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All Journal Buletin Udayana Mengabdi Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) PROSIDING CSGTEIS 2013 JURNAL NASIONAL TEKNIK ELEKTRO 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) Majalah Ilmiah Teknologi Elektro

Wayan Gede Ariastina

Study Program Of Electrical Engineering, Faculty Of Engineering,Udayana University

Author-ID : 554089

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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KAJIAN KUAT MEDAN LISTRIK PADA KONFIGURASI HORISONTAL SALURAN TRANSMISI 150 KV I.P.H. Wahyudi; A.A.N. Amrita; W.G. Ariastina
Jurnal SPEKTRUM Vol 2 No 2 (2015): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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Kajian kuat medan listrik pada konfigurasi horisontal saluran transmisi 150 kV dilakukan untuk menganalisis karakteristik hasil pengukuran kuat medan listrik yang ditimbulkan saluran transmisi. Metode yang digunakan dalam penelitian ini dengan melakukan perhitungan kuat medan listrik dan melakukan pengukuran langsung di lokasi pengukuran. Perhitungan dan pengukuran kuat medan listrik menggunakan 7 titik yang berada di bawah konduktor saluran transmisi 150 kV. Selanjutnya, dilakukan analisis karakteristik hasil perhitungan dan pengukuran kuat medan listrik. Hasil perhitungan kuat medan listrik tertinggi berada di lokasi 3 sebesar 4040 V/m dan hasil pengukuran tertinggi kuat medan listrik terjadi di lokasi 3 sebesar 5387 V/m. Hasil perhitungan dan pengukuran tertinggi di lokasi ini disebabkan oleh jarak konduktor terhadap tanah lebih dekat dari lokasi yang lain. Karakteristik bentuk hasil perhitungan kuat medan listrik dengan jarak yang sama dari pusat titik perhitungan sama, disebabkan tegangan masing-masing fase tetap. Karakteristik hasil pengukuran kuat medan listrik pada masing-masing titik pengukuran berbeda. Perbedaan karakteristik tersebut disebabkan oleh waktu pengukuran kuat medan listrik di masing-masing titik pengukuran berbeda, sehingga tegangan pada masing-masing fase berubah-ubah.

PERKEMBANGAN PEMANFAATAN PLTS DI BANDAR UDARA DI DUNIA Abid Surya Bimantara; I Nyoman Satya Kumara; Wayan Gede Ariastina
Jurnal SPEKTRUM Vol 8 No 4 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Solar power plants in their application have reached the aviation business. There arealready many airports everywhere that use solar power plants as their electrical energy supply.Airports and airfields have a very high opportunity to accommodate solar technology because ofopen land space. The purpose of this research is to review the advantages or disadvantages ofairports solar power plants and conduct a survey of any airports in the world that already havesolar power plants. This research used data collected from journals, articles, and news on theinternet. Those data include airports that use solar power plants, solar power plantsestablishment year, airport category, airport location, airport solar power plants capacity, solarpower plants type. Hence, the review describes the advantages and disadvantages of PLTSand its specific site everywhere. The results show that 192 airports already use PLTS as anelectrical energy supplier. The Asian continent has 43 airports, and there are 5 airports solarpower plants in Indonesia. Most of the solar power plant uses an on-grid system

STUDI PENGARUH TIDAK BEROPERASINYA PLTSa SUWUNG TERHADAP PROFIL TEGANGAN PADA PENYULANG SERANGAN Gede Endrawadi; I Wayan Sukerayasa; Wayan Gede Ariastina
Jurnal SPEKTRUM Vol 5 No 2 (2018): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The power plant with renewable energy sources is needed to reduce the pollution. One of this kind is in Bali, that is PLTSa (Garbage Power Plant) Suwung. However, PLTSa Suwung is no longer operating for now. PLTSa Suwung is connected with Serangan feeder, this connection named Distributed Generation. When PLTSa Suwung doesn’t operate, it will affect the Serangan feeder’s voltage profile. The change of voltage profile will be analyzed with EDSA Technical 2000 Service Pack 3.5 software. The research will give five scenarios with different electrical power supply from each scenario. The gap of the voltage profile between scenario 1 (100% power supply from PLTSa) and scenario 5 (0% power suplly from PLTSa) is 0,0079% for medium voltage bus and 0,0062% for low voltage bus. This small gap shows that the connected PLTSa Suwung doesn’t give effect to voltage profile of Serangan feeder.

