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All Journal Jurnal SPEKTRUM Jurnal Spektran Jurnal Pendidikan Teknologi dan Kejuruan PROSIDING CSGTEIS 2013 Jurnal RESISTOR (Rekayasa Sistem Komputer) International Journal of Engineering and Emerging Technology Journal of Applied Science, Engineering, Technology, and Education Journal of Applied Agricultural Science and Technology Prosiding Seminar Nasional Official Statistics Merkurius: Jurnal Riset Sistem Informasi dan Teknik Informatika Jurnal Arsitektur ARCADE
I Nyoman Setiawan
Program Studi Teknik Elektro, Fakultas Teknik UNUD
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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DESAIN PLTS OFF-GRID BERDASARKAN ANALISIS OTONOMI BATERAI LEAD ACID OPZV DI ADIDAYA WORKSHOP, JAKARTA BARAT Jonathan Oliver Ken; I Nyoman Setiawan; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 10 No 3 (2023): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2023.v10.i03.p2

Abstract

The design of Off-Grid PV at Adidaya Workshop as an additional electrical energy supplier is based on the load requirements used for equipment and operations at the workshop. In addition to requests from the company itself, the design of Off-Grid PV is carried out to supply electrical energy to essential loads and other educational purposes. The Off-Grid PV design was carried out with the first step of field observations at Adidaya Workshop, measuring the roof area, daily electricity load profile with a Power Quality Analyzer measuring instrument, and calculating the capacity requirements of the Off-Grid PV system according to the Adidaya Workshop load. The Off-Grid PV design was carried out with 4 scenarios based on variations in solar panels and batteries. Researchers calculated the capacity of the PV system and used PVSyst software as a design simulation so that a report was obtained based on field data. In the simulation results with PVSyst, the best performance ratio is obtained which is worth 68.3% obtained from scenario 3 with a variation of 600 Wp solar panels and 540 Ah batteries and the largest yield energy output is obtained from scenario 4.
Unjuk Kerja Purwarupa Sistem Pengatur Suhu dan Kelembaban Otomatis di Kebun Oka Jamur Bali Kresna Hadi Wijaya; I Nyoman Setiawan; I Wayan Sukerayasa
Merkurius : Jurnal Riset Sistem Informasi dan Teknik Informatika Vol. 3 No. 2 (2025): Maret: Merkurius: Jurnal Riset Sistem Informasi dan Teknik Informatika
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/merkurius.v3i2.748

Abstract

Oka Jamur Bali is one of the oyster mushroom cultivation farmers. Lack of efficiency in regulating temperature and humidity in mushroom barns is an important factor in the growth of mushroom fruiting bodies. This condition requires an innovative solution to regulate and monitor temperature and humidity in the barn area. This research aims to build a prototype using Arduino UNO, ESP32, DHT11, pump and Internet of Things (IoT) technology. The monitoring system design uses Arduino UNO, NodeMCU ESP32, DHT11 and DC pump with 12V voltage. Arduino UNO functions as a control system to manage and control the temperature and humidity parameters of the mushroom barn environment with the DHT11 sensor used to accurately measure temperature and humidity. The combination of NodeMCU ESP32 and Arduino UNO aims for monitoring through the ThingSpeak platform which can be accessed with a smartphone connected to the internet network. Based on the results of the prototype of the automatic temperature and humidity control system, the system is able to measure the environmental conditions of the mushroom barn with humidity measurement results in the range of 79% - 82% and the average temperature during the test reached 29.35°C. The application of the system was able to reduce the temperature by 2.28% with an average temperature of 28.19°C and increase the relative humidity by 6.27% with an average humidity of 81.1% in the mushroom barn area. The results of income between the income generated by using the automatic temperature and humidity control system tool and the income of farmers without using the tool increased by Rp. 16,416.
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.
Quality Assessment of Used Palm Cooking Oil Processed by Microfiltration Using Whatman Filter Papers with Different Pore Sizes Poppy Diana Sari; Rukmi Sari Hartati; Syamsudduha Syahrorini; I Nyoman Setiawan; Rahmah Utami Budiandari; I Wayan Sukerayasa; Muhammad Ainnur Rafdiansyah
Journal of Applied Agricultural Science and Technology Vol. 10 No. 1 (2026): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v10i1.496

Abstract

Microfiltration is a preliminary treatment in the production of biodiesel. This method is characterized by its simplicity and its environmental friendliness. It can reduce foam production during the saponification process, which is generally concomitant with the esterification process. Furthermore, microfiltration process does not involve the use of chemicals. The micropore size of the filter greatly influences the quality of the biodiesel produced, given its impact on impurities present in the oil used. The present study sought to determine the effect of microporous membrane size on the quality of used frying oil. The treatment variables in this study were the micropore sizes of the Whatman filter paper used: 2.5 μm, 8 μm, 11 μm, 16 μm, 20 μm, and 25 μm. Meanwhile, the observation variables encompassed the free fatty acid (FFA) content, acid number, viscosity, and water content of the used cooking oil. The findings of the study indicate that the microfiltration treatment employing filter paper with 2.5 μm pore size yielded the best results, with free fatty acid (FFA) level, acid number, viscosity and water content of 0.00238%, 0.411 mg KOH/g, 3.2843 cSt and 0.00068%, respectively. In accordance with the stipulations outlined in the Indonesian National Standard (SNI) 7128:2015, the microfiltered oil obtained in this study is deemed suitable for use as a raw material in biodiesel production.
PENDEKATAN SMART ARCHITECTURE PADA KAWASAN WISATA KASUS: EKOWISATA SUBAK UMA LAMBING Anak Agung Ayu Oka Saraswati; I Nyoman Setiawan; Gracella Renia Candrakirana; Putu Cantika Arismayanti; Ni Putu Bintang Aisa Aristina; Gede Agus Pramuditya Putra; Kadek Dwitya Artady Saputra
Jurnal Arsitektur ARCADE Vol 8 No 4 (2024): Jurnal Arsitektur ARCADE Desember 2024
Publisher : Prodi Arsitektur UNIVERSITAS KEBANGSAAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31848/arcade.v8i4.3882

