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All Journal Buletin Udayana Mengabdi Jurnal SPEKTRUM TELKOMNIKA (Telecommunication Computing Electronics and Control) PROSIDING CSGTEIS 2013 Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Indonesian Journal of Electrical Engineering and Computer Science Journal of Applied Science, Engineering, Technology, and Education Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal SPEKTRUM Journal of Electrical, Electronics and Informatics
Wayan Gede Ariastina
Study Program Of Electrical Engineering, Faculty Of Engineering,Udayana University
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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Citrus Peel Waste as an Electrolyte Solution for Energy Storage in Bio-Batteries I Wayan Suriana; Ida Ayu Dwi Giriantari; Wayan Gede Ariastina; I Nyoman Setiawan
Journal of Applied Science, Engineering, Technology, and Education Vol. 7 No. 2 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.asci3974

Abstract

This study explores the potential of citrus peel waste as an electrolyte solution for energy storage in bio-batteries. This research offers an environmentally friendly solution to obtain clean and sustainable energy by utilizing abundant organic waste as raw material. An experimental method was conducted to analyze the ability of electrolyte solutions from citrus fruit peel waste to support bio-battery performance. The results showed that citrus peel waste has significant potential as an electrolyte solution with competitive capabilities in energy storage. The implications of this research include the development of more sustainable alternative energy technologies and the effective use of unused resources, which could be an essential step in achieving global sustainability goals.
Studi Teknoekonomi PLTS Apung 141,4 kWp Bendungan Telaga Tunjung Bali Julius Mahendra Sihombing; Surung Rafael Sihaloho; I Nyoman Satya Kumara; I Wayan Sukerayasa; Wayan Gede Ariastina
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6893

Abstract

The increasing demand for electrical energy and the issue of climate change are driving the utilization of renewable energy, one of which is through Solar Power Plants (PLTS). The Province of Bali targets the development of PLTS of 108.2 MW, equivalent to 8.62% of the total solar energy potential of 1,254 MW by 2025. However, land limitations pose an obstacle to the construction of large-scale PLTS. Floating solar power plant design can be a solution to this issue. By utilizing 4,955.32 m² of water surface at the Telaga Tunjung Dam, the Floating Solar Power Plant at Telaga Tunjung Dam has a potential capacity of 141.4 kWp, using 280 Trina Solar modules of type TSM-DEG18MC.20(II) (505 Wp) combined with one SG110CX inverter with a capacity of 110 kW. The annual electricity production of the floating solar power plant, based on Helioscope software, is 201.1 MWh. The economic feasibility parameters used in this study include initial investment cost, Profitability Index (PI), and Payback Period (PP). The analysis results show that the 141.4 kWp floating solar power plant project at Telaga Tunjung Dam has an initial investment value of IDR 1,248,764,582, a PI of 1.26, and a PP of 3.91 years. Therefore, this project is considered economically feasible and contributes positively to reducing CO₂ emissions.
RANCANG BANGUN LAMPU OTOMATIS UNTUK TANAMAN BUAH NAGA BERBASIS SMART AGRICULTURE Abdul Qodir; Lie Jasa; Wayan Gede Ariastina
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p5

Abstract

Indonesia is an agrarian country rich in agricultural commodities, one of which is dragon fruit. Dragon fruit has high economic value and health benefits. However, the productivity of dragon fruit plants is greatly influenced by the duration and intensity of sunlight, which becomes a challenge during the rainy season or days with low light intensity. This study aims to design an automatic lighting control system based on a microcontroller with On/Off scheduling features to support dragon fruit cultivation in Krajan Village, Yosomulyo Village, Banyuwangi Regency. This system utilises Internet of Things (IoT) technology and the NTP protocol for time synchronisation, enabling real-time monitoring of sensors and lighting control without direct user intervention. The method used involved the design and testing of the microcontroller from January to February 2025. Test results indicate that the use of yellow LED lights can enhance flowering and plant growth by extending photosynthesis duration, particularly at night. Thus, this system effectively increases dragon fruit productivity and quality while providing an efficient solution for farmers facing natural lighting limitations.
STUDI PERBANDINGAN EFISIENSI ENERGI DAN BIAYA OPERASIONAL KOMPOR INDUKSI DAN LPG BERBASIS IOT A. Andriani; H.C Soetanto; G.K. Sandy; I. N. S. Kumara; W. G. Ariastina
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p12

Abstract

This study designs an Internet of Things (IoT)-based monitoring system for 2 kW induction and 2 kW LPG stoves, supporting Indonesia's 2060 Net Zero Emission energy transition policy. Utilizing Arduino Mega 2560 with ESP8266, PZEM-004T sensor, K-type thermocouple, load cell, and Blynk platform, the system provides real-time monitoring of voltage, current, power, temperature, gas mass, and operating time. Data is accessible via a mobile application and stored on an SD card for analysis. Safety features include remote electricity/gas cut-off and active stove notifications. Testing reveals the induction stove's higher efficiency, heating 400 ml of cooking oil in 193 seconds with 0.06 kWh, compared to the LPG stove's 281 seconds with 19.18 grams of gas. Operational cost analysis indicates the induction stove is more economical (Rp 101.97) than subsidized LPG (Rp 159.87), suggesting a more favorable long-term investment for induction technology. By facilitating data collection, remote control, and review, the proposed system allows for evaluation of both technical and economic efficiencies. This study offers an IoT based technical solution and economic assessment that support the national policy shift toward induction stove.
PERANCANGAN SPBKLU SEPEDA MOTOR LISTRIK DAN PEMILIHAN LOKASI PEMASANGAN DI BALI SELATAN N. W. Sindi; D. A. S. Santiari; I. A. D. Giriantari; W. G. Ariastina; I W. Sukerayasa; I N. S. Kumara; I N. Setiawan
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p22