Analisis Rugi Energi Pada Jaringan Tegangan Rendah Sehubungan Dengan Penggantian Jenis Connector I Gede Budhi Arsana; Wayan Gede Ariastina; I Nyoman Setiawan
Jurnal SPEKTRUM Vol 4 No 1 (2017): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Rugi energi terjadi jika jumlah energi yang disalurkan tidak sama dengan energi yang diterima oleh konsumen tenaga listrik. Rugi energi merupakan salah satu parameter kualitas jaringan listrik. Rugi energi yang tinggi pada jaringan dapat mengakibatkan pula rugi tegangan yang tinggi, sehingga tegangan pelayanan menjadi turun. Menurut SPLN 1, 1995 tegangan pelayanan maksimum adalah +5 % dan minimun -10 % terhadap tegangan nominal. Salah satu cara untuk menurunkan rugi energi yang dilaksanakan oleh PT PLN (Persero) adalah dengan mengganti tap connector tiap sambungan jaringan tegangan rendah dengan connector type press. Penelitian ini menganalisis besarnya rugi energi yang terjadi sebelum penggantian dan setelah penggantian connector. Hasil analisis menunjukkan bahwa dengan dilaksanakannya penggantian tap connector, maka rugi energi pada jaringan tegangan rendah yang terhubung pada transformator DS105 dapat diturunkan sebesar 63,4327 Wh atau sebesar 23,2448%. Dengan kata lain, rugi energi dapat diturunkan dari 272,8896 Wh sebelum penggatian tap connector menjadi 209,4569 Wh setelah penggantian tap connector.

Analisis Pengaruh Harmonisa terhadap Rugi-Rugi Daya pada Sistem Tegangan Rendah dan Transformator GR088 di Penyulang Menjangan Salim Afif; I W. Sukerayasa; W. G. Ariastina
Jurnal SPEKTRUM Vol 5 No 2 (2018): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Menjangan feeder is a medium-voltage network system which distributes electricity throughout Gilimanuk and some areas in Buleleng. It has 69 distribution substations, which one of them, substation GR088, contributes to the highest value of the total harmonic distortion (THDi). In this research, the effect of harmonic distortions on losses at low voltage system of substation GR088 will be evaluated.The method used in this study is direct measurement of harmonic distortions at each low-voltage costumer whose electricity is generated by substation GR088 at Menjangan Feeder. Software is also used to perform harmonic load flow analysis and simulations. The total value of losses on transformer and low voltage system of substation GR088 Menjangan feeder, in a no-harmonic condition is 1481,7 Watt. On under-harmonic condition, the total value of losses is 1552,5 Watt. Therefore there is a 70,8 Watt difference between the two conditions. At this case, beside the heat created by the harmonic distortion that can affect the performance of transformers, it also cause a quite great value of losses, which is 1,7 kWh per day, or approximately 620 kWh per year. It means the harmonic distortion in substation GR088 can cause PT PLN (Persero) lose Rp.910.018,8 per year.

