KEMAL ALFARIDZI, MUHAMMAD (2024) ANALISIS PERBANDINGAN INTEGRATED PERFORMA BATERAI VRLA 20 Ah DENGAN BATERAI LITHIUM-ION 20 Ah PADA PHOTOVOLTAIC SYSTEM. S1 thesis, Fakultas Teknik Universitas Sultan Ageng Tirtayasa.
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Abstract
Analysis of Comparative Integrated Performance of 20 Ah VRLA Battery with 20 Ah Lithium-ion Battery in Photovoltaic Systems. This research compares the performance of a 20 Ah VRLA (Valve Ragulated Lead Acid) battery with a 20 Ah lithium-ion battery in a photovoltaic system, considering the importance of renewable energy to meet energy needs when fossil fuel reserves are running low. 87% of Indonesia has electricity and there are still 8.5 million people without access. Photovoltaics offer a solution, but they require an effective energy storage system. VRLA and lithium-ion batteries are the two main choices, each with advantages and disadvantages in terms of cost, energy density, and cycle life. This research aims to analyze the differences in performance, reliability and efficiency of the two types of batteries in the charging and discharging process. The method used involves measuring SOC (State of Charge) using current and voltage sensors, as well as a modified Coulomb Counting calculation method for accurate SOC estimation. The research results show that VRLA batteries experience a depreciation of 10% with an average charging value of 90603.9 A and discharging 85834.3 A, lithium-ion batteries have a longer cycle life and a lower DOD (Depth of Discharge) level of between 30% and 40%. The Coulomb Counting method shows the current decreases from 18000 mA to 4000 mA and the voltage decreases from 13.2 V to 11.0 V, indicating that lithium-ion batteries have higher efficiency and longer cycle life than VRLA, although VRLA shows stable performance under conditions certain. Keywords: Battery, VRLA, Lithium-ion, Photovoltaic, SOC
| Item Type: | Thesis (S1) | ||||||
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| Additional Information: | Analisis Perbandingan Integrated Performa Baterai VRLA 20 Ah dengan Baterai Lithium-ion 20 Ah pada Photovoltaic System. Penelitian ini membandingkan performa baterai VRLA (Valve Regulated Lead Acid) 20 Ah dengan baterai lithium-ion 20 Ah dalam sistem photovoltaic, mengingat pentingnya energi terbarukan untuk memenuhi kebutuhan energi saat cadangan bahan bakar fosil menipis. 87% wilayah Indonesia memiliki listrik masih ada 8,5 juta orang tanpa akses. Photovoltaic menawarkan solusi, tetapi photovoltaic membutuhkan sistem penyimpanan energi yang efektif. Baterai VRLA dan lithium-ion adalah dua pilihan utama, masing-masing kelebihan dan kekurangan dalam hal biaya, kepadatan energi, dan umur siklus. Penelitian ini bertujuan menganalisis perbedaan performa, keandalan, dan efisiensi kedua jenis baterai dalam proses pengisian dan pengosongan. Metode yang digunakan melibatkan pengukuran SOC (State of Charge) menggunakan sensor arus dan tegangan, serta metode perhitungan Coulomb Counting dimodifikasi untuk estimasi SOC yang akurat. Hasil penelitian menunjukkan bahwa baterai VRLA mengalami penyusutan 10% dengan nilai charging rata-rata 90603,9 A dan discharging 85834,3 A, baterai lithium-ion memiliki umur siklus lebih lama dan tingkat DOD (Depth of Disscharge) lebih rendah antara 30% dan 40%. Metode Coulomb Counting menunjukkan arus menurun dari 18000 mA menjadi 4000 mA dan tegangan turun dari 13,2 V menjadi 11,0 V, menunjukkan baterai lithium-ion memiliki efisiensi lebih tinggi dan siklus hidup lebih panjang dibandingkan VRLA, meskipun VRLA menunjukkan performa stabil dalam kondisi tertentu. Kata Kunci: Baterai, VRLA, Lithium-ion, Photovoltaic, SOC | ||||||
| Subjects: | T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | 03-Fakultas Teknik 03-Fakultas Teknik > 20201-Jurusan Teknik Elektro |
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| Depositing User: | Mr Muhammad Kemal Alfaridzi | ||||||
| Date Deposited: | 25 Sep 2024 08:48 | ||||||
| Last Modified: | 25 Sep 2024 08:48 | ||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/42424 |
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