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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) IAES International Journal of Artificial Intelligence (IJ-AI) Jurnal SPEKTRUM Bumi Lestari Transmisi: Jurnal Ilmiah Teknik Elektro IPTEK The Journal for Technology and Science TELKOMNIKA (Telecommunication Computing Electronics and Control) PROSIDING CSGTEIS 2013 Logic : Jurnal Rancang Bangun dan Teknologi Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Journal of Applied Science, Engineering, Technology, and Education Jurnal Sosial dan Teknologi Electron: Jurnal Ilmiah Teknik Elektro Jurnal Indonesia Sosial Sains VISA: Journal of Vision and Ideas Jurnal SPEKTRUM Journal of Electrical, Electronics and Informatics
Ida Ayu Dwi Giriantari
Jurusan Teknik Elektro Fakultas Teknik Universitas Udayana
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 Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics Public Health Social Sciences Other

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STUDI PENGURANGAN EMISI KARBON SISTEM KETENAGALISTRIKAN PROVINSI BALI: ANALISIS RUPTL 2021-2030 Aditya Perdana Putra Purnomo; Ida Ayu Dwi Giriantari; I Nyoman Satya Kumara
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.p1

Abstract

Indonesia's Nationally Determined Contribution (NDC) targets a 19 to 27% reduction in greenhouse gas (GHG) emissions from the energy sector compared to the business-as-usual scenario. Assuming this target applies uniformly to all provinces in Indonesia, including the power sector, a modeling analysis of Bali's power system is conducted to assess GHG emission reductions. Two scenarios are developed in the Low Emissions Analysis Platform (LEAP) to evaluate the future deployment of Bali's power system. The Business-As-Usual (BaU) scenario serves as the baseline for emission reduction in other scenarios and assumes the development of Bali's power system without emission reduction interventions. The RUPTL scenario assumes the continued development of Bali's power system in line with the electricity development plan document. Results show that the RUPTL scenario achieves a 20.89% reduction in emissions, which fulfills the regional assumption of a 19% NDC target. However, it falls short of achieving the 2030 target of 27% emission reduction.
PERANCANGAN SISTEM POMPA AIR SUNGAI YEH HA UNTUK MEMENUHI KEBUTUHAN AIR MASYARAKAT DESA ABABI Derren, M.; Ariastina, W. G.; Setiawan, I N.; Giriantari, I. A. D.; Sukerayasa, I W.; Satya Kumara, I N.
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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Abstract

Kayuan Yeh Ha serves as a clean water source located in Ababi Village, Karangasem Regency. The flow from Kayuan Yeh Ha is utilized for both bathing dan consumption by the surrounding residents. Originating from the Yeh Ha spring, Kayuan Yeh Ha is extensively utilized to fulfill the needs of the local community. In order to meet the water requirements of the local populace, a water storage tank with a capacity of 58.74 m3 was initially established to distribute water to 10 households. In the year 2020, a water wheel was employed to power a mechanical pump without electricity to fill the storage tank. After operating for one year, the water wheel experienced shaft damage, necessitating its replacement with a hydraulic ram pump. However, the hydraulic ram pump only utilizes one-fifth of the available water flow, thereby rendering it less effective. Consequently, this research aims to design an electric water pump system powered by a new renewable energy source. The implementation of this electric water pump is expected to enhance the efficiency of filling the storage tank. Based on measurements dan calculations, the micro-hydro power plant system (PLTMH) is estimated to produce a power output of 6kW. Pump selection is determined by electrical power calculations, water discharge, dan pump prices, leading to the adoption of the Pedrollo F50-160B centrifugal pump capable of delivering a water discharge of 56m3/hour at a head of 25 meters. The Pedrollo F50-160 pump utilizes a 3-phase squirrel cage induction motor generating a power output of 5.5kW. Pipe losses dan fittings are also calculated using Pipeflow Expert software, resulting in a water discharge of 31.687 m3/hour. The pump will be operated at maximum capacity for 24 hours, enabling it to deliver a water discharge of 763,620 m3/day, sufficient to meet the clean water needs of 12,277 individuals or 2,455 families. Achieving this water usage target also necessitates piping to households from the storage tank, totaling 35,900 meters in length with an 80mm diameter dan 49,100 meters of 16mm diameter piping. This system is also equipped with a variable frequency drive or inverter device to enhance the efficiency of the electric pump dan reduce starting current surges, simulated for its performance through Simulink software.
POTENSI PENGHEMATAN BIAYA TAGIHAN LISTRIK PASCA PEMASANGAN PLTS ATAP GEDUNG RUSUNAWA UNIVERSITAS UDAYANA Widiandika Putra, I Wayan Dicky; Ariastina, Wayan Gede; Dwi Giriantari, Ida Ayu; Setiawan, I Nyoman; Sukerayasa, I Wayan; Satya Kumara, I Nyoman
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p12