PERANCANGAN PEMBANGKIT LISTRIK TENAGA SURYA ATAP DI HOTEL NOVOTEL UBUD RESORT & SUITE BALI I Wayan Arta Saputra; I Nyoman Setiawan; Wayan Gede Ariastina
Jurnal SPEKTRUM Vol 8 No 3 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The service quality of a hotel is supported by a sustainable supply of electrical energy.Electrical energy at the Novotel Ubud Resort & Suite Bali hotel is supplied from PT. PLN.Source Power plant PT. PLN predominantly uses fossil fuels that are less environmentallyfriendly. The solution to this problem is to use renewable fuels to reduce environmental pollutionand as a source of electrical energy at the Novotel Ubud Resort & Suite Bali hotel. This studyaims to design a rooftop solar power plant at the Novotel Hotel Ubud Resort & Suite Bali. Theresults of the simulation of PLTS electrical energy production using the HOMER application.The feasibility of rooftop solar power plants using the NPV, PI and DPP methods. Based on thedata obtained, the Novotel Ubud Resort & Suite Bali Hotel consists of five flat and pyramidroofedbuildings with a total roof area of 2723 m2. This study uses 576 solar modules with atotal power output of 236.16 kWp and uses 3 inverters with a capacity of 80 kW. The results ofthe HOMER simulation show that the annual electrical energy production from PLTS is 377,083kWh. From the feasibility of PLTS has an NPV value of Rp. 633,125,923, the PI value is 1.25and the DPP value is 13.8 years. The results of this design can be said to be feasible becausethe NPV value is positive and is able to reverse the initial cost of PLTS for 13.8 years from theassumption for 25 years.

ANALISIS ALIRAN DAYA SISTEM KELISTRIKAN 150 KV BALI SAAT REKONDUKTORING SUTT GILIMANUK – NEGARA – ANTOSARI M.K. Huda; W.G. Ariastina; I W. Sukerayasa
Jurnal SPEKTRUM Vol 7 No 3 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The need for electricity that is growing rapidly on the island of Bali, makes PT PLN (Persero)seek strategic steps in serving customers. Gilimanuk - Negara - Antosari Reconductoring SUTT150 kV is one of the efforts made by PT PLN (Persero) to improve the reliability of the BaliElectricity System which is used to overcome power evacuation problems in the future.Reconductoring goes through a one-month trip phase in each circuit. For this reason, a study isneeded to identify the electricity system readiness by using a power flow analysis simulatorapplication.The simulation is done by extinguishing each of the 150 kV conductors in the BaliElectricity System alternately by taking into account four scenario namely before conducting areconductor, reconductor circuit 1, reconductor circuit 2, and after reconductor. Voltagerecording is carried out on each bus with a tolerance of + 5% Vnom, recording of the load iscarried out on each active 150 kV conductor with a maximum capacity of 80% Inom. The resultsof the simulation show that the anomaly is only obtained when the simulation of circuit 1reconductor works if SUTT 150 kV Gilimanuk - Celukan Onion trip, causing a load exceeding80% Inom on SUTT 150 kV Gilimanuk - Pemaron and SUTT Gilimanuk - Negara - Antosari 2.

PENENTUAN KONDISI TRANSFORMATOR BERDASARKAN KANDUNGAN GAS TERLARUT MENGGUNAKAN METODE SEGITIGA DUVAL I M.T. Sismantara; W.G. Ariastina; A.A.N. Amrita
Jurnal SPEKTRUM Vol 8 No 1 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Transformer failure may interrupt the electrical power delivery and causing a very highcost to the utility. In order to prevent failure in the transformer, continuous condition monitoringof a power transformer is necessary. Dissolved Gas Analysis (DGA) has been well knownmethod for transformer condition monitoring. A number of techniques have been developed inorder to assist engineers in interpreting the DGA test results. In this research, interpretation ofDGA test results using Fuzzy Logic approach based on Duval's Triangle is introduced. TheFuzzy Logic was developed based on the mapping of the different areas within the DuvalTriangle. The program validation was carried out by comparing the output program with thesimulated fault condition. The analysis results indicated that the introduced approach hassuccessfully determined the condition of the tested transformers. This approach, thus, wouldprovide advantages over the conventional method in determining the transformer condition.

