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All Journal Jurnal SPEKTRUM Jurnal Spektran Majalah Ilmiah Teknologi Elektro PROSIDING CSGTEIS 2013 Jurnal RESISTOR (Rekayasa Sistem Komputer) Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Journal of Applied Science, Engineering, Technology, and Education Prosiding Seminar Nasional Official Statistics Majalah Ilmiah Teknologi Elektro Merkurius: Jurnal Riset Sistem Informasi dan Teknik Informatika

I Nyoman Setiawan

Program Studi Teknik Elektro, Fakultas Teknik UNUD

Author-ID : 1728648

Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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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.

Natural Deys from Fruit Waste as a Sensitizer for Dye Sensitized Solar Cell (DSSC) I Nyoman Setiawan; Ida Ayu Dwi Giriantari; Wayan Gede Ariastina; Ida Bagus Alit Swamardika; Agus Selamet Duniaji; Nyoman Satya Kumara
Journal of Electrical, Electronics and Informatics Vol 1 No 1 (2017): JEEI (February 2017)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2017.v01.i01.p06

Dye-sensitized solar cell (DSSC) is one of the potential candidates for the next generation solar cells. One of the most attractive features of the DSSC is the low production costs. The utilization of natural dyes is a new area for investigation due to their unique capability to absorb photons from natural sunlight or artificial light and convert it into electric current. The purpose of this study is to determine the potential of natural dye from red dragon fruit waste as a dye sensitizer. Red dragon fruit peel is initially extracted using methanol and the solution absorption spectra then is characterized using UV-Vis spectrophotometer. The absorption spectra is measured within a wavelength range of 400-800 nm. The characterization results show that the maximum absorption spectrum is at a wavelength of 446 nm. The natural dye solution then is used to immerse Fluorine Tin Oxide (FTO) coated with titanium dioxide (TiO2). The glass FTO is immersed in the dye solution for 24 hours. DSSC then is prepared by sandwiching the working electrode and counter electrode. An electrolyte solution is used to fill the interface between the two electrodes. The current and voltage (I-V) characteristics of DSSC is finally measured using amperemeter and voltmeter. The results indicated that the natural dye from the peel of red dragon fruit has potential as a dye sensitizer. Further research is still required to improve the performance of the DSSC.

Status of Battery in Indonesia to Support Application of Solar PV with Energy Storage I Putu Gede Iwan Dwipayana; I Nyoman Satya Kumara; I Nyoman Setiawan
Journal of Electrical, Electronics and Informatics Vol 5 No 1 (2021): JEEI (February 2021)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2021.v05.i01.p06

Indonesia plans to build solar PV plants to reach 6500 MW capacity by 2025. One of the solar PV applications is systems with battery storage systems. In this system, the battery is an important component of the solar PV system as it stores the energy for use when the sun is unavailable. This article reviews the status of batteries in Indonesia to support the proliferation of solar PV applications. The objective is to compile a battery database for solar PV applications. The database provides insight into technology and the availability of batteries. The database consists of 361 batteries of various technologies such as FLA, VRLA, VRLA gel, VRLA AGM, and Lithium-ion. The most widely available is the VRLA gel. In terms of voltage, batteries are available at 2 to 12 volts and with capacity from 1 to 3000 Ah. The availability of batteries shows that this field is ready to support the development of solar PV with energy storage although the field of battery recycling or its waste management requires more attention.

Effect of Solvents on Natural Dyes Extraction from Mangosteen Waste for Dye Sensitized Solar Cell Application I Nyoman Setiawan; Ida Ayu Dwi Giriantari; Wayan Gede Ariastina; Ida Bagus Alit Swamardika
International Journal of Engineering and Emerging Technology Vol 3 No 2 (2018): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Natural dyes are economically and environmentally superior to ruthenium-based dyes because they are cheap and non-toxic. In this study, natural dyes were extracted from mangosteen peel waste. Color extraction was carried out with three types of solvents (distilled water, methanol and ethanol) which had been acidified with 10% citric acid and with a ratio of material: solvent (1: 4, 1: 6, 1: 8 w / v). The photochemical properties are studied by UV-Vis spectrophotometer and FTIR spectroscopy. The absorption peak of the three types of solvent occurs at different wavelengths. The presence of carbonyl (C = O) and hydroxyl (OH) groups contained in anthocyanins can attach coloring to the surface of TiO2. Ethanol solvents with a ratio of 1: 8 produce the lowest photon energy at wavelength and absorption coefficient of 539.00 nm and 2,008 km-1 respectively. The lowest band gap of the dye helps electrons move rapidly from the valence band to the conduction band and only requires less energy for electron recombination which will increase the performance of the DSSC.

