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Journal : Barakuda 45

Design of A Solar-Powered Automatic Grouper Fish Feeder In Floating Net Cages Santoso, Hendi; Saputra, Robin; Zibar, Zan; Munandar, Rizqan Khairan
Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan Vol 6 No 2 (2024): Edisi November
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/barakuda45.v6i2.553

Abstract

This research aims to design and develop an automatic feeding device for grouper fish operating in floating net cages, using solar energy as the power source. The system is designed to improve feeding efficiency by providing feed at the right time and in the appropriate amount, supporting optimal fish growth. The device is equipped with solar panels as the main power supply, along with a time sensor to regulate feeding frequency. This technology is expected to optimize the productivity of grouper aquaculture while maintaining environmental sustainability through the use of renewable energy. The device was tested in floating net cages at Semak Daun Island, Kepulauan Seribu, DKI Jakarta, with the results showing that it functioned effectively, dispensing feed according to the set schedule and operating stably using solar power. This research examined the relationship between the rotation time of the feed motor (DC motor) and the weight of the dispensed feed. The rotation time of the DC motor is directly proportional to the feed weight, with a correlation value exceeding 90%. The energy required for one day of operation is 36.01 watts. In this system, we used 12 units of 18650 batteries with a capacity of 2000mAh (2Ah) and a voltage of 3.7 volts, along with a 10wp solar panel.
Hybrid Renewable Energy System: Design of Fishing Boat Lamp Based on Solar Energy and Seawater Electrochemistry in West Kalimantan Santoso, Hendi; Utami, Naniek Tri
Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan Vol 7 No 2 (2025): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/barakuda45.v7i2.686

Abstract

This study presents the design and performance evaluation of a Hybrid Renewable Energy System (HRES) integrating a mini solar panel, lithium-ion battery, and seawater-based galvanic cell (Mg–Cu) for sustainable lighting applications on small fishing boats in coastal West Kalimantan, Indonesia. The system aims to provide an affordable and renewable power source for traditional fishermen. Experimental results show that a 2 W mini solar panel produced an average of 12.64 Wh/day with a peak output of 2.7 W under optimal sunlight conditions. The lithium-ion 3S 18650 battery pack (27 Wh) demonstrated stable performance, powering a 3 W HPL lamp continuously for 12 hours (18:00–06:00) with load voltage decreasing gradually from 3.36 V to 3.15 V and current from 0.78 A to 0.66 A, corresponding to a light intensity reduction from 2538 lux to 1882 lux at a 10 cm distance. In contrast, the Mg–Cu seawater cell produced lower illumination levels of 492–221 lux, indicating its suitability primarily as a backup energy source. The hybrid configuration effectively enhanced system reliability and operational sustainability in maritime environments. Overall, this study confirms the potential of HRES to strengthen energy independence among small-scale fishermen while supporting SDG 7 (Affordable and Clean Energy), SDG 13 (Climate Action), and SDG 14 (Life Below Water) through practical utilization of locally available renewable resources.