Abstract

The limited availability of fossil fuel reserves and the fact that their formation takes millions of years have driven the accelerated adoption of electric vehicles as a strategic step to reduce carbon emissions. Bali, as one of the leading regions in the clean energy transition, requires adequate infrastructure support, particularly charging stations as the main facilities for electric vehicles, whose development must take into account proper location selection and design. This study focuses on the design and location selection of battery swapping stations for electric motorcycles (SPBKLU) in South Bali, including three-dimensional designs and electrical layouts, as well as location determination using the Analytical Hierarchy Process (AHP) method by evaluating potential sites. The results of this study are one optimal location for SPBKLU installation, accompanied by a three-dimensional design suited to the site’s characteristics and the SPBKLU’s electrical layout. In the future, it is expected to serve as a study and reference for the development of electric vehicle infrastructure in Bali, accelerating public adaptation to this technology.
Investment Cost Analysis of Renewable Energy Plant Development in Bali Province I K. S. T. Lilayoga; W. G. Ariastina; D. A. S. Santiari; I. A. D. Giriantari; I N. Setiawan; I W. Sukerayasa; I N. S. Kumara
Journal of Electrical, Electronics and Informatics Vol. 9 No. 1 (2025): JEEI (June 2025)
Publisher : Institute for Research and Community Services Udayana University

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

Abstract

Bali Province is one of the areas that has abundant renewable energy potential. Through increasing the role of renewable energy in the national energy mix which is a government program, which aims to reduce the use of non-renewable energy and open community participation in utilizing renewable energy in Bali Province. To overcome these problems, an analysis of the investment costs of developing renewable energy plants in Bali Province in 3 scenario modeling was carried out. In this scenario modeling is carried out to determine the investment cost of developing renewable energy plants in Bali Province in the 2024 - 2045 time span. The results of this study show that renewable energy investment costs in the optimistic scenario require investment costs of 264,12 Million USD in 2024 increasing to 2.078,35 Million USD in 2045 with total investment costs during the modeling period of 46.477,10 Million USD. The moderate scenario requires investment costs of 264,12 Million USD in 2024 increasing to 1.186,30 Million USD in 2045 with total investment costs during the modeling period of 27.362,52 Million USD. The pessimistic scenario requires investment costs of 264,12 Million USD in 2024 increasing to 986,80 Million USD in 2045 with total investment costs for the modeling period of 20.817,04 Million USD.
Co-Authors A I Weking A. A. Ngurah Bagus Budi Nathawibawa A. A. T. B. Artawan A. Andriani A. Ibi Weking A.A Ngurah Amrita A.A. Gede Ari Pawitra Putra A.I. Weking AA. M Pemayun Abdul Latif Abdul Qodir Abid Surya Bimantara Agus Selamet Duniaji Awgustus Patandean Bawa Adiputra C. G. I. Partha, C. G. I. C. G. Indra Partha D. A. S. Santiari D.Y. Manurung Derren, M. Dewa ayu Nancy Cahyani Dharmawan, N. B. Dony Septa Primadita DPD Suparyawan G.K. Sandy Gede Endrawadi Gede Ogiana Gede Sukadarmika Govinda Riawan H.C Soetanto Haekal, Muhammad Hasan Dedy Sudono I Dewa Gede Wisnu Agung Bayuna I G.N. Evan Aditya Pramana I Gede Adnyana I Gede Budhi Arsana I GN Dion Adiputra I Gusti Ngurah Priambadi I K. S. T. Lilayoga I Kadek Hendy Wijaya I Kadek Krisna Yoga I Ketut Citra Adi Putra I M Suartika I M.T. Sismantara I N Satya Kumara I N. S. Kumara I N. Setiawan I Nyoman Budiastra I Nyoman Oksa Winanta I Nyoman Setiawan I Nyoman Suprapta Winaya I P. A. Edi Pramana I Putu Arsikaputra I Putu Eka April Yanto I W A Wijaya I W A WINARTA I W Rinas I W.Y.M. Wiguna I Wayan Arta Saputra I Wayan Arta Wijaya I Wayan Sukerayasa I. N. S. Kumara I. W. Sukerayasa, I. W. I.B.G. Manuaba I.G.W. Artana I.N.S. Kumara I.P.H. Wahyudi I.W. Yudi Martha Wiguna Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Bawa Adiputra Indra Baskara INS Kumara INS Kumara Intan Aprilia Medina IW Gunarta J. Pangaribuan Julius Mahendra Sihombing Juniastra Gina K A Kartika Sari Kadek Ary Budi Permana Kadek Hari Merta Kadek Sumariana Kenny Angel Manik Ketut Vidhia Kumara Komang Oka Saputra Kumara, I. N. S. l Gusti Ngurah Janardana Leba, G. I. M. Lie Jasa M.K. Huda Made Sudarma mahadi putra Michael Candra Santoso Muhammad Hari Wijaya Muhammad Malik Al Falah N. A. Kartono N. B. Dharmawan N. Nuswantara N. W. Sindi N.W. Budiantari Ngakan Putu Satriya Utama Ngakan Putu Satrya Utama Ni Made Ary Esta Dewi Wirastuti Ni Made Ary Esta Dewi Wirastuti NM Karmiathi Norberto Soares Nurwijayanti Nyoman Gede Yudiarta Ontoseno Penangsang Pande K. B. Sutawan Putu Martha Risnadinata R.S. Hartati Rukmi Sari Hartati Sari, N. P. A. R. Sembiring, Rinawati Setiawan, I N. Setiawan, I. N. Sinaga, P. M. Solly Aryza Suriana, I Wayan Surung Rafael Sihaloho Virgunia, D. A. Yohana Fransisca Sarumpaet