Abstract

The limited availability of natural resources and the impact on the environment that regularly using fossil-based electricity become the basis for the government to develop renewable energy. One of the potential uses of renewable energy in Indonesia is a rooftop solar power plant which in its design does not require a large area of land and space for the placement of solar modules. This research designing rooftop solar power plants with an on-grid system on the Udayana University Rusunawa building with the capacity scenario of 20 kWp, 15 kWp, and 10 kWp using HelioScope. Based on the results of rooftop solar power plants production can be seen the potential cost savings of electricity bills each year. Based on the results of the design for rooftop solar power plants scenario, the number of solar modules obtained is 40 pieces, 30 pieces and 20 pieces with potential savings in electricity bill costs of Rp. 33.391.515, Rp. 28.933.478 and Rp. 23.269.285 per year.
SIMULASI DAN ANALISIS DAMPAK PLTS SKALA BESAR DAN BESS TERHADAP SUSUT DAYA SISTEM KELISTRIKAN NUSA PENIDA Caesar, B; Kumara, INS; Sukerayasa, IW; Giriantari, IAD; Setiawan, IN; Ariastina, WG
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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Abstract

Nusa Penida island is one of the famous tourist destinations in the province of Bali. Increased tourism activities on Nusa Penida island has led to an increase in demand for electricity. In response, PT. PLN (Persero) has made great efforts to improve the quality of the power supply system in Nusa Penida to meet the increasing energy demand. As a concrete step, PT. PLN (Persero) has established a 4,2 MWp Solar Power Plant (PLTS) and a 1,84 MWh Battery Energy Storage System (BESS) to provide electrical energy to Nusa Penida. This research aims to analyze the impact of PLTS and BESS on power losses in the electrical power supply system in Nusa Penida. The electrical system of Nusa Penida simulated using the demo version of the power system dynamics simulation software. The simulation electrical system of Nusa Penida conducted under four different conditions. The results of the simulation show that both PLTS and BESS have a positive impact on power loss of electrical system in Nusa Penida.
PERANCANGAN PLTS ATAP DI GEDUNG KANTOR BUPATI JEMBRANA Yusuf Firmansyah, Ahmad; Dwi Giriantari, Ida Ayu; Sukerayasa, I Wayan
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p13

Abstract

According to the Ministry of Energy and Mineral Resources, in the year 2020, Indonesia possessed an electricity generation capacity of 70.96 Gigawatts. Out of this capacity, 35.36% was derived from coal, 19.36% from natural gas, 34.38% from oil, and only 14.96% from Renewable Energy sources. In order to accelerate the adoption of Renewable Energy, in accordance with the Governor of Bali Regulation No. 5 of 2022, there was an encouragement to utilize rooftop Solar Power Generation (PLTS) amounting to at least 20% of the installed electricity capacity or the roof area of both new and existing Government buildings, whether at the Central or Regional levels. Therefore, a rooftop PLTS design for the Jembrana Regency Office Building was essential to support the transition to cleaner energy. The rooftop PLTS design was carried out using the Helioscope software. The rooftop PLTS design for the Jembrana Regency Office Building showed that for the scenario involving the entire roof area, it could generate 174.15 MWh in one year, which translates to 42.51% of the total electricity demand. Meanwhile, for the scenario involving only the North-facing roof, the rooftop PLTS could produce 96.55 MWh in one year, equivalent to supplying 23.57% of the total electricity demand.
PERANCANGAN PEMBANGKIT LISTRIK TENAGA SURYA (PLTS) PADA ATAP GEDUNG PARKIR BANDAR UDARA INTERNASIONAL I GUSTI NGURAH RAI Wira Dharma, Gede Agus; Giriantari, Dwi; Sukerayasa, I Wayan; Setiawan, I Nyoman; Ariastina, Wayan Gede; Satya Kumara, I Nyoman
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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Abstract

