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All Journal Buletin Udayana Mengabdi Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro Jurnal Ilmiah Kursor INTECOMS: Journal of Information Technology and Computer Science Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Journal of Law and Social Politics Majalah Ilmiah Teknologi Elektro Majalah Ilmiah Teknologi Elektro
A.A Ngurah Amrita
Department Of Electrical Engineering, Udayana University, Denpasar
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Social Sciences

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Design Web Dashboard Monitoring Plant Factory Experimental Garden Faculty Of Agriculture, Udayana University Suartama, Putu Dandy; Amrita, Anak Agung Ngurah; Khrisne, Duman Care
Journal of Law and Social Politics Vol. 1 No. 3 (2023): Journal of Law and Social Politics
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jlsp.v1i3.26

Abstract

Information technology is now always experiencing a rapid increase in its use, one example is the website. Website is a collection of web pages, summarized in a domain, which is located in the World Wide Web (WWW) on the internet. This information media is useful in various fields, one of which is in agriculture. Where the information provided can help farmers in providing better results. One of the problems in agriculture that can be seen is related to the tropical climate in Indonesia. This greatly affects environmental conditions and can cause farmers to experience crop failure. One solution that can be done in this scope is with a plant factory. Where the plant factory is a technological concept that facilitates the formation of the right and good environment for plant growth, easy to control, does not require large land and is applied indoors. In its application, the plant factory still has shortcomings related to its information media. In this study, a monitoring website dashboard was designed to function as a medium of information on the plant factory. In system design, where the website is built using several components such as HTML, PHP, MySQL and Laravel Framework. To determine the performance of the system, testing is carried out with the black box method which aims to test on application details such as the appearance of the application, functions in the application, and the suitability of the function flow with the desired process then with the system usability scale (SUS) method. Where the measurement of the quality of web-based information systems, to evaluate the level of user satisfaction with the system services.
Rancang Bangun Alat Kontrol dan Monitoring Konsumsi Listrik Lampu Penerangan Jalan Umum Berbasis Mikrokontroler ATMega 2560 Surya Puja Anggara; A.A Ngurah Amrita; Duman Care Khrisne
Jurnal Teknologi Elektro Vol 17 No 3 (2018): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2018.v17i03.P18

Abstract

Abstract—Public street lighting (LPJU) is a road infrastructure that is very important for road users at night. The constraints faced by User managers in an area in LPJU management are the problem of maintenance, monitoring, electricity consumption, and limited workforce. In an effort to overcome this problem, this study designed a tool in the LPJU system that can control LPJU ignition according to user needs by combining the timer and light sensor functions, and can monitor electricity consumption by calculating the power consumption or kWh meter and recording data on accumulation of electric power consumption every day at 06.00 WITA automatically stored on the micro SD Card. The accumulated data last recorded for 1 (one) month at the beginning of each month at 08.00 WITA will be sent using SMS services to users periodically. In addition, the user can monitor at any time with the "lapor" SMS format, the monitoring data sent in the form of the last electrical power consumption used by LPJU at that time.
Optimasi Penempatan Recloser untuk Meningkatkan Keandalan Menggunakan Metode Virus Evolutionary Genetic Algorithm (VEGA) Novadianto Yudha Irawan; Anak Agung Ngurah Amrita; Widyadi Setiawan
Jurnal Teknologi Elektro Vol 17 No 2 (2018): (May - Agustus) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2018.v17i02.P03

Abstract

Kutampi Diesel Power Plant that supplies the Lembongan Island electrical system has a reliability value index that has not met the standard with SAIDI 95.85 hours / customer / year and SAIFI 76 times / customer / year while the WCS standard for SAIDI is 2.5 hours / customer / year and SAIFI is 3 times / customers / year. Reliability value can be improved one of them by adding recloser. The addition of the recloser should pay attention to the area of frequent interference, the percentage of load and impedance of the electricity system. The VEGA method was used to determine the optimal recloser location by minimizing the SAIDI and SAIFI values. The result of the optimization method using VEGA shows optimal recloser location in the group 5 with the highest fitness 8,8396 with SAIDI 0,0070 hour / customer / year and SAIFI 0,0061 times / customer / year with program running time ± 3,6 minutes. These values indicate the VEGA method is more accurate than the fuzzy and genetic algorithm combination method but requires a longer running time.
Rancang Bangun Sistem Monitoring Listrik Tiga Fasa Berbasis Wireless Sensor Network Menggunakan LoRa Ra-02 SX1278 Aditya Pratama; A. A. Ngurah Amrita; Duman Care Khrisne
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i02.P20

