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All Journal Innovative: Journal Of Social Science Research Majalah Ilmiah Teknologi Elektro
Santiari, Dewa Ayu Sri
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Humanities Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Law, Crime, Criminology & Criminal Justice Public Health Other

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Rancang Bangun Purwarupa Wi-Fi Koin dengan Suplai Daya dari Pembangkit Listrik Tenaga Surya (PLTS) Off-Grid Widiyatmika, I Made Padma; Aradea, I Gd. Bayu Ananta; Putra, Kadek Arie Anggara; Hartawan, I Gusti Agung Komang Diafari Djuni; Santiari, Dewa Ayu Sri; Pramaita, Nyoman
Innovative: Journal Of Social Science Research Vol. 5 No. 4 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i4.21042

Abstract

Songan Village faces challenges in accessing affordable and stable internet due to its hilly terrain, which hinders telecommunication signals. To address this issue while supporting the renewable energy mix target in accordance with Government Regulation No. 79 of 2014, a prototype of Coin Wi-Fi powered by an off-grid Solar Power Plant (PLTS) was developed as a solution for low-cost and eco-friendly internet access. The system includes bandwidth and usage time management using MikroTik and Raspberry Pi, an off-grid power supply from solar panels and LiFePO4 batteries. Based on observations and testing, the system can operate for 12 hours per day with stable voltage, strong signal up to 20 meters, and consistent internet performance even with multiple users, making it a promising solution for internet access in remote areas.
Rancang Bangun Prototype Pembangkit Listrik Tenaga Mikro Hidro (PLTMH) Dengan Studi Kasus Saluran Irigasi Di Desa Medewi Kecamatan Pekutatan Kabupaten Jembrana Trivania, Irene; Situmeang, Tom Gerraldo Salomo; Sihaloho, Martin Luhut Ariberthson; Amrita, Anak Agung Ngurah; Jasa, Lie; Sukerayasa, I Wayan; Rahardjo, Pratolo; Santiari, Dewa Ayu Sri
Majalah Ilmiah Teknologi Elektro Vol 24 No 1 (2025): ( Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i01.P08

Abstract

Micro Hydro Power (MHP) is a small power plant that uses water to generate electricity. It can be found in irrigation canals, rivers, or waterfalls. The amount of water and head height are important factors in determining the power output. The irrigation canal in Medewi Village is being used as a research location for MHP. Researchers will use the data to perform calculations and design a prototype. They will also conduct an economic analysis of the MHP to determine its feasibility. The discharge at the research location is 0.23 m3/s, and the waterfall is 2.24 m high. Through the calculation results, the researchers determined that the turbine is a crossflow turbine. The turbine power is 3.9 kW, the generator power is 4.375 kVA, and the turbine power in the homer software is 4.195 kW. The cost of building the MHP in the irrigation canals in Medewi Village is IDR20.391.899,26. With a 6% discount rate, the BCR is 1,51, the NPV value is IDR30.827.069, the IRR is 12,3%, and the BEP result per unit The payback period is 1 year 5 months and 2 weeks. Selling 46.585,056 kWh results in an LCC of IDR44.598.314. Using MHP throughout its economic life results in a cost that is less than the price paid to PLN.
Co-Authors A.A Ngurah Amrita Aradea, I Gd. Bayu Ananta Hartawan, I Gusti Agung Komang Diafari Djuni I Wayan Sukerayasa Lie Jasa Nyoman Pramaita Pratolo Rahardjo Putra, Kadek Arie Anggara Sihaloho, Martin Luhut Ariberthson Situmeang, Tom Gerraldo Salomo Trivania, Irene Widiyatmika, I Made Padma