Using sustainable energy as a source of electrical energy is a safe way to increase ecosystem energy. One of them is the utilization of photovoltaic directed energy by upgrading the PLTS on top of the structure as a mechanism for introducing photovoltaic modules. The study finalized the plan to install PLTS on the roof of the I Gusti Ngurah Rai Airport parking lot as a source of electrical energy to reduce PLN electricity bills. The I Gusti Ngurah Rai Airport Parking Roof Solar Power Plant uses a battery-free on gridsystem with 600 units of 555Wp monocrystalline solar-based modules and four 100kW inverter units. The solar power plant to be built on the car park of Terminal I Gusti Ngurah Rai will have a capacity of 333kWp and will produce 604.929kWh of energy annually. The required speculation cost is Rp 3.004.620.000 and payback period for 6 years.
PERANCANGAN POWER SUPPLY UNTUK CHARGING STATION KENDARAAN LISTRIK RODA DUA DENGAN SISTEM PLTS ON GRID Nadhif Dewayana, Zevardy; Setiawan, I Nyoman; Dwi Giriantari, Ida Ayu
Jurnal SPEKTRUM Vol 11 No 1 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2024.v11.i01.p14

Abstract

Electric vehicles use electrical energy as a substitute for fossil energy. Like gasoline vehicles that require gasoline filling facilities, electric vehicles also require electric energy charging facilities or commonly referred to as charging stations. One of the utilizations of solar power plant can be used for charging electrical energy at the charging station. In this study, a Power Supply Design was carried out for Charging Station for Two-Wheeled Electric Vehicles with Solar Power Plant System on grid in Widya Sabha Building Parking Lot, Udayana University. With the calculation of the energy needed in the Power Supply, the solar power plant design and manufacturing costs can be made. The design of this charging station can accommodate 10 electric motorbikes with solar power plant that can provide energy for 2 electric motorbikes per day for 9 hours of work alternately. By using 11.450 Wp solar panels arranged in series and 1 inverter with a capacity of 4.6 kW, this design produces 8.229 MWh per year. The total initial investment in this design based on market prices in Indonesia is IDR 99.213.000. Based on the investment feasibility, it shows that the investment in this design is feasible to implement.
ANALISIS EKONOMI SISTEM PLTMH DAN POMPA AIR SUNGAI YEH HA DI KABUPATEN KARANGASEM Leba, G. I. M.; Sukerayasa, I. W.; Ariastina, W. G.; Giriantari, I. A. D.; Kumara, I. N. S.
Jurnal SPEKTRUM Vol 11 No 1 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2024.v11.i01.p28

Abstract

Yeh Ha River in Ababi Village, Karangasem Regency, is a bathing spot utilized by locals for various purposes, fed by the Yeh Ha spring. Among its uses is filling a water tank with a capacity of 58.74 m3 to distribute water to 10 households. Initially, a waterwheel powered a mechanical pump without electricity. However, due to damage, a less efficient hydraulic ram pump replaced the waterwheel. The research aims to design a Microhydro Power Plant (PLTMH) and a water pump system. With these systems, it's expected to enhance the efficiency of filling the water tank and ensure project sustainability through economic analysis. Measurements indicate that Yeh Ha spring has a flow rate of 0.201 m3/s with a head of 4.6 m. Based on this, a crossflow turbine equipped with a centrifugal pump and variable frequency drive is chosen to meet the water needs of 12,277 people or 2,455 families. The investment for the PLTMH and water pump system is Rp3,191,330,505 with a project's economic life of 30 years. Feasibility analysis shows that the design is viable, with a positive net present value of Rp1,534,531,357 and Rp930,180,420 at discount rates of 10% and 12%, respectively. However, the benefit-cost ratio (BCR) is less than 1, at 0.48 and 0.29. The internal rate of return (IRR) is 17.6% and 15.5%, with a break-even point of 2,699,253 m3 sold, requiring a payback period of 9 years at a 10% discount rate and 10 years and 4 months at a 12% discount rate.
PERENCANAAN PEMBANGKIT LISTRIK TENAGA SURYA SEBAGAI CATU DAYA PADA SISTEM POMPA AIR DI SUMUR BOR ABIANSEKA II Ananta Mahanata, I Gusti Putu; Dwi Giriantari, Ida Ayu; Setiawan, I Nyoman
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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Abstract

