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master's thesis
Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija
Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2022. urn:nbn:hr:179:580727
Višnjić, Vice
University of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
Department of Power Engineering

Institutional repository: Repository of the Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture

Cite this document

Višnjić, V. (2022). Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija (Master's thesis). Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:179:580727

Višnjić, Vice. "Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija." Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2022. https://urn.nsk.hr/urn:nbn:hr:179:580727

Višnjić, Vice. "Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija." Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2022. https://urn.nsk.hr/urn:nbn:hr:179:580727

Višnjić, V. (2022). 'Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija', Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, accessed 28 March 2025, https://urn.nsk.hr/urn:nbn:hr:179:580727

Višnjić V. Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija [Master's thesis]. Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture; 2022 [cited 2025 March 28] Available at: https://urn.nsk.hr/urn:nbn:hr:179:580727

V. Višnjić, "Eksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija", Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, 2022. Available at: https://urn.nsk.hr/urn:nbn:hr:179:580727

Metadata
TitleEksperimentalno određivanje parametara i karakteristika napunjenosti olovno-kiselinskih baterija
Title (english)Experimental determination of lead-acid batteries parameters and charge characteristics
AuthorVice Višnjić
MentorMateo Bašić https://orcid.org/0000-0003-3987-3792 (mentor)
GranterUniversity of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
(Department of Power Engineering)
Split
Defense date and country2022-09-22, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Power Engineering
Abstract
U ovom diplomskom radu opisan je princip rada olovno-kiselinske baterije te pripadajuće osnovne definicije i značajke. Predstavljena je podjela matematičkih modela baterije te su dodatno pojašnjeni modeli baterije temeljeni na nadomjesnom strujnom krugu. Nadalje, izvršeni su pokusi punjenja i pražnjenja baterija te su, na temelju provedenih pokusa, određene karakteristike ovisnosti SOC-a baterija o naponu praznog hoda. Ove karakteristike su određene eksperimentalno u rasponu SOC-a 30 % - 100 %... More i to s korakom 10 %. Nakon toga su određeni parametri olovno-kiselinskih baterija za različite pripadajuće matematičke modele temeljene na nadomjesnom strujnom krugu, koji su dostupni iz literature. Za potrebe određivanja parametara modela snimljeni su naponi baterija tijekom izvođenja pokusa, kojima je obuhvaćen prazni hod baterije, pražnjenje, punjenje i odmor nakon pražnjenja i punjenja da bi se snimila dinamika baterije za sve tipične režime rada. Ovako zahtjevni i dugotrajni pokusi su potrebni da bi se izračunali točni iznosi parametara, a model imao zadovoljavajuće performanse. Eksperimentalna ispitivanja provedena su na dvije nove i jednoj starijoj bateriji, pri čemu su novije baterije bile iz iste proizvodne serije dok je starija baterija bila iz različite proizvodne serije. Konačno, na temelju određenih parametara i karakteristika baterija, u programskom paketu MATLAB-Simulink su izrađeni pripadajući simulacijski modeli, pri čemu je kao ulazna varijabla korištena struja izmjerena tijekom eksperimentalnih pokusa radi bolje usporedbe simuliranog napona sa stvarnim. Za usporedbu točnosti razmatranih modela korišten je integral apsolutne pogreške između simuliranog i stvarnog napona. U zadnjem poglavlju su analizirani rezultati različitih modela baterije s točno izračunatim iznosima parametrima modela na različitim postotcima SOC-a. Na osnovu te analize izabran je najtočniji model te su za njega dodatno analizirani rezultati s aproksimiranim iznosima parametara. Less
Abstract (english)
This thesis describes the working principle of the lead-acid battery and the associated basic definitions and features. The division of the mathematical battery models is presented, and the battery models based on the equivalent circuit are explained more thoroughly. Furthermore, battery charging and discharging tests were carried out and, on the basis of the conducted tests, the characteristics describing the dependence of the SOC on the battery open-circuit voltage were determined. These... More were determined experimentally in the SOC range 30% - 100% with a step of 10%. Then, the parameters of the lead-acid batteries were determined for different equivalent-circuit-based mathematical models, which are available from the literature. For the purposes of determining the model parameters, the battery terminal voltage was recorded during the experiments, which included open-circuit operation, battery discharging, battery charging, and battery relaxation after discharge and charge to record the dynamics of the battery for all typical operating modes. Such demanding and long-term experiments are necessary in order to calculate the accurate parameters’ values and for the model to have satisfactory performance. Experimental tests were carried out on two new and one older battery, where the newer batteries were from the same production series, while the older battery was from a different production series. Finally, based on the determined parameters and characteristics of the batteries, corresponding simulation models were created in the MATLAB-Simulink environment, where the current measured during the experimental tests was used as an input variable for a better comparison of the simulated voltage with the actual one. To compare the accuracy of the considered models, the integral of the absolute error between the simulated and actual voltage was used. In the last chapter, the results of different battery models with accurately calculated parameter values, obtained at different SOC levels, are analyzed. Based on this analysis, the most accurate model was chosen, and for that model, the results with approximate parameter values were additionally analyzed. Less
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:179:580727
Study programmeTitle: Electrical Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka elektrotehnike (magistar/magistra inženjer/inženjerka elektrotehnike)
Type of resourceText
File originBorn digital
Access conditionsAccess restricted to authenticated users
Terms of useLicence In copyright icon
Created on2023-10-04 10:43:22
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