Abstract

Perkembangan teknologi dan peningkatan jumlah wisatawan telah memicu perubahan di sektor pariwisata di Bali, termasuk pengembangan ekowisata berbasis teknologi. Penelitian ini bertujuan untuk mengeksplorasi potensi dan implementasi arsitektur cerdas dalam merancang ekowisata Subak Uma Lambing untuk meningkatkan pengalaman wisata dan mendukung kelestarian lingkungan. Metode penelitian yang digunakan meliputi survei lapangan, analisis data spasial, dan studi literatur. Hasil penelitian menunjukkan bahwa penggunaan teknologi dalam desain arsitektur seperti panel surya dan penggunaan material alami dapat meningkatkan pengalaman wisatawan, efisiensi pengelolaan sumber daya, dan meningkatkan kesadaran lingkungan di kalangan pengunjung dan masyarakat lokal di Subak Uma Lambing.
MENANGGULANGI GROUND FAULT DAN LEAKAGE CURRENT PADA JARINGAN INSTALASI LISTRIK DENGAN TRANSFORMATOR ISOLASI Kadek Mardhawa Linggih; I Nyoman Setiawan; Ida Ayu Dwi Giriantari
Jurnal Pendidikan Teknologi dan Kejuruan Vol. 23 No. 2 (2026): Edisi Juli 2026
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptk-undiksha.v23i2.115724

Abstract

One of the main problems that often arises in electrical distribution systems is the occurrence of ground faults and leakage currents. Both faults can trigger serious consequences, ranging from electric shocks and equipment malfunction to nuisance tripping and potential electrical fires. An isolation transformer works on the principle of galvanic separation between the source and load sides, so that it is able to inhibit leakage current flow, break ground-loop paths, and protect equipment from disturbances originating on the source side. This study experimentally tests the performance of an isolation transformer in real scenarios, measuring its impact on leakage current, neutral-to-ground voltage, and system response to artificial ground-fault disturbances, together with an economic feasibility study. Testing was performed on a 900 VA electrical installation network with a 1:1, 1000 VA isolation transformer, at four simulated leakage points (outer wall, inside wall, gravelly soil, sandy soil) and five loading stages (0-400 W). The results show that the isolation transformer effectively mitigates ground faults and leakage currents, producing 0 A leakage current at all test points after installation, compared to 10-90 mA without it. An independent-samples t-test showed a statistically significant difference (t = 5.026; df = 15; p < 0.001) between conditions with and without the isolation transformer. The economic study shows that the transformer's internal energy consumption produces a power loss of 19.008 kWh per month at full load, equivalent to a loss of Rp 25,698.82 per month, with an investment break-even point (BEP) of 16.8 years when evaluated solely from leakage-current savings.
Co-Authors A.A Ngurah Amrita Abdul Latif Agus Selamet Duniaji Allan Ardiansyah Anak Agung Ayu Oka Saraswati Anak Agung Gede Maharta Pemayun Antonius Ibi Weking Aveliano Tandrianto Axel Adamma Diwanda Baskara Formasakti Dewi Krismawati Eric Timotius Abit Duka Erwin Tanur Gallant Pradika Gede Agus Pramuditya Putra Gede Sukadarmika Gracella Renia Candrakirana I Dewa Gde Bayu Wiranatha I Dewa Gde Yaya Putra Pratama I Gede Budhi Arsana I Gede Dyana Arjana I Gede Nadi Arta I Kadek Adiasa I Kadek Juniarta I Komang Ogik Parmana Putra I Komang Wahyu Trisna Putra I Made Aditya Nugraha I Made Mataram I Made Oka Semara Putra I Made Sankhya Pranata Adiguna I Made Suartika I N Satya Kumara I Nengah Widiana I Nyoman Agus Junaedi I Nyoman Budiastra I Nyoman Candra Erawan I Nyoman Norken I Putu A.B. Artha Wiraguna I Putu Dedi Wiriastika I Putu Gede Iwan Dwipayana I Putu Juliawan I Putu Yudi Pramayasa I Wayan Ambarayana I Wayan Arta Saputra I Wayan Arta Wijaya I Wayan Rinas I Wayan Sukerayasa I Wayan Yoga Prasetya Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Irwan Octopianus Silaban Ivo Salvador Soares Miranda Jonathan Oliver Ken Kadek Diana Harmayani Kadek Dwitya Artady Saputra Kadek Mardhawa Linggih Kadek Wahyudi Widiatmika Kavlin Rafhel Panjaitan Kresna Hadi Wijaya Krisda Bimas Permada Laili Asdiyan Salsabila Ayu Lely Meilina Linawati Linawati Made Puji Dwicaksana Made Yogi Hendrayanto Marcelinus Anggiat Situmorang Muhammad Ainnur Rafdiansyah Neysa Amelia Hutagalung Ngakan Putu Satriya Utama Ni Putu Bintang Aisa Aristina Ogik Azis Bukhori Poppy Diana Sari Pramana, Setia Putu Cantika Arismayanti Putu Juliartawan Putu Satria Abdi Wicaksana Rahmah Utami Budiandari Rukmi Sari Hartati Rukmi Sari Hartati Suriana, I Wayan Surya Ramachandra Syahrorini, Syamsudduha Wayan Gede Ariastina Widyadi Setiawan Yozi Abdullah Haqiqi