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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya Jurnal Energi Baru dan Terbarukan
Sukma, Freygieon Ogiek Rizal
Department Of Physics, Universitas Udayana, Jalan Kampus Unud Bukit Jimbaran, Badung, 80351
Electrical & Electronics Engineering Energy Engineering Environmental Science Physics

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SOC (STATE of CHARGE) THREE-CELL LEAD DYNAMIC BATTERY MODEL Pranata, Kurriawan Budi; Rizal Sukma, Freygieon Ogiek; Ghufron, Muhammad; Masruroh, Masruroh
Jurnal Neutrino Vol 13, No 2 (2021): APRIL
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v13i2.11835

Abstract

Three-cells dynamic lead-acid battery has been widely manufactured as the latest secondary battery technology. It is being carried out by 10 cycles of charge-discharge treatment with a various types of SoC, such as 100% (Full charge 5100 mAh), 50% (2550 mAh), 25% (1275 mAh) and discharge current of 0.8A. This experiment aims to analyze the treatment of SOC conditions on the performance of the lead-acid battery. The cyclicality test has performed using a Battery Management System (BMS) by applying an electric current at charging 1 A and discharging 0.8A. The results of the SOC charging conditions at 100%, 50%, 25% respectively gave a difference in the value of voltage efficiency of 84%, 87%, 88%, capacity efficiency values of 84%, 80%, 69%, energy efficiency values of 70%, 70%, 62%. The 100% and 50% SOC treatments showed better performance and battery energy the 25% SOC treatment. This research can be a recommendation to predict the performance of the lead-acid battery model during the charging and discharging process.
Towards Bali's Energy Independence: Potential and Challenges in Developing Renewable Energy Power Plants Putu Gede Agus Krisna Yogantara; Freygieon Ogiek Rizal Sukma; Hangga Novian Adi Putra
Jurnal Energi Baru dan Terbarukan Vol 7, No 2 (2026): Mei 2026
Publisher : Program Studi Magister Energi, Sekolah Pascasarjana, Universitas Diponegoro, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jebt.2026.31379

Abstract

The use of electricity on the island of Bali currently still relies heavily on supply from the island of Java, with most of the electricity coming from fossil-based power plants. In reality, Bali has quite abundant potential for new and renewable energy (NRE) both on land and at sea. This research aims to comprehensively review the technical potential of various NRE sources in Bali along with the challenges of their implementation, as well as to formulate scenarios for the development of integrated power plants toward energy independence. Based on a synthesis of recent literature studies and policy data, Bali has a technical NRE potential of up to 22 GW, with solar power being the most strategic short term option through the development of rooftop solar power plants of up to 2.7 GW by 2034. However, this review also identifies that in reality, achieving this potential is still far from the expected target, as the distribution of new NRE use only reached 1.48% in 2023. The critical challenges identified include socio-cultural conflicts such as the geothermal project in Bedugul, past failures of communal wind projects, inconsistent policies that still prioritize gas-fired power plants, as well as regulatory barriers that limit private sector investment. As a solution, a scenario is proposed for the development of integrated power plants in five strategic locations in Bali, along with policy recommendations to accelerate the energy transition, including reforms of electricity trade regulations, incentives for renewable energy investments, and the resolution of socio-cultural conflicts through a participatory multi-stakeholder approach.
Co-Authors Hangga Novian Adi Putra Kurriawan Budi Pranata, Kurriawan Budi Masruroh MASRUROH Muhammad Ghufron Putu Gede Agus Krisna Yogantara