REVIEW DAN ANALISIS PERKEMBANGAN PLTS PADA SARANA TRANSPORTASI LAUT Made Puji Dwicaksana; I Nyoman Satya Kumara; I Nyoman Setiawan; I Made Aditya Nugraha
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 2 (2021): Jurnal RESISTOR Edisi Oktober 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i2.732

This paper aims to review the current development of vessels with solar power to reference the research and development of solar power vessels in Indonesia. The research method is a systematic literature review on the development of solar-powered vessels and includes an online survey of vessels using solar PV. This study found 86 solar-powered vessels consisting of boats, utility boats, ferries, houseboats, research, vehicle carriers, dive boats, and yachts developed from 1988 to 2020. These solar-powered vessels were built for various functions such as competitions, cleaning the environment, passenger transportation, and water tourism. Production of solar-powered vessels is increasing in terms of production volume, PV capacity, and battery capacity. In terms of PV configuration, the solar array is dominated by a fixed array structure. However, there have been innovations using sun-tracking, wind tracking airfoils, and expandable channels to increase PV capacity.

REKONFIGURASI PENYULANG KINTAMANI UNTUK MENURUNKAN.RUGI-RUGI.DAYA.DAN JATUH TEGANGAN PADA WILAYAH KERJA ULP BANGLI Putu Juliartawan; I Nyoman Setiawan; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The Kintamani supplay is uone of the feedersl in the PT PLN (Persero) UP3 East Bali Work Areawhich is the responsibility of ULP Bangli. This feeder uses a loop type configuration that servesconsumers in the Penelokan, Songan, Kintamani, Writing, Catur and Sukawana areas. This feederhas a channel length of 237,886 kms with a total distribution substation of 183 transformer units andthe peak load of this feeder reaches 3,160 kW. This condition causes a voltage drop of 7.68% andpower losses of 7.5%. The reconfiguration of this feeder is done by cutting the network which istransferred to Nandini's feeder. Reconfiguration by cutting the network shows an improvement in thevoltage of the Kintamani feeder which initially dropped from 7.68% to 3.27% and decreased powerlosses from 7.5% to 4.81%. Improvements in voltage and power losses that occur in this feederchange the value of the voltage drop and power losses on the Nandini feeder, which has an increasein the percentage of voltage drop from (-)1.44% to 1.27% and losses the initial power of 0.5% to2.10%. With this the Kintamani feeder is right for reconfiguration with the Nandini feeder. Thus, for theKintamani feeder and the Nandini feeder, it is in accordance with the 2017-2022 Distribution SystemMaster Plan Manual, where the maximum allowable voltage drop is a maximum of 19kV and amaximum power loss of 5%.

ANALISIS SISTEM KELISTRIKAN PADA PEMBANGKIT LISTRIK TENAGA SURYA ON-GRID KAPASITAS 25 KWP DI BADAN PERENCANAAN PEMBANGUNAN DAERAH (BAPPEDA) PROVINSI BALI I Kadek Juniarta; I Nyoman Setiawan; Ida Ayu Dwi Giriantari
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

In the 2020 fiscal year, the Ministry of Energy and Mineral Resources of the Republic ofIndonesia provided PLTS On-Grid grants to the Province of Bali as many as 10 PLTS locationsin Denpasar City. One of them is in the Regional Development Planning Agency (BAPPEDA) ofBali Province with an installed capacity of 25 kWp which is connected to the PLN network.BAPPEDA Bali is an example of the NRE Development Program and the Regional Medium-Term Development (RPJMD) that supports the PV mini-grid sector. This research wasconducted to determine the performance of the PLTS electrical system and to simulate theresults of PLTS production using Helioscope software so that it can compare the simulationresults of 2 scenarios with real conditions to determine the level of effectiveness in savingelectricity bills and the factors that influence the results of PLTS energy production. The resultsshowed that the potential for electrical energy generated for a year from the simulation ofScenario 1 and Scenario 2 was 38.90MWh and 39.07MWh. It is known that the real energyproduction from July to December 2021 is 18,083 kWh with the simulation results of scenario 1and scenario 2 from July to December 2021 which are 19,810 kWh and 20,015 kWh. Thedifference between real energy production and the simulation results in scenario 1 and scenario2 is 1,727kWh with a percentage of 8.72%, and 1,931kWh with a percentage of 9.65%. Thepercentage of savings obtained for 6 months in 2021 compared to 6 months in 2020 is 56.42%with a saving value of Rp. 18,783,953.

IMPLEMENTASI SISTEM PEMANTAUAN SUHU DAN KELEMBABAN UDARA BERBASIS IOT PADA PLANT FACTORY KEBUN PERCOBAAN FAKULTAS PERTANIAN UNIVERSITAS UDAYANA I Nyoman Agus Junaedi; Anak Agung Ngurah Amrita; I Nyoman Setiawan
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Plant factory is a technological development in agriculture that is able to overcome the decline in productivity in the agricultural sector caused by limited agricultural land. The concept of the plant factory itself is the application of a good environmental condition for plants to grow indoors which is easy to control so that they are not affected by the weather outside. The temperature and humidity in the plant factory must be monitored and controlled in real time with an Internet of Things (IoT) technology that utilizes internet connectivity to connect and transmit data. The system is designed using two microcontrollers, namely Arduino nano which functions as an input reader for temperature and humidity sensors, namely the DHT22 sensor, while ESP32 functions as a module for sending DHT22 sensor data to the Blynk via an internet connection to be stored in the database and can be accessed via the smartphone user. The ESP32 also functions as an automatic control of air humidity and air conditioning (AC) control remotely via a smartphone.

