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All Journal Buletin Udayana Mengabdi Jurnal SPEKTRUM PROSIDING CSGTEIS 2013 Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Jurnal Ilmu Multidisplin Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Indonesia Sosial Sains Merkurius: Jurnal Riset Sistem Informasi dan Teknik Informatika Majalah Ilmiah Teknologi Elektro Jurnal SPEKTRUM Journal of Electrical, Electronics and Informatics

I Wayan Sukerayasa

Teknik Elektro Fakultas Teknik Universitas Udayana

Author-ID : 2932556

Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics Public Health Social Sciences

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PENGARUH JUMLAH FUNGSI KEANGGOTAAN PADA METODE FUZZY LOGIC TERHADAP HASIL PERAMALAN BEBAN LISTRIK JANGKA PANJANG Sani Renartha Kusuma; Rukmi Sari Hartati; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 7 No 1 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Electric load in Sumbawa Besar Regency from 2011 - 2018 experienced an average increase of ± 6.6%. The electric load for the following year is not yet known, so forecasting is needed. Electric load forecasting has an important role in the energy management system. Many methods can be used for forecasting, one of them is the fuzzy logic method. Fuzzy logic method consists of 3 components, those are Fuzzification, Fuzzy Inference System, and Defuzzification. Fuzzification is an important component of the fuzzy logic method, so the proper configuration is needed in order to produce forecasting that is close to the actual data. The simulation was carried out in 3 conditions, those are the first conditions (3 membership functions), the second condition (5 membership functions), and the third condition (7 membership functions). The third condition obtained a MAPE value of 2,42%, while the second condition was 3,34%, and the first condition was 6,51%. The third condition obtained the simulation results in 2026 at 24,75MW, while the second condition was at 23,26 MW, and the first condition was at 20,97MW. The third condition is the best condition in this study, because it has the smallest MAPE value.

PERANCANGAN PLTS ATAP ON GRID SYSTEM PADA KANTOR BADAN PERENCANAAN PEMBANGUNAN DAERAH PENELITIAN DAN PENGEMBANGAN KOTA PROBOLINGGO Allan Ardiansyah; I Nyoman Setiawan; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 8 No 4 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The rooftop on-grid PLTS system is commonly used by people from the household,commercial, to industrial sectors to reduce electricity bills from PLN. Based on PERMEN ESDM49 of 2018, the export value of electrical energy to the PLN electricity grid is 65%, and if energyexports are greater than energy bills, the rest will be stored and accumulated in the followingmonth. This is only valid for a maximum of 3 months, in the 4th month the remaining energyexport savings will be eliminated. Determining the right PLTS capacity makes the contribution ofPLTS in making bill savings more optimal. The office of BAPPEDA LITBANG Probolinggo Citywas used as the research location. The PLTS Scenario 1 design uses a capacity according tothe energy needs of the office, which is 21.6 kWp, and the PLTS Scenario 2 capacity is greaterthan the office energy requirement of 32.4 kWp. Based on the investment feasibility analysisusing the NPV, PI, and DPP methods, it shows that the Scenario 1 and Scenario 2 PLTSdesigns are feasible to run. PLTS Scenario 1 and Scenario 2 investment is Rp. 267,000,000and Rp. 395.85 million, respectively. The benefit of saving bills for 30 years of PLTS operation,in Scenario 1 is Rp. 406,863,069 or 152% of the total investment, while Scenario 2 is Rp.595,619,904 or 150% of the total investment.

PERANCANGAN PLTS ATAP DI GEDUNG GRAHA SEWAKA DHARMA I Gede Agus Januar Ariawan; Ida Ayu Dwi Giriantari; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 8 No 3 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The utilization of renewable energy can be a solution to support the supply of electricalenergy, one of which is the use of solar energy with rooftop solar panels. In this study, the roofof the Graha Sewaka Dharma Building was used as a location for the design of rooftop solarpower plants to be able to help with electrical energy needs and support government programsin developing the use of solar energy. The total roof area of Graha Sewaka Dharma Building is1,616.37 m2. This design uses a battery-free On-grid PLTS system using a Solaria PowerXT-400R-PM solar module with a capacity of 400 Wp and a Ginlong Solis S5-GC36K-LV inverterwith a capacity of 36 kW. This design will calculate the capacity of solar modules that can beinstalled and the electrical energy produced with the limitation of the roof area and load profile inthe Graha Sewaka Dharma Building. Based on the results of the study, the capacity of therooftop PLTS installed in the Graha Sewaka Dharma Building is 188.8 kWp with a total of 472solar module units and 6 inverter units. The energy output produced per year (energy yield) is306,2 MWh/year. The investment feasibility study using the methods Net Present Value,Profitability Index, and Discounted Payback Period shows that this design investment isfeasible. Further research is recommended to study the impact of reducing carbon emissions onthe use of the PV grid.

