representation (TFR) which is appropriate to analyze the signal before displaying the instantaneous RMS voltage (Vrms), direct current voltage (VDC) and alternating current voltage (VAC) parameter value. This paper focuses on lithium-ion (Li-ion) battery with nominal voltage of 6 and 12V and various storage capacities from 5 to 50Ah. The battery model is implemented in MATLAB/SIMULINK. From the results, the Li-ion battery parameter could be identified using spectrogram.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Power Electronics & Drives
Depositing User: Dr Abdul Rahim Abdullah
Date Deposited: 08 Jul 2015 00:39
Last Modified: 08 Jul 2015 00:39
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