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Journal : Jurnal Riset Rumpun Ilmu Teknik (JURRITEK)

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.
Perancangan User Interface pada Sistem Smart Building Berbasis Internet of Things A. Jagad Miftahul Rizqy; I Nyoman Satya Kumara; I Made Arsa Suyadnya; I Wayan Sukerayasa
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.v4i3.6819

Abstract

The DH Building of the Electrical Engineering Study Program at Udayana University faces significant challenges in energy efficiency, as it still relies on conventional electrical systems. User negligence, such as forgetting to switch off lights and air conditioners (AC) after use, often results in unnecessary energy waste and increased operational costs. This issue highlights the urgent need for smart solutions capable of automating energy management, reducing waste caused by human error, and supporting the creation of a more efficient and sustainable campus environment. To address this problem, this study designs and implements a smart building system based on the Internet of Things (IoT). The system employs a NodeMCU ESP32 microcontroller as the main processing unit, integrated with a series of sensors including a DHT22 sensor for monitoring temperature and humidity, an MQ2 sensor for smoke detection, a PIR sensor for motion detection, and a PZEM-004T sensor for monitoring energy consumption. Control of electronic devices such as lights and AC units is carried out both automatically and manually through relay modules connected to the system. All sensor data and control functions are accessed via a web interface developed using the Laravel framework and a MySQL database. The testing results indicate that the designed system was successfully implemented and functions as expected. Sensor testing demonstrated high accuracy compared to standard measuring instruments, while the electronic device control system achieved an average response time of approximately 3.6 seconds, proving its reliability. Overall, the system provides a comprehensive solution for energy consumption monitoring and control, while also enhancing comfort and safety in the DH Building, in line with the goals of energy efficiency and facility modernization.
Co-Authors A. A. Ngurah Bagus Budi Nathawibawa A. Ibi Weking A. Jagad Miftahul Rizqy A.A. Gede Ari Pawitra Putra Abid Surya Bimantara Adhi Permana Aditya Perdana Putra Purnomo Adyana Putra, I Kadek Agus Mahardiananta, I Made Agus Satrya Wibawa Agus Selamet Duniaji Amien Harist Hardiansyah Ariastina, WG Aries Arimbawa Asep Andang Bayu Widiarsa Kadek Bradley Axelius C. G. Indra Partha Caesar, B Cecep Yudhie Rachmat D. Sitompul D.C. Khrisne D.Y. Manurung Darmawan, I Gede Hadi Derren, M. Dewa Nyoman Tri Budiantara Dewa Putu Ari Laksana Dharmawan, I Made Diky Dwi Girantari, Ida Ayu Dwi Giriantari , Ida Ayu Eka Yulia Indri Christanti Fajar Tri Prabowo Giusna Dipankara Kusnandar Govinda Riawan H. Kristiawan Harahap, RS Hardiansyah, Amien Harist Hasan Dedy Sudono Hendri Noviyanto Pratama I Dewa Gde Yaya Putra Pratama I Gde Ari Biantara I Gede Civavisna Brahma I Gede Dyana Arjana I Gede Hadi Darmawan I Gst Agung Putu Raka Agung I Gusti Agung Putu Raka Agung, I Gusti Agung Putu I Gusti Agung Putu, Raka Agung I Gusti Made Ngurah Desnanjaya I K Agus Setiawan I Kadek Hendy Wijaya I ketut Gede Darma Putra I Ketut Wiryajati I Made Aditya Nugraha I Made Arsa Suyadnya I Made Dwi Jendra Sulastra I Made Ginarsa I Nyoman Budiastra I Nyoman Budiastra I Nyoman Setiawan I Nyoman Setiawan I Nyoman Yudiyana I Pt Agus Surya Adi P I Putu Elba Duta Nugraha I Putu Gde Weda Setyawan I Putu Gede Budisanjaya I Putu Gede Iwan Dwipayana I Putu Indra Saputra I Putu Yudi Pramayasa I W.Y.M. Wiguna I Wayan Indrayana, I Wayan I Wayan Sukerayasa I Wayan Sukerayasa i wayan swi putra I Wayan Swi Putra I. M. R. A Anantajaya I. P. Dharmawan I.G.A.B. Adiputra I.G.A.D. Sasmita I.G.W. Artana I.N. Setiawan I.P.A. Wiranata I.W.B. Darmawan I.W.G.A Anggara Ida Ayu Dwi Giriantari Ida Ayu Putu Febri Imawati Ida Bagus A. Swamardika Ida Bagus Gede Manuaba Ida Bagus Gede Widnyana Putra Ida Bagus Ketut Sugirianta Ida Bagus Leo Mahadya Suta Ida Bagus Putra Setanu M Irwan Octopianus Silaban IW Gunarta J. Pangaribuan Jaya Kusuma, I Kadek Bagus Julius Mahendra Sihombing Kadek Hari Merta Kadek Sumariana Ketut Vidhia Kumara Komang Oka Saputra Kresna Aditya, I Putu Gede Lely Meilina Lie Jasa Lintang Pramudya Luh Ayu Sutawati M.R. Wicaksana M.T. S.T. I Wayan Sutaya . Made Dwi Mulyawan Made Pradnyana Ambara, Made Pradnyana Made Puji Dwicaksana Made Sudarma Mas Nyoman Ngadeg A. C. Moch. Farhan Arieffadillah Muhamat, Oscar Muhammad Malik Al Falah Mustika Wiyasa, I Kd N. A. Kartono N. M. A. Wijaya N. Surya Gunawan Natapathy, Ranga Bayu Ni Luh Gede Pivin Suwirmayanti, S.Kom, MT, Ni Luh Gede Pivin Ni Made Ary Esta Dewi Wirastuti Ni Made Neli Lestari Ni Wayan Ernawati Ni Wayan Sri Ariyani NM Karmiathi NMAE Dewi Wirastuti Oswald Mangatur, Christian Oya Iman Sanjaya P.G.G. Priajana Paisal, Muhammad Pande K. B. Sutawan Partogi Manalu, Eli Musa Reja Pramudya, Lintang Pranipata, IND Purna Suartawan, Gede Purnawati, Ita Ayu Purwania Ida Bagus Gede Putra Padang, Christian Felix Putu Martha Risnadinata R. Sapto Hendri Boedi Soesatyo Radha Kurniawan Raka Agung, I G A Putu Rosalia Hadi Rukmi Sari Hartati Rukmi Sari Hartati Sandrawati, Syafiatun Servinus Servinus Servinus, Servinus Setiawan, I N. Setiawan, IN Simon Junior Sinaga, P. M. Siregar, Jhon Septin Maourisdo Sudarma Made Sukerayasa, IW Surung Rafael Sihaloho Syamaidzar, Ahmad Luqyanto Tjok Gede Indra Partha Virgunia, D. A. W G. Ariastina W Widiadha Wayan Gede Ariastina Wayan Gede Ariastina Widagdo, Aris Widiandika Putra, I Wayan Dicky Widyadi Setiawan Windradharama W., A.A. G. Guna Wira Dharma, Gede Agus Yoga Divayana Yogiswara Dharma Putra Yohana Fransisca Sarumpaet Yoppy Hartantio