Studi tentang Prinsip Active Balancing pada Rangkaian Sistem Manajemen Baterai Menggunakan ETA3000

Rizqulloh, Tengku Rafly (2023) Studi tentang Prinsip Active Balancing pada Rangkaian Sistem Manajemen Baterai Menggunakan ETA3000. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Baterai tersusun atas beberapa sel baterai yang terhubung secara seri dan paralel. Sel baterai penyusun tersebut tidak selalu memiliki tegangan dan SOC (state of charge) yang sama, sehingga setiap sel baterai tidak terisi maupun terkosongkan secara seragam. Salah satu atau beberapa sel dapat terisi atau terkosongkan lebih banyak dibandingkan sel lainnya saat penggunaan. Hal ini dapat mempercepat kerusakan baterai dan menyebabkan terbakarnya baterai. Untuk menyeimbangkan tegangan setiap sel, diperlukan rangkaian Sistem Manajemen Baterai yang dapat membuang muatan sel-sel yang berlebih sebagai panas (passive balancing) atau mendistribusikan kelebihan muatan sel ke sel lain yang memiliki muatan lebih rendah (active balancing). Pada penelitian ini, telah dilakukan implementasi prinsip active balancing menggunakan topologi induktif, dimana sepasang saklar menghubungkan sebuah sel baterai ke induktor hingga arus induktor maksimum tercapai, kemudian memindahkan hubungan ke sel di sebelahnya sehingga arus induktor mengalir ke baterai tersebut. Hal ini dilakukan pada setiap dua sel baterai secara bersamaan, dan seiring waktu dapat menurunkan perbedaan tegangan setiap sel hingga mencapai 100 mV.
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Battery packs consist of several battery cells which can be connected in series or parallel. Those battery cells don’t always have the same voltage or SOC (state of charge) relative to each other. One or more cells can become overcharged or overdischarged than other cells during usage. This can hasten battery damage and cause the battery to catch fire. To balance every cell voltage, a battery management system is needed that can either dissipate excess charge from every cell as heat (passive balancing) or distribute excess charge of one cell to another cell which has a lover charge (active balancing). In this research, an active balancing principle is implemented using the inductive topology, where a pair of switches connect a battery cell to an inductor until a maximum inductor current is reached, and then moves the connection to the adjacent cell so the inductor current flows to that battery. This is done for every two cells of the battery pack, and over time it can reduce voltage difference of all battery cells until it reaches 100 mV.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Battery Management System, Active Balancing, Baterai Li-Ion
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK351 Electric measurements. T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452 Electric apparatus and materials T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL220 Electric vehicles and their batteries, etc.
Divisions:	Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Electrical Engineering > 20201-(S1) Undergraduate Thesis
Depositing User:	Tengku Rafly Rizqulloh
Date Deposited:	02 Feb 2023 10:11
Last Modified:	02 Feb 2023 10:11
URI:	http://repository.its.ac.id/id/eprint/96028

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