OPTIMASI TITIK INTERKONEKSI DISTRIBUTED GENER-ATION (PLTM MUARA) GUNA MEMINIMALKAN RUGI – RUGI DAYA MENGGUNAKAN METODE ARTIFICIAL BEE COLONY (ABC) PADA PENYULANG PANJI I Made Arya Supartana; Rukmi Sari Hartati; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 5 No 2 (2018): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Distributed Generation (DG) is a small power plant that can increase realibility, voltage profil, and reduce power losses in distribution network. DG interconnection locations that are less suitable can in/crease power losses. A possibility that can be done to reduce these power losses is by optimizing DG interconnection points. Optimization of the DG interconnection points on the feeder of Panji aims to minimize power losses, where the initial power losses occur at 48.2 kW. Optimization technique is using the Artificial Bee Colony (ABC) method with losses after simulation at 32.263 kW. When compared with the conditions before and after optimization there is a differ-ence in power losses of 16.035 kW, to a decrease in power losses of 33.2% from the previous loss.

SIMULASI UNJUK KERJA PLTS 1 MW KAYUBIHI JIKA MENGGUNAKAN SUN TRACKING SYSTEM I.P.A. Wiranata; I.N.S. Kumara; I.W. Sukerayasa
Jurnal SPEKTRUM Vol 6 No 4 (2019): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The Kayubihi PLTS is a PLTS with a capacity of 1 MWp. The Kayubihi PLTS solar module is installed in a fixed configuration, installed facing north with a tilt angle from the ground surface of 15 °. In a condition without a tracker, the Kayubihi PLTS generates an annual energy of 1656.2 MWh. In this paper a simulation will be carried out to find out how much energy the PLTS Kayubihi has when it has a sun tracker system installed. This tracker system simulation will be made in 2 scenarios. Scenario 1 uses a single axis tracker system where the solar module will move to follow the sun from east to west. Scenario 2 Kayubihi PLTS is equipped with a multi axis tracker system that moves in the direction of the sun from east to west and north to south. Simulations using a single axis tracker system produce annual energy of 2096.1 MWh. While simulations using the multi axis tracker system produce an annual energy of 2159.8 MWh. When compared with existing conditions, the use of a single axis tracker system gets an increase in energy of 439.9 MWh and if using a multi axis tracker system an energy increase of 503.6 MWh is obtained. The annual energy difference in the single axis tracker system with the multi axis tracker system is 63.7 MWh. The total cost of installing a single axis tracker system is Rp. 560,000,000 with 70 units of tracker and installing a multi axis tracker system amounting to Rp. 700,000,000. A total of 70 units of tracker. Keywords: Kayubihi PLTS, Single Axis Tracker System, Multi Axis Tracker System. At the results of the simulation of electricity sales, the tracker system is more profitable than the system without a tracker.

RANCANG BANGUN SISTEM PEMANEN ENERGI ANGIN EXHAUST FAN TURBIN ANGIN SUMBU HORIZONTAL DENGAN PENGARAH ANGIN (WIND TUNNEL) Reki Aji Saputra; Cokorde Gede Indra Partha; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 8 No 2 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Energy consumption in the current era is increasing and only focuses on the use of nonrenewableenergy in this case fossil energy, namely fuel oil which is limited in number and theprice is increasing. One solution is to use alternative energy that can be renewed or renewable,including water energy, solar energy, biomass energy, wind energy and others. Renewableenergy which has been widely used as electrical energy by developed countries is wind energy,in addition to the use of natural wind energy as alternative energy, there is also artificial wind,namely the waste energy from the exhaust fan can be used as a source of energy. analternative energy source option for Wind Power Plant (WPP). The characteristics of the windoutput from the exhaust fan itself spread the wind direction so that the wind energy that can becaptured by the wind turbine is less than optimal, so it is necessary to install a wind tunnel thatis useful for directing or focusing the wind distribution In this study, a wind tunnel has beendesigned which is placed in the direction of the exhaust wind output of the horizontal axis windturbine exhaust fan. With the addition of a wind tunnel, it can increase the wind speed from 3.3m/s to 5.8 m/s or an increase of 76% and power harvesters increase from 0.38 Watt to 0.96Watt or an increase of 153%.

