Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance

Vanadium Redox Flow Battery (V-RFB) is a type of rechargeable flow battery that employs vanadium ions in different oxidation states. It undergoes oxidation and reduction reaction during discharge and charge process at anode and cathode. Presently, there are lack of publication studies on electrical...

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Main Author:	Siti Fadhilah, Mohamed Ibrahim
Format:	Thesis
Language:	English
Published:	2019
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://umpir.ump.edu.my/id/eprint/30034/1/Kalman%20Filter%20parameter%20estimation%20for%20vanadium%20redox%20flow%20battery%20%28V-RFB%29%20equivalent%20circuit.wm.pdf
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spelling	my-ump-ir.300342023-03-08T01:38:27Z Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance 2019-08 Siti Fadhilah, Mohamed Ibrahim TK Electrical engineering. Electronics Nuclear engineering Vanadium Redox Flow Battery (V-RFB) is a type of rechargeable flow battery that employs vanadium ions in different oxidation states. It undergoes oxidation and reduction reaction during discharge and charge process at anode and cathode. Presently, there are lack of publication studies on electrical circuit model for V-RFB. Electrochemical model is commonly use to represent battery due to its detailing in electrochemical process, however, the model is not suitable to identify electrical behavior of V-RFB. Parameter estimation on battery model is a process to fit an equivalent circuit into the battery. This thesis presents equivalent electrical circuit consists of actual and approximate circuit for V-RFB. The aim of this project is to propose equivalent electrical circuit for V-RFB that represents excellent adaptableness to any circuitry analysis and design. Higher number of Resistor-Capacitor (RC) branches can increase the accuracy and representation within the battery. However, it increase the complexity of the model and decrease the reduction of error speed. Actual circuit consists of an open-circuit cell potential, two ResistorCapacitor (RC) branch, a series RC, internal resistance, and inductor. From the circuit, some of the parameters are lumped to construct approximate circuit consists of opencircuit cell potential, impedance of RC branches and internal resistance with inductor. Approximate circuit is built in order to present less complex result in terms of estimation of parameter. As less parameter is estimate, it can save time computationally. Extended Kalman Filter (EKF) is used for parameter estimation for both circuit. Actual and approximate circuit are derived accordingly. From simulation result through recursive EKF algorithm of the derivation for both circuit shows each parameters smoothly approaching steady state with 0.6% and 2.0% of error, respectively. Both cell potential experiment and EKF-based estimation overlaps with minor differences for actual and approximate circuit. So, it proven that both circuit are adaptable for V-RFB. 2019-08 Thesis http://umpir.ump.edu.my/id/eprint/30034/ http://umpir.ump.edu.my/id/eprint/30034/1/Kalman%20Filter%20parameter%20estimation%20for%20vanadium%20redox%20flow%20battery%20%28V-RFB%29%20equivalent%20circuit.wm.pdf pdf en public masters Universiti Malaysia Pahang Faculty of Electrical & Electronics Engineering Mohd Rusllim, Mohamed
institution	Universiti Malaysia Pahang Al-Sultan Abdullah
collection	UMPSA Institutional Repository
language	English
advisor	Mohd Rusllim, Mohamed
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Siti Fadhilah, Mohamed Ibrahim Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance
description	Vanadium Redox Flow Battery (V-RFB) is a type of rechargeable flow battery that employs vanadium ions in different oxidation states. It undergoes oxidation and reduction reaction during discharge and charge process at anode and cathode. Presently, there are lack of publication studies on electrical circuit model for V-RFB. Electrochemical model is commonly use to represent battery due to its detailing in electrochemical process, however, the model is not suitable to identify electrical behavior of V-RFB. Parameter estimation on battery model is a process to fit an equivalent circuit into the battery. This thesis presents equivalent electrical circuit consists of actual and approximate circuit for V-RFB. The aim of this project is to propose equivalent electrical circuit for V-RFB that represents excellent adaptableness to any circuitry analysis and design. Higher number of Resistor-Capacitor (RC) branches can increase the accuracy and representation within the battery. However, it increase the complexity of the model and decrease the reduction of error speed. Actual circuit consists of an open-circuit cell potential, two ResistorCapacitor (RC) branch, a series RC, internal resistance, and inductor. From the circuit, some of the parameters are lumped to construct approximate circuit consists of opencircuit cell potential, impedance of RC branches and internal resistance with inductor. Approximate circuit is built in order to present less complex result in terms of estimation of parameter. As less parameter is estimate, it can save time computationally. Extended Kalman Filter (EKF) is used for parameter estimation for both circuit. Actual and approximate circuit are derived accordingly. From simulation result through recursive EKF algorithm of the derivation for both circuit shows each parameters smoothly approaching steady state with 0.6% and 2.0% of error, respectively. Both cell potential experiment and EKF-based estimation overlaps with minor differences for actual and approximate circuit. So, it proven that both circuit are adaptable for V-RFB.
format	Thesis
qualification_level	Master's degree
author	Siti Fadhilah, Mohamed Ibrahim
author_facet	Siti Fadhilah, Mohamed Ibrahim
author_sort	Siti Fadhilah, Mohamed Ibrahim
title	Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance
title_short	Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance
title_full	Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance
title_fullStr	Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance
title_full_unstemmed	Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance
title_sort	kalman filter parameter estimation for vanadium redox flow battery (v-rfb) equivalent circuit with parasitic inductance
granting_institution	Universiti Malaysia Pahang
granting_department	Faculty of Electrical & Electronics Engineering
publishDate	2019
url	http://umpir.ump.edu.my/id/eprint/30034/1/Kalman%20Filter%20parameter%20estimation%20for%20vanadium%20redox%20flow%20battery%20%28V-RFB%29%20equivalent%20circuit.wm.pdf
_version_	1783732133306564608

Kalman Filter parameter estimation for Vanadium Redox Flow Battery (V-RFB) equivalent circuit with parasitic inductance

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