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Sebuah Smart Rumpon Portable berbasis Solar Cell dan LoRa untuk Meningkatkan Produktivitas Nelayan Tradisional Pantai Puger Kulon Haryati, Jihan Rahfida; Muhammad Rifki Afdillah; Tio Alfian Nirvanto; Dimas Kharisma Rezkie Pamungkas; Anfasa Syahrul Habibie; Risse Entikaria Rachmanita
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 5 No. 2 (2024): ARMATUR: Artikel Teknik Mesin dan Manufaktur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v5i2.5539

Puger Kulon Coast Fishermen are traditional fishermen who still rely on decreasing knowledge and simple catch tools in searching for fish. Fishers experience a variety of challenges in finding fish due to various factors such as, seasons, climate, uncertain weather, and the limitation of catch devices making them difficult to find fish. This activity aims to provide a solution to the problems experienced by our partners, the traditional fishermen in the village of Puger Kulon. The problem that the partners are experiencing is the instability of the catch. The methods of implementation of these activities include the study of literature, socialization, preparation of tools and materials, planning and design of tools, implementation and testing tools, supporting and training in the use of instruments, and evaluation. The Electronic Calling Tool can be used for up to 13 hours on full battery, but it is recommended that partners use the device for a maximum of 8 hours to extend the device's service life. Implementation of the program has gone well and achieved good results demonstrated by increased catch yields of 28% and fuel savings of 20%. The system and components of the eFAD must be regularly monitored and controlled according to the program implementation guidelines given.

Identifikasi Kandungan Karbon dan Nitrogen pada Kotoran Sapi Feedlot Polije dan Kulit Pisang Saiful Anwar; Nur Faizin; Zeni Ulma; Risse Entikaria Rachmanita; Michael Joko Wibowo
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 6 No. 2 (2024): JPPL, September 2024
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v6i2.2405

Politeknik Negeri Jember has cow dung waste which needs to be utilized so that it does not pollute the environment. However, the C/N ratio of cow dung is 24. To optimize biogas production, raw materials that contain high carbon sources can be added. Banana peel is waste with a carbon content of 36%, so it is an alternative raw material that can be used to produce biogas. Analysis of total C from cow dung and banana peels was carried out using spectrophotometric methods. Total N analysis of cow feces and banana peels was carried out based on the Kjeldhal method. The sample weight for each type of material was made of 2 samples, for banana peel the weight of the samples made was 236 mg and 312 mg. Meanwhile, for cow feces, the sample weights were 223 mg and 291 mg. The average organic carbon obtained from banana peels is 2.413%, while the organic carbon in cow feces is 4.569%. This result was obtained by comparing the relationship between the sample's absolute standard and concentration against a graph. In the process of making biogas, the nitrogen content should not be excessive because this can result in the production of excess ammonia gas rather than methane gas. The average nitrogen content in banana peels and cow feces is 0.062% and 0.160% respectively. These results indicate that the nitrogen content in the sample is relatively very small so it has the potential to be used as a raw material for making biogas. The results of the organic carbon and nitrogen content in banana peels and cow dung were compared. The average value of the C/N ratio of banana peel is 39.158% and cow feces is 28.707%. These two results indicate that both samples have the potential to produce good biogas.

Perancangan dan Analisis Tekno Ekonomi PLTS On-Grid System sebagai Supply Energi Listrik Masjid Al-Istiqamah Politeknik Negeri Jember Argo Tri Winnarni; Risse Entikaria Rachmanita
Elposys: Jurnal Sistem Kelistrikan Vol. 11 No. 3 (2024): ELPOSYS vol. 11 no. 3 (2024)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v11i3.4609

The increasing energy demand is directly proportional to the growing population and technological advancements. The energy needs in Indonesia largely rely on fossil fuels, which are limited and environmentally unfriendly due to their emission characteristics. The potential of solar energy in Indonesia is around 4.8 kWh/m2, making it a renewable and environmentally friendly energy source that can be utilized for Solar Power Plants (PLTS). The aim of this research is to design an on-grid PLTS system and conduct techno-economic analysis using PVSyst software. This design requires 14 Longi Solar/LR5-72HPH-550M solar panels and 1 Huawei SUN2000-6KTL-M1 inverter. The estimated electricity production is 10,852 kWh/year in the first year. The initial investment cost for this PLTS system is Rp. 120,343,517.00, with estimated savings over 25 years amounting to Rp. 270,115,412.00. Economically, based on the feasibility analysis using the LWBP tariff calculation method, the NPV is Rp. 2,174,707.00, BCR is 1.68, and PBP is 11.8 years. Meanwhile, based on the feasibility analysis using the LCoE calculation method, the NPV is Rp. 74,877,690.00, BCR is 2.61, and PBP is 7.5 years. Based on the conducted research, the construction of this PLTS is deemed feasible to be implemented.