PERANCANGAN SISTEM POMPA AIR DENGAN MEMANFAATKAN PLTS 20 KWP DESA TIANYAR TENGAH Bima Aditya Putra; I Wayan Sukerayasa; Cok Gede Indra Partha
Jurnal SPEKTRUM Vol 7 No 1 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Implementation of solar power plants in Bali, located in Karangasem Regency, Bali Province. In 2013, the Ministry of Energy and Mineral Resources built a 15 kWp and 20 kWp off grid small scale solar power plants pilot project in Tianyar Village, Kubu District, Karangasem Regency. 20 kWp Central Tianyar solar power plants and 15 kWp West Tianyar currently abandoned unused, Therefore in this study it will be discussed more deeply about 20 kWp solar power plants in Tianyar Village to optimize the use of solar power plants in tianyar village as a source of water pump drive. Designing a Water Pump System Using the 20 kWp solar power plants of Central Tianyar Village has a total Head Losses of 109,519 m, the pump used is 1 LEO 4XRm6 / 20-2.2 water pump with an average head of 110 m. The pipe used is a PVC pipe along the 1640 m with a diameter of 2 Inch. This design also uses 6 Elbow fittings, 90 ° Threaded Regular. The need for drinking and cooking water that is needed by residents of Tianyar Tengah Village Banjar Bukit Lambuh is 38,880 liters / day. This design can lift water needs of 38,400 liters / day or as much as 98.76% or as many as 1279 out of 1296 people who are met the need for clean water for drinking and cooking.

Efek Beroperasinya Kabel Laut Bali–Nusa Lembongan Terhadap Sistem Kelistrikan Tiga Nusa Yohanes Made Arie Prawira; Ida Ayu Dwi Giriantari; I Wayan Sukerayasa
PROSIDING CSGTEIS 2013 CSGTEIS 2013
Publisher : PROSIDING CSGTEIS 2013

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Abstrak—Sistem kelistrikan kawasan Tiga Nusa yang awalnya dioperasikan secara isolated, kini telah mendapatkan sumber suplai baru dari pulau Bali melalui kabel laut Bali–Nusa Lembongan. Dengan beroperasinya kabel laut, akan berpengaruh terhadap aliran daya, besar susut energi, dan tingkat keamanan suplai.Analisis diawali dengan melakukan peramalan beban hingga tahun 2033 menggunakan metode time series. Selanjutnya nilai load factor dan loss factor sistem kelistrikan Tiga Nusa dihitung, untuk digunakan dalam perhitungan susut energi. Analisis tingkat keamanan suplai akan menggunakan 3 skenario dengan penerapan kondisi n-1.Dari hasil analisis, diperoleh: besar susut energi tahunan sistem kelistrikan Tiga Nusa sebelum beroperasinya kabel laut ialah sebesar 201,48 MWh. Dengan mengoperasikan 2 line kabel laut Bali-Nusa Lembongan mengakibatkan susut energi sebesar 297,84 MWh, selanjutnya dengan mengoperasikan 1 line kabel laut mengakibatkan susut energi sebesar 407,34 MWh. Hasil analisis tingkat keamanan suplai sistem kelistrikan Tiga Nusa dengan beroperasinya kabel laut akan tetap aman hingga tahun 2033.Kata kunci—Kabel Laut; Aliran Daya; Susut Energi; Tingkat Keamanan Suplai

ANALISA PERENCANAAN PEMBANGKIT LISTRIK TENAGA SURYA SEBAGAI ENERGI PENGGERAK POMPA MINYAK PADA STASIUN PENGISIAN BAHAN BAKAR UMUM DI KOTA DENPASAR I Putu Juliawan; I Nyoman Setiawan; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Utilization of renewable energy as a source of electrical energy is an environmentallyfriendly energy development, one of which is the use of solar energy by developing solar PV onthe roof of buildings as a medium for installing solar modules. In this study, a rooftop solar PVplan was carried out at the Nangka Utara gas station as a source of electrical energy whichaims to reduce the cost of PLN electricity bills. The rooftop solar PV system at the Nangka Utaragas station uses an On-grid solar PV system without batteries, using 36 units of 415 Wpmonocrystalline solar modules and one 15kW inverter unit. Planning for rooftop solar PV of theNangka Utara gas station with a capacity of 14.9 kWp with the resulting energy production of20.43 MWh per year. The initial investment cost required is IDR. 101.179,000 with a paybackperiod of 5 years and 8 months.

PERENCANAAN PEMBANGKIT LISTRIK TENAGA SURYA DI TEMPAT OLAH SAMPAH SETEMPAT WERDI GUNA DESA GUNAKSA KABUPATEN KLUNGKUNG I Putu Dedi Wiriastika; I Nyoman Setiawan; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The use of renewable energy is a solution in the application of clean andenvironmentally friendly energy, one of which is the use of solar power with the PLTS system. Inthis study, the PLTS system planned at TOSS Werdi Guna is a PLTS-On Grid system without abattery with a ground mounted installation, the aim is to reduce the cost of electricity bills. PLTSplanning at TOSS Werdi Guna has a capacity of 32.6kWp with a number of 86 modules anduses 1 inverter unit with a capacity of 33kW. The energy production produced by PLTS for ayear is 52,955kWh. The total investment cost required is IDR 580,469,095 with a paybackperiod of 7 years and 4 months.

