Battery Management System (BMS) Considering State of Charge (SOC) With Integration of Open Circuit Voltage and Coulomb Counting Methods Ups Sinyal Telecommunication Equipment Room (STER)

Penulis

  • Santi Triwijaya Politeknik Perkeretaapian Indonesia Madiun , Politeknik Perkeretaapian Indonesia Madiun
  • Andri Pradipta Politeknik Perkeretaapian Indonesia Madiun , Politeknik Perkeretaapian Indonesia Madiun
  • Yuli Prasetyo Politeknik Negeri Madiun image/svg+xml
  • Trisna Wati Institut Teknologi Aditama , Institut Teknologi Aditama

DOI:

https://doi.org/10.37367/jpi.v9i1.416

Kata Kunci:

sistem manajemen baterai, Integrasi, Coulomb counting, Open Circuit Voltage

Abstrak

Parameter tegangan, arus, dan suhu pada UPS belum termonitor secara real-time. Jadi, SOC baterai tidak dapat diketahui secara langsung. Melalui real-time monitoring kondisi baterai selalu terjaga kualitasnya. Baterai merupak sumber energi utama dalam relai pada sistem persinyalan dan telekomulikasi. Sehingga perku dilakukan kajian untuk memaksimalkan masa pakai dari baterai. Penelitian ini menggunakan integrasi algoritma Coulomb counting dengan estimasi Open Circuit Voltage dalam memperhitungkan SOC untuk manajemen energi baterai Dari eksperimen yang dilakukan yaitu pengisian dan pengosongan baterai, serta integrasi algoritma Coulomb counting dan Open Circuit Voltage akan diketahui tegangan, arus, dan waktu pengisian serta pengosongan baterai. Dari eksperimen tersebut, algoritma yang diusulkan dapat meningkatkan akurasi estimasi SOC. BMS dilakukan dengan cut off pengosongan baterai sesuai dengan batas minimum tegangan baterai. Berdasarkan metode Coulomb Counting, perubahan nilai arus yang keluar dari baterai pada proses pengosongan menjadi parameter yang paling penting dalam estimasi SOC. Arus yang keluar ketika baterai 100 % sampai 40% terlihat cukup stabil dengan sedikit penurunan. Namun setelah SOC mencapai 40%, arus turun dengan signifikan. Dalam kondisi charging, besar SOC baterai terukur linear terhadap perubahan waktu. SOC baterai mengalami perubahan kenaikan nilai saat charging dari 0 sampai 100% linear dengan lama waktu charging. Ketika kondisi charging besar nilai arus pengisian terukur secara konsisten nilainya berbanding lurus dengan laju penambahan SOC. Kapasitas SOC baterai juga berbanding lurus dengan nilai tegangan terukur baterai. Saat SOC 100% baterai mencapai tegangan maksimum yaitu 27.01v sesaat setelah charging dan mencapai tegangan nominal 24.0 v tegangan terukur 2 (dua) jam setelah charging.

Unduhan

Data unduhan tidak tersedia.

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Diterbitkan

2025-04-30

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Artikel

Cara Mengutip

Triwijaya, S., Pradipta, A., Prasetyo, Y., & Wati, T. (2025). Battery Management System (BMS) Considering State of Charge (SOC) With Integration of Open Circuit Voltage and Coulomb Counting Methods Ups Sinyal Telecommunication Equipment Room (STER). Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal), 9(1), 37-43. https://doi.org/10.37367/jpi.v9i1.416

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