Abstract

Electricity monitoring is making to determine the quality of electricity used. Currently, electricity monitoring is still done manually together with it requires a system that can measure the electrical parameters automatically. Therefore, an electrical monitoring system is designed for a three-phase system based on a wireless sensor network (WSN) using LoRa communication. The system consists of a transmitter node as a measured voltage, current, frequency, power factor, and active power using the PZEM-004T module. The receiver node is a gateway that receives data from the transmitter node used LoRa transmission and then forwards the data to be stored in a database using the internet network. The receiver node is equipped with backup data when the node receiver cannot be connected to the internet network. Finally, web monitoring is designed to make it easier for users to access electricity monitoring data online. Web monitoring will display data onto voltage, current, frequency, power factor in a single-phase system and active power in the form of the three-phase system into tables and graphs.
ANALISIS PENYEIMBANGAN BEBAN PADA TRANSFORMATOR DISTRIBUSI MENGGUNAKAN METODE FUZZY I Putu Weda Suryawan; Anak Agung Ngurah Amrita; Widyadi Setiawan
Jurnal Teknologi Elektro Vol 17 No 1 (2018): (Januari - April) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2018.v17i01.P19

Abstract

Load Balancing is basically provide the load on the transformer is in accordance with its capacity. Load Balancing is done on a transformer KA 0223 which supported by Bunisari Feeder and powered by the GI Pesanggaran. A transformer is located on Kubu Anyar Street Legian Kuta with the installed capacity of 200 kVA. The Transformer brand used is Starlite. The number of customers in a transformer KA 0223 as much as 173 customers. Measurement of load current is done at peak load that is at night. The data of measurement result then processed using Fuzzy method to get balanced result, the percentage of unbalance of load according to ANSI / IEEE Std 446-1987 is 5% and to know the point of customer that must be added or subtracted. The data used in 2015 are in January and June, 2016 in January and June, in 2017 in January. Measurement results in the year 2017 January 1st semester percentage of load unbalance before using the Fuzzy method of 13.5%. After using the Fuzzy method, the percentage of load unbalance is much better than before at 2.5%. The measurement result of 2015 in 2sd semester is said to be balanced, because the percentage of load unbalance is equal to 5%. After using Fuzzy method, the percentage of load unbalance is much better than before that is equal to 2.2%. This proves that the program can work when the system is either balanced or not.
Rancang Bangun Purwarupa Pengusir Burung Otomatis Dengan Memanfaatkan IoT dan Sumber Energi Surya di Gardu Induk Nusa Dua Priambodo, Saga; Havivi, Hoirur Rosiqin; Amrita, Anak Agung Ngurah; Shandyasa, I Wayan
INTECOMS: Journal of Information Technology and Computer Science Vol. 8 No. 4 (2025): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/2gfkwh53