Co-Authors A A G M Pemayun A. A. G. M. Pemayun A. A. T. B. Artawan A. Dharma A. Jagad Miftahul Rizqy Agus Satrya Wibawa Allan Ardiansyah Anak Agung Istri Pandawani Anak Agung Ngurah Amrita Bagas Maruli Pangaribuan Bawa Adiputra Bima Aditya Putra C G I Partha C G I Partha C. G. I. Partha, C. G. I. C. G. Indra Partha Chandra Wimartono Manurung Cokorde Gede Indra Partha D. A. S. Santiari Derren, M. Dewa Ayu Sri Santiari Drs. I Wayan Darsana,M.Ed . Edyama Vasabri Genta Maulana Etis Meilandari Gede Agus Ryzky Martha Gede Endrawadi Gesta Winantara Giusna Dipankara Kusnandar I Dewa Gede Wisnu Agung Bayuna I G.N. Evan Aditya Pramana I G.N.A.B Rama Wahyu Dewangga I Gede Agus Januar Ariawan I Gede Dyana Arjana I K Agus Setiawan I K. S. T. Lilayoga I Kadek Adi Darmadi I Kadek Adi Febriana Putra I Komang Widi Astawa I M Dwijaksana I Made Agus Artha Putra I Made Agus Sastradiangga I Made Arsa Suyadnya I Made Arya Supartana I Made Gusmara Nusaman I Made Mataram I Made Wahyu Darmahesta I N Satya Kumara I N. A. P. Putra I N. B. T. Putra I N. Lanus I N. S. Kumara I N. Setiawan I N. Surata I Nyoman Budiastra I Nyoman Candra Erawan I Nyoman Cita Artawa I Nyoman Gunantara I Nyoman Setiawan I Nyoman Suprapta Winaya I Nyoman Susanta I Nyoman Sutarja I P. A. Edi Pramana I Putu Adi Wirajaya I Putu Andithya Chrisna Budi I Putu Dedi Wiriastika I Putu Juliawan I W. A. Wijaya I Wayan Arta Wijaya I Wayan Eka Prastia I Wayan Kharismata Mone Ede I Wayan Rinas I. G. G. B. Prabu Wisesa I. K. A. Wijaya I. K. Wijaya I. W. Dhanan Arieyasa I.A. Dwi Giriantar I.B.G. Manuaba I.G. Surya Subaga I.N. Setiawan I.P. Dika Putra Ariantika I.P.A. Wiranata I.W.A Wijaya Ian Rahmadi Kurniawan IBG Manuaba Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Gde Primayatna Igo Ari Syahputra Indra Baskara Intan Aprilia Medina Irene Trivania Jonathan Oliver Ken Joni Wijaya Fathoni Julius Mahendra Sihombing Juniastra Gina K. Cakrawenda Yoga Laksana K.Amerta Yasa K.H. Priadi Kadek Agus Nata Riadnyana Kadek Bayu Kusuma Ketut Gd Riski Dalem Mahotama Kholid Hidayatullah Komang Bagus Dwi Widiatama Putra komang jaryanta aryamantara Kresna Hadi Wijaya Kumara, I N. S. Kumara, I. N. S. l Gusti Ngurah Janardana Lie Jasa M.K. Huda Made Satria Tresnajaya Margareta Yuniari Martin Luhut Ariberthson Sihaloho Mawadah Wr Febriyani Miguel Nazario N. A. Kartono N. M. G. A. Krisnayani N. W. Sindi N.W. Budiantari Nasrul Faisal Neysa Amelia Hutagalung Ngakan Putu Satriya Utama Nurwijayanti Nyoman Ananda Tri Utami Nyoman S Kumara P A Mertasana Pande Ketut Sudiarta Pratolo Rahardjo R. S. Hartati R.S. Hartati Reki Aji Saputra Richard Antony Suatan Rukmi Sari Hartati Sahabat Nazara Salman Al Farisi Sani Renartha Kusuma Santiari, D. A. S. Sari, N. P. A. R. Sembiring, Rinawati Setiawan, I N. Setiawan, I. N. Sinaga, P. M. Solly Aryza Surung Rafael Sihaloho Suryo Aji Wicaksono Tjok Gede Indra Partha Tom Gerraldo Salomo Situmeang Virgunia, D. A. W. G Ariastina W. G. Ariastana Wahyudi Ernest Putra Wayan Agus Adi Widiastra Wayan Gede Ariastina Widianto, I. G. A. Yoga Kusuma Wardhana Yohanes Made Arie Prawira

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