To accelerate the increase in the use of New Renewable Energy (EBT) in Bali Province in accordance with the General Regional Energy Plan (RUED), the Bali Provincial Government issued Bali Governor Circular Letter (SE) Number 5 of 2022. One of the applications of this letter is investment planning and analysis installation of a Solar Power Plant (PLTS) at the Abianseka II drilled well in Batuan Kaler Village, Gianyar. The Abianseka II drilled well is equipped with 4 pumps which on average consume 25,093.33 kWh of electricity per month. Based on the survey, the land available at the Abianseka II drilled well is sufficient for the installation of Ground Mounted PLTS covering an area of 478.5 m2. Therefore, it was decided to use 83 Jinko Solar JKM610N-78HL4-V 610 Wp modules with a total capacity of 50.6 kWp, as well as 1 LivoLtek 60 kW inverter and PLTS are capable of producing annual energy of 82,783 MWh, and have a performance ratio of 82.3%.
KAJIAN EKONOMI PEMANFAATAN PLTS ATAP DI GEDUNG RUMAH JABATAN GUBERNUR PROVINSI BALI Diva Aristia, Gusti Bagus; Dwi Giriantari, Ida Ayu; Sukerayasa, I Wayan
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p33

Abstract

To meet the high demand for electrical energy, an alternative solution that can be applied is the use of New and Renewable EnergyIndonesia targets to achieve Net Zero Emissions (NZE) by 2060. Planning for a rooftop PLTS at the Office of the Governor of the Province of Bali is expected to be able to assist in the expansion of PLTS in the Province of Bali in terms of strengthening Governor Regulations/Regional Regulations that support the use of Solar Power Plants. The design of the rooftop PLTS at the Bali Province Governor's Office Building was carried out using 4 scenarios. Scenario 1 is a design that utilizes the roof area facing the north side. Scenario 2 is by utilizing the roof area only to meet the peak load of the building. Scenario 3 is a design that utilizes the entire roof area of the building that best meets the criteria. Meanwhile, scenario 4 is scenario 2 but uses a microinverter device. The Scenario 2 PLTS design is studied economically because the return on investment is the fastest compared to the other scenario PLTS designs. Based on the economic feasibility analysis of the investment, scenario 2 design has a Net Present Value (NPV) of Rp. 158,771,001, Profitability Index (PI) of 1.32 and a Discounted Payback Period (DPP) of 10.7 years.
