Ismail, Mohd Ridhuan and Abdul Majid, Zafri Azran and Ihsan, Sany Izan and Mohd Azmi, Mohd Syahriman (2024) Optimization of solar hybrid gravity system with battery energy storage for elevation systems. In: IIUM Research & Innovation Day 2024 (IRID 2024), 2 July 2024, Grand Hall, Office of Campus Director (OCD), IIUM Kuantan Campus, Pahang, Malaysia.
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Abstract
This research studies the performance and efficiency of a solar hybrid gravity system integrated with battery energy storage. The objective is to optimize the design of a solar hybrid gravity system using Solar PV 50-Watts, SLA (18Ah) Battery and Water Gravity Energy Storage Tank. Energy consumption is measured using SLA (18 Ah) Battery, Solar PV (18Ah) and 22-Watts water Pump at different heights of Water Tank and to quantify efficiency improvements that reduce energy consumption and extension of battery lifespan. The methodology involved three procedures with five data loggers: a flow meter, a pyranometer, and three units of watt meters. First, the system uses a fully charged SLA (18Ah) Battery at different heights of Circulation Water Tank (1.5m, 2m, 2.5m, 3m, and 3.5m) every 15 minutes. Second, the system uses 50-watt solar PV directly at 3 meters height. Third, the system uses Solar Hybrid Gravity System with Battery Energy Storage at 3 meters height in seven days monitoring. Results show that energy consumption for solar hybrid gravity system was reduced to 50% and doubled the battery lifespan. The SLA (18Ah) Battery shows a charging and discharging loss is 22.1% with 5% of Deep of Discharge (DOD) while the 22-Watt Water Pump achieved rate of 11.0 L/min at peak solar radiation, with a maximum motor power of 24.32 Watts. In conclusion, this study was successfully optimizing the solar hybrid gravity system on efficiency improvements, reducing battery dependency and doubled the battery lifespan that making it a sustainable solution for elevation applications.
| Item Type: | Proceeding Paper (Other) |
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| Uncontrolled Keywords: | Solar energy, gravity energy storage, battery efficiency, water pumping, energy optimization. |
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TJ Mechanical engineering and machinery > TJ163.26 Energy conservation T Technology > TJ Mechanical engineering and machinery > TJ807 Renewable energy sources |
| Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): | Kulliyyah of Allied Health Sciences > Department of Diagnostic Imaging and Radiotherapy Kulliyyah of Engineering Kulliyyah of Engineering > Department of Mechanical Engineering |
| Depositing User: | Dr. Zafri Azran Abdul Majid |
| Date Deposited: | 21 Aug 2026 11:04 |
| Last Update: | 21 Aug 2026 11:04 |
| Queue Number: | 2026-08-Q4873 |
| URI: | http://irep.iium.edu.my/id/eprint/130944 |
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