STUDI PEMANFAATAN KOTORAN TERNAK UNTUK PEMBANGKIT LISTRIK TENAGA BIOGAS DI BALI Michael Candra Santoso; I. A. D. Giriantari; W. G. Ariastina
Jurnal SPEKTRUM Vol 6 No 4 (2019): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

In this journal, an analysis is carried out on the use of livestock manure for use as a biogas power plant in Bali Province. The purpose of this analysis is to find out how much potential electrical energy can be obtained from livestock manure to be developed into a biogas power plant in Bali Province. 8 types of livestock are used as analysis material including cattle, buffalo, goats, horses, sheep, pigs, chickens, and ducks. Livestock population data in Bali Province from 2013 to 2017 listed in the Livestock and Animal Health Statistics book obtained from the Directorate General of Animal Husbandry and Health (Ministry of Agriculture), is used as the base year of analysis to obtain the average value of the population level of each types of farm animals. The analysis of the total potential of electrical energy is done by calculating the total mass of manure per day, the percentage of dry matter content of each type of manure as well as the biogas that can be produced from each type of livestock according to the standards of the Ministry of Agriculture. The total potential of electrical energy can be obtained from the total amount of biogas produced, where 1 m3 of biogas can be converted into electrical energy of 4,7 kWh. Based on the results of the analysis conducted, the total biogas that can be produced is 246.130,81 m3 of biogas, or if it is converted into electrical energy equivalent to 1.156.814,81 kWh/day or around 1,16 GWh/day from the average total population livestock in Bali Province are 19.183.779 livestock.

PERKEMBANGAN RISET DAN PRODUK KOMERSIAL SISTEM PEMBERSIH PANEL SURYA Muhammad Malik Al Falah; I Nyoman Satya Kumara; Wayan Gede Ariastina
Jurnal SPEKTRUM Vol 8 No 4 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The cleanliness of the solar panels is one of the factors that affect the energyproduction of a solar power plant. Solar panel cleaning is a solution to keep solar panels cleanso that energy production can be optimal. This article reviews research developments andcommercial products for solar panel cleaning, with the result showing various applicabletechniques and commercial products for solar panel cleaning purposes. There are two distincttechniques used in solar panel cleaning, manual and automatic. The manual cleaning method isa method that conducts any action to operate the system manually by humans. The automaticcleaning method is a method that is controlled directly by the system without the need forhuman interference. Commercial solar panel cleaning products include telescopic polesequipped with brushes and water pumps, a robot that is permanently attached to the solar panelsupport construction equipped with dry clean and water clean methods, a robot with portablesystems using long roller brushes, a convenient robot which has a remote vacuum cleanersystem, to a mobile cleaning system using a robotic arm.

Co-Authors A I Weking A. A. Ngurah Bagus Budi Nathawibawa A. A. T. B. Artawan A. Ibi Weking A.A Ngurah Amrita A.A. Gede Ari Pawitra Putra A.I. Weking AA. M Pemayun Abdul Latif Abid Surya Bimantara Agus Selamet Duniaji Awgustus Patandean Bawa Adiputra C. G. I. Partha, C. G. I. C. G. Indra Partha D.Y. Manurung Derren, M. Dewa ayu Nancy Cahyani Dharmawan, N. B. Dony Septa Primadita DPD Suparyawan Gede Endrawadi Gede Ogiana Gede Sukadarmika Govinda Riawan 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 Kadek Hendy Wijaya I Kadek Krisna Yoga I Ketut Citra Adi Putra I M Suartika I M.T. Sismantara I N Satya Kumara 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. M.K. Huda M.T. S.T. I Wayan Sutaya . Made Sudarma mahadi putra Michael Candra Santoso Muhammad Fauzi Muhammad Hari Wijaya Muhammad Malik Al Falah N. A. Kartono N. B. Dharmawan N. Nuswantara 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 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

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