Abstract

Keberadaan gardu induk dalam sistem tenaga listrik mutlak diperlukan. Gardu induk sendiri merupakan suatu instalasi yang terdiri dari peralatan listrik yang berfungsi untuk mengubah daya listrik tegangan tinggi menjadi tegangan tinggi atau tegangan menengah lainnya. Untuk mendukung kelancaran penyediaan tenaga listrik dan menjamin kontinuitas kelistrikan, kemampuan peralatan yang ada di gardu induk sangat perlu mendapat perhatian khusus, seperti pengawasan dan perawatan secara berkala. Misalnya saja di Gardu Induk Nusa Dua yang lokasinya dekat dengan pantai dan hutan mangrove, banyak terdapat burung-burung liar yang berkeliaran dan mencari makan atau bahkan membuat sarang di area Gardu Induk Nusa Dua. Keberadaan burung-burung liar tersebut tentu dapat mengganggu operasional gardu induk, seperti membuang kotoran dan membuat sarang di peralatan listrik gardu induk. Burung-burung liar tersebut akan hinggap di peralatan yang ada di gardu induk dan tidak jarang juga akan membuang kotoran di peralatan yang dihinggapinya. Kotoran yang tidak dibersihkan lama-kelamaan akan mengeras dan dapat menimbulkan gangguan berupa titik api dan korsleting pada peralatan. Gangguan hotspot dan arus pendek pada gardu induk merupakan kendala yang tidak diinginkan oleh penyedia listrik dalam mengoperasikan sistem kelistrikannya. Maka dari itu kelompok kami berencana untuk membuat sebuah prototipe yang dapat memancarkan gelombang suara dengan frekuensi yang tidak disukai burung dengan memanfaatkan IoT dan sinar matahari sebagai sumber tenaganya. Dengan begitu, alat ini dapat dioperasikan melalui internet dan memiliki sumber energi sendiri, sehingga dapat dioperasikan dengan mudah dan dapat ditempatkan di tempat yang sulit dijangkau tanpa memerlukan perawatan yang berarti.
Pembuatan Pembangkit Listrik Termoelektrik pada Kompor Berbahan Bakar Pellet Biomassa Kayu Karet Devanka Arya Levin; Jonatan Sinurat; Anak Agung Ngurah Amrita; Ida Bagus Gede Manuaba
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.v4i3.6818

Abstract

Biomass is one of the materials that can be utilized as fuel. To ensure optimal quality, effective management of biomass is required to maximize its potential. One possible approach is the application of a biomass stove fueled by rubber wood pellets. By integrating a thermoelectric generator, data can be obtained to determine whether all aspects meet the established standards. This system is designed to generate electrical energy from combustion heat, supported by components such as a buck-boost converter and a 3V DC lamp. Testing was carried out using proximate and ultimate analyses on the fuel as well as the Water Boiling Test (WBT) on the stove, referring to SNI 8021:2020 and SNI 8021:2014 standards. The results showed that rubber wood pellets contained 7.64% moisture and had a calorific value of 4050 kcal/kg. The stove demonstrated an efficiency of 23.53%–37.28% and a fuel consumption rate of 0.61–0.77 kg/hour, both of which meet the requirements. In addition, the thermoelectric generator produced a voltage of 3.6 V and an electric current of 0.05 A, which are higher than those reported in previous studies (2.06 V and 0.01 A, respectively). Therefore, this thermoelectric biomass stove system is considered successful and feasible for further development as an alternative energy application.
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. Ibi Weking A.I. Weking ADITYA PRATAMA Agus, M.N. Ardyono Priyadi Aveliano Tandrianto Devanka Arya Levin Dharmawan, N. B. Duman Care Khrisne Gede Sukadarmika Gunawan, J.N. Havivi, Hoirur Rosiqin Hery Purnomo I G.N N. Santhiarsa I Gede Dyana Arjana I M.T. Sismantara I Made Mataram I Made Satriawan I N.K. Setiada I Nyoman Agus Junaedi I Nyoman Budiastra I Nyoman Oksa Winanta I Nyoman Setiawan I Putu A.B. Artha Wiraguna I Putu Weda Suryawan I Wayan Shandyasa I Wayan Sukerayasa I.B.G. Manuaba I.G.N. Adi Kurniawan I.M. Suartika I.N.Y. Prayoga I.P.H. Wahyudi IBG Manuaba Ida Bagus A. Swamardika Ida Bagus Gede Manuaba Jonatan Sinurat Komang Oka Saputra l Gusti Ngurah Janardana Lie Jasa Linawati . M.S. Ugustra N. B. Dharmawan N. Nuswantara Novadianto Yudha Irawan Nyoman Putra Sastra Pratolo Rahardjo Priambodo, Saga Putu Vendi Arya Wibawa R. S. Hartati, R. S. Rezky Setyawan Rukmi Sari Hartati S.K. Supriana Salsabila, Unik Hanifah Santiari, Dewa Ayu Sri Sihaloho, Martin Luhut Ariberthson Situmeang, Tom Gerraldo Salomo Suartama, Putu Dandy Surya Puja Anggara Tjok Gede Indra Partha Trivania, Irene Wayan Gede Ariastina Widyadi Setiawan