Analisis Kelayakan Pembangunan PLTS pada Kafe Pondok Juice Risse Entikaria Rachmanita; Syahrir Rojib; Nur Faizin; Ahmad Fahriannur
Venus: Jurnal Publikasi Rumpun Ilmu Teknik Vol. 3 No. 3 (2025): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v3i3.856

Indonesia, which is located on the equator, has great potential to utilize solar energy, with an average solar radiation reaching 4.80 kWh/m² per day. This provides an advantage in the development of Solar Power Plants (SPP), one of which is through the installation of rooftop on the roof of the building as a source of electrical energy. This study aims to analyze the feasibility of SPP development by considering the techno-economic aspects of the Pondok Juice cafe. The total real electrical energy consumption required by the Pondok Juice cafe is 32,548 Wh/day. Assuming a system loss of 15%, the total electrical energy requirement that must be supplied by the SPP is 37,430.2 Wh/day. The initial investment projection is IDR 204,265,197, with operational and maintenance costs for 25 years of IDR 105,760,028. The investment feasibility analysis shows NPV of IDR 441,523,820.10, BCR 4.11, DPP ±5 years, and IRR 15.55%, which proves that this SPP planning is feasible to implement.

PENINGKATAN PRODUKTIFITAS PANGAN DENGAN PENERAPAN INOVASI TEKNOLOGI SMART SISTEM ENERGI SURYA DAN SISTEM KENDALI UDARA BERBASIS IOT PADA USAHA MIKRO PENETASAN TELUR ITIK UD. PUTRA JEMBER DAN PETERNAKAN BROILER UD. NUROHMAN FARM JEMBER Risse Entikaria Rachmanita; Denny Trias Utomo; Hariadi Subagja; Yuana Susmiati; Beni Widiawan
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 2: Juli 2025
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Program pengabdian ini bertujuan untuk mengatasi permasalahan efisiensi energi dan kendali lingkungan mikro pada dua UMKM peternakan di Jember: UD. Putra Jember dan UD. Nurohman Farm. UD. Putra Jember mengalami permasalahan pada efisiensi pemakaian energi dan penurunan tingkat penetasan akibat pemadaman listrik. Sementara UD. Nurohman Farm menghadapi masalah biaya listrik tinggi dan kontrol kualitas udara yang tidak otomatis. Solusi diterapkan berupa sistem kendali udara berbasis Internet of Things (IoT) dan sistem Pembangkit Listrik Tenaga Surya (PLTS). Metode pelaksanaan terdiri dari survei, FGD, desain, implementasi, pelatihan, dan pengujian. Hasil menunjukkan sistem IoT berhasil mengendalikan suhu, kelembaban, dan amonia secara real-time melalui web dan perangkat mobile. Penerapan PLTS berhasil mengurangi biaya listrik hingga 1 juta rupiah per bulan. Program ini meningkatkan efisiensi produksi dan memberikan transfer teknologi yang signifikan kepada mitra

Identifikasi Kandungan Karbon dan Nitrogen pada Kotoran Sapi Feedlot Polije dan Kulit Pisang Saiful Anwar; Nur Faizin; Zeni Ulma; Risse Entikaria Rachmanita; Michael Joko Wibowo
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 6 No. 2 (2024): JPPL, September 2024
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M), Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v6i2.2405

Politeknik Negeri Jember has cow dung waste which needs to be utilized so that it does not pollute the environment. However, the C/N ratio of cow dung is 24. To optimize biogas production, raw materials that contain high carbon sources can be added. Banana peel is waste with a carbon content of 36%, so it is an alternative raw material that can be used to produce biogas. Analysis of total C from cow dung and banana peels was carried out using spectrophotometric methods. Total N analysis of cow feces and banana peels was carried out based on the Kjeldhal method. The sample weight for each type of material was made of 2 samples, for banana peel the weight of the samples made was 236 mg and 312 mg. Meanwhile, for cow feces, the sample weights were 223 mg and 291 mg. The average organic carbon obtained from banana peels is 2.413%, while the organic carbon in cow feces is 4.569%. This result was obtained by comparing the relationship between the sample's absolute standard and concentration against a graph. In the process of making biogas, the nitrogen content should not be excessive because this can result in the production of excess ammonia gas rather than methane gas. The average nitrogen content in banana peels and cow feces is 0.062% and 0.160% respectively. These results indicate that the nitrogen content in the sample is relatively very small so it has the potential to be used as a raw material for making biogas. The results of the organic carbon and nitrogen content in banana peels and cow dung were compared. The average value of the C/N ratio of banana peel is 39.158% and cow feces is 28.707%. These two results indicate that both samples have the potential to produce good biogas.

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