Co-Authors Abinanda , IKPT Aditya Perdana Putra Purnomo Agus Ryzky Martha, Gede Agus Selamet Duniaji Ananta Mahanata, I Gusti Putu Ariastina, WG Awgustus Patandean Ayu Anggasari, Ni Luh Bagas Maruli Pangaribuan Baskara Formasakti Bhuana, I.G.A.T. C. G. Indra Partha Caesar, B Cecep Yudhie Rachmat D. A. S. Santiari Derren, M. Dewa Made Wiharta Dewa Nyoman Tri Budiantara Dewa Putu Ari Laksana Diva Aristia, Gusti Bagus Duman Care Khrisne Gallant Pradika Gede Agus Ryzky Martha H. Kristiawan Harahap, RS I G.N.A.B Rama Wahyu Dewangga I Gde Antha Kasmawan I Gde Ari Biantara I Gede Agus Januar Ariawan I Gede Civavisna Brahma I GN Dion Adiputra I Gusti Made Ngurah Desnanjaya I Gusti Ngurah Adhy Pradhana I Gusti Ngurah Winanda Wijaksana I Gusti Putu Mastawan Eka Putra I K. S. T. Lilayoga I Kadek Adi Darmadi I Kadek Adi Febriana Putra I Kadek Juniarta I ketut Gede Darma Putra I Ketut Jati I Ketut Wiryajati I Komang Ogik Parmana Putra I Komang Widi Astawa I Made Aditya Nugraha I Made Agus Sastradiangga I Made Anom Sutrisna Wijaya I Made Dwi Ardiada I Made Sankhya Pranata Adiguna I MADE SUDARMA I Made Wahyu Darmahesta I N Satya Kumara I N. A. P. Putra I N. S. Kumara I N. Setiawan I Nengah Widiana I NS Kumara I Nyoman Budiastra I Nyoman Cita Artawa I Nyoman Setiawan I Nyoman Setiawan I NYOMAN WIJAYA I Putu Adi Pradnyana Wibawa I Putu Andithya Chrisna Budi I Putu Arsikaputra I Putu Eka April Yanto I Putu Putrayana Wardana I W A WINARTA I Wayan Ambarayana I Wayan Arta Wijaya I Wayan Raka Ardana I Wayan Sukerayasa I Wayan Sukerayasa I Wayan Supartha I. K. G. D. Putra I. N. S. Kumara I. P. Krisna Darma Putra I. W. Sukerayasa, I. W. I.G.A.B. Adiputra I.G.A.D. Sasmita I.N.S. Kumara I.N.S. Kumara, I.N.S. I.W. Sukerayasa, I.W. I.W.G.A Anggara Ida Bagus A. Swamardika Ida Bagus Ketut Sugirianta IGA Andita Putra IGA Sri Melati Intan Aprilia Medina Intan Aprilia Medina Junivan Junivan Kadek Agus Nata Riadnyana Kadek Dwi Damarian Kavlin Rafhel Panjaitan Kenny Angel Manik komang jaryanta aryamantara Kumara, I N. S. Kumara, I. N. S. Laili Asdiyan Salsabila Ayu Leba, G. I. M. Lie Jasa Linawati Linawati Linawati Linawati Luh Ria Atmarani M Sudarma M. Sudarma M.R. Wicaksana M.T. S.T. I Wayan Sutaya . Made Aryawan Made Sudarma Made Sudarma Made Sumantera mahadi putra Marcelinus Anggiat Situmorang Margareta Yuniari Michael Candra Santoso N. A. Kartono N. M. G. A. Krisnayani N. W. Sindi Nadhif Dewayana, Zevardy Natapathy, Ranga Bayu NEVIATY PUTRI ZAMANI Ngakan Satria Utama Ngurah Indra ER Ni Made Neli Lestari Ni Made Wartini Norberto Soares Oya Iman Sanjaya P. M. Prihatini P.A. Sujana Partogi Manalu, Eli Musa Reja Poppy Diana Sari Pranipata, IND Purna Suartawan, Gede Putu Manik Prihatini Richard Antony Suatan Risky Aswi R, Risky Rukmi Sari Hartati Santiari, D. A. S. Setiawan, I N. Setiawan, I.N. Setiawan, IN Setiawan, Putu Ayu Citra Simon Junior Sinaga, P. M. Sugirianta, Ida Bagus Ketut Sukerayasa, IW Suriana, I Wayan Swamardika, IB. Alit Tjok Gede Indra Partha Virgunia, D. A. W. G Ariastina W.G. Ariastina Wahyudi Ernest Putra Wayan Gede Ariastina Wayan Gede Ariastina Widiandika Putra, I Wayan Dicky Widianto, I. G. A. Wira Dharma, Gede Agus Wulandari, NKN Yohanes Made Arie Prawira Yudha Anggara Putra Yusuf Firmansyah, Ahmad