IMPLEMENTASI SISTEM PEMANTAUAN KUALITAS AIR DENGAN IOT DI PLANT FACTORY KEBUN PERCOBAAN FAKULTAS PERTANIAN UNIVERSITAS UDAYANA I Putu A.B. Artha Wiraguna; I Nyoman Setiawan; Anak Agung Ngurah Amrita
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Plant Factory is a technological concept that forms an ideal environment for plant growth. Water quality has several factors including pH value, water nutrient level (ppm), water temperature and others, plants require a pH value of 5.5 to 6. Differences in pH values and plant nutrients affect plant growth. Lettuce Cultivation has different nutrient requirements for water where plants need around 1000-2000 ppm and 20-25°C in order to produce good growth. Therefore we need a system that can regulate and monitor water quality that can be monitored anywhere. Based on system testing that has been carried out for 30 days, it is found that all components used function as expected, the water quality monitoring sensor is able to detect the value of pH, TDS, water temperature with an average difference with measuring instruments below 2%. After being tested for 30 days from planting to harvesting, the tool can still function properly with indicators that this tool can record data for 30 days and store all data in the database accurately.

PERANCANGAN PLTS ATAP GEDUNG PERPUSTAKAAN UNIVERSITAS UDAYANA Marcelinus Anggiat Situmorang; Ida Ayu Dwi Giriantari; I Nyoman Setiawan
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Solar Rooftop PV is one solution in reducing CO2 emissions and the increasing consumption of electrical energy. Based on PP No.79 of 2014, Indonesia is committed to utilizing 23% of the total renewable energy of the total by 2025. In the General National Energy Plan (RUEN), in 2025 Indonesia targets the capacity of electrical energy from new and renewable energy of 45 GW of which solar power of 6.5 GW (14%). In this research, we will discuss the design of Solar Rooftop PV in the Udayana University Library building. Based on the helioscope simulation results, at a real angle of 20.6o and 20.3o solar modules that can be installed as many as 84 units with a power capacity of 28.1 kWp while at an optimum angle of 14.66o, as many as 66 solar modules can be installed with power capacity of 22.1 kWp. Based on the results of the HOMER simulation, the configuration between the real angle PV mini-grid and the grid is able to produce energy of 83,253 kWh/year with an emission reduction of 41.764%, while the configuration of the Solar Rooftop PV with the optimum installation angle with the grid is able to produce energy of 79.775 kWh/year with a reduction in emissions of 34.527%. From the results of the HOMER simulation, an economic analysis was carried out with an energy selling price of Rp. 900/kWh. The two Solar Rooftop PV designs are worth investing in where the Solar Rooftop PV design with a real installation angle of 20.6o and 20.3o is able to return the initial investment costs in the 17th year while the Solar Rooftop PV design with an optimum installation angle of 14.66o able to return the investment cost in the 20th year.

Co-Authors A.A Ngurah Amrita Abdul Latif Agus Selamet Duniaji Allan Ardiansyah Anak Agung Gede Maharta Pemayun Antonius Ibi Weking Aveliano Tandrianto Axel Adamma Diwanda Baskara Formasakti Dewi Krismawati Eric Timotius Abit Duka Erwin Tanur Gallant Pradika Gede Sukadarmika I Dewa Gde Bayu Wiranatha I Dewa Gde Yaya Putra Pratama I Gede Budhi Arsana I Gede Dyana Arjana I Gede Nadi Arta I Kadek Adiasa I Kadek Juniarta I Komang Ogik Parmana Putra I Komang Wahyu Trisna Putra I Made Aditya Nugraha I Made Mataram I Made Oka Semara Putra I Made Sankhya Pranata Adiguna I Made Suartika I N Satya Kumara I Nengah Widiana I Nyoman Agus Junaedi I Nyoman Budiastra I Nyoman Candra Erawan I Nyoman Norken I Putu A.B. Artha Wiraguna I Putu Dedi Wiriastika I Putu Gede Iwan Dwipayana I Putu Juliawan I Putu Yudi Pramayasa I Wayan Ambarayana I Wayan Arta Saputra I Wayan Arta Wijaya I Wayan Rinas I Wayan Sukerayasa I Wayan Yoga Prasetya Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Irwan Octopianus Silaban Ivo Salvador Soares Miranda Jonathan Oliver Ken Kadek Diana Harmayani Kadek Wahyudi Widiatmika Kavlin Rafhel Panjaitan Kresna Hadi Wijaya Krisda Bimas Permada Laili Asdiyan Salsabila Ayu Lely Meilina Linawati Linawati Made Puji Dwicaksana Made Yogi Hendrayanto Marcelinus Anggiat Situmorang Neysa Amelia Hutagalung Ngakan Putu Satriya Utama Ogik Azis Bukhori Pramana, Setia Putu Juliartawan Putu Satria Abdi Wicaksana Rukmi Sari Hartati Suriana, I Wayan Surya Ramachandra Wayan Gede Ariastina Widyadi Setiawan Yozi Abdullah Haqiqi

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