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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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Instruments and Data Logger for Measuring Electrical Parameters: Indonesian Market Review and Research Direction Agus Satrya Wibawa; I Nyoman Satya Kumara; I Wayan Sukerayasa
Journal of Electrical, Electronics and Informatics Vol 4 No 1 (2020): JEEI (February 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i01.p04

Electrical parameters such as voltage, current, power, energy, frequency, and power factor are parameters needed in the operation of an electrical system and machinery. The measurement results provide an overview of the system performance and indicator of abnormal or faulty operations. Nowadays, the electrical parameter instruments grow rapidly with a wide range of features and capability, started from analog instruments to digital measurement with data logging features. This paper reviews the availability of electrical parameter instruments and data logger systems in Indonesia. The review includes technical specifications of instruments, manufacturers, vendors, and data logging features. The data were obtained from vendor publications, manufacturers, scientific publications, and e-commerce websites in Indonesia. The information regarding the availability of the instruments and data logger systems will provide a quick reference in choosing instruments for a certain application to suit the purpose of the measurement and also the cost of the device. Moreover, the information also can provide benchmarks for research and development of low-cost multichannel data logging systems with additional features such as remotely accessible through the implementation of the internet of things.

Solar PV Plant as a Replacement for Power Supply of Irrigation Water Pump I Made Agus Sastradiangga; Ida Ayu Dwi Giriantari; I Wayan Sukerayasa
International Journal of Engineering and Emerging Technology Vol 5 No 2 (2020): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i02.p23

The southern side of Subak Babakan Yeh Kuning has an agricultural irrigation water shortage due to the dry season’s drought. In 2016, the Ministry of Public Works and Public Housing resolved that by giving diesel-powered irrigation water pump system and groundwater irrigation network, however the high operations cost resulted an abandonment of it. This study conducted a solar power plant design for submersible pumps at the southern side of Subak Babakan Yeh Kuning by calculating the amount of irrigation water needed, designing the solar power plant and the investment costs, and comparing the operations cost between the new and old system. Based on the design, the capacity of the solar power plant was set at 12,54 kWp using 33 solar module units and a 18,5 kW inverter unit. The pump could operate for 5 hours and 30 minutes on a sunny weather with a water discharge of 253 m3 or fulfill 17,5% of water needs for an area of 16-hectare. The investment costs of the solar power plant pump system were IDR 171.193.500. The operations cost of the new system (solar-powered) per hectare was IDR 6.495/day. Meanwhile, the operations cost of the old system (diesel-powered) per hectare was IDR 15.950/day.

ANALISIS HOSTING CAPACITY PADA JARINGAN TEGANGAN MENENGAH UNTUK SUPLAI DAYA LISTRIK DAERAH PEDESAAN N.W. Budiantari; W.G. Ariastina; I.W.Sukerayasa I.W.Sukerayasa
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

As technology advances, the use of electrical energy increases for this reason, energy conversion is needed, one of which is the installation of photovoltaic. Analysis hosting capacity on the distribution network serves to determine the flow of power when photovoltaic is installed and can analyze voltage, conductor loading, power loss, and good transformer loading when connected to the network.The analysis of hosting capacity on rooftop PV mini-grid spread over the distribution network is very useful for future planning if there is a massive energy transition that is implemented on rooftop PV mini-grid. The hosting capacity analysis on the distribution network was carried out in 2 scenarios, which were Scenario A for the Bangli feeder without being connected to the PLTS 1 MWp and Scenario B for the parameter B for the Bangli feeder being connected with the PLTS 1 MWp. The analyzed parameters included voltage, conductor loading, transformer loading and power losses in network. The results of the analysis showed that the distribution network hosting capacity is 40%, for both Scenario A and Scenario B.

ANALISIS PENGHEMATAN BIAYA LISTRIK DI KANTOR DINAS KETENAGAKERJAAN DAN ESDM PROVINSI BALI PASCA TERPASANG PLTS ATAP 40 KWP I Kadek Adi Febriana Putra; Ida Ayu Dwi Giriantari; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

PLN's electricity sales in 2020 reached 234.5 TWh, while electricity consumption in Bali Province throughout 2020 was 4.9 TWh. In this study, PLTS roof supporting parking at the Office of the Manpower and ESDM Office of the Province of Bali is used as a location for installing PLTS in the use of new and renewable energy which has an impact on saving electricity bills and reducing CO? emissions. PLTS is installed with a total capacity of 40 kWp with an on grid configuration. Based on the research results, the simulation uses HelioScope software using two scenarios. In scenario 1 with an optimal inclination angle of 14.79°, the potential for energy production is 59.251,00 kWh/year, while in scenario 2 with an optimal tilt angle of 6.35°, the potential for energy production is 59.251,00 kWh/year. PLTS production from June to December 2021 is 35,287.90 kWh with savings on electricity bill costs of Rp. 67,640,740.00 and is able to reduce total CO? gas emissions by 27,233.33 kg CO?.

STUDI PERFORMANCE PLTS ROOFTOP 3KWP FRAMELESS WITH ON-GRID SYSTEM DI LINGKUNGAN PERUMAHAN KORI NUANSA JIMBARAN Gede Agus Ryzky Martha; Ida Ayu Dwi Giriantari; I Wayan Sukerayasa
Jurnal Indonesia Sosial Sains Vol. 3 No. 02 (2022): Jurnal Indonesia Sosial Sains
Publisher : CV. Publikasi Indonesia

PLTS rooftop adalah perkembangan teknologi energi terbarukan yang mengkonversikan radiasi matahari menjadi energi listrik dengan sistem fotovoltaik. Bali memiliki karakteristik geografi dan demografi yang minim lahan luas, jumlah penduduk yang cukup besar dengan luasan atap bangunan yang memadai sehingga penggunaan PLTS rooftop dapat dimaksimalkan. Tujuan dari penelitian adalah untuk mengetahui performance PLTS dilihat dari kriteria produksi energi rata-rata selama 6 bulan dengan menggunakan metode analisa unjuk kerja dengan standar IEC 61724, Final Yield, Reference Yield dan Ratio Performance dengan menggunakan metode pengukuran riil dilapangan. Hasil penelitian pada pengukuran sudut kemiringan PLTS dengan Protractor Tool sebesar 18°dengan perhitungan sudut kemiringan optimal PLTS sebesar 14,66°. Radiasi rata-rata 4,39 hour dengan hasil energy yield (YF) 4.518,7 kWh/year, energy ideal (YR) 5.311,79 kWh/year dengan Performance Ratio (PR) sebesar 85%. Hal ini telah sesuai dengan standar referensi PR (Performance Ratio) yang ada dimana range antara 70% hingga 90%. Hasil PR menunjukan performance daripada sistem PLTS baik karena berada diatas 70% sehingga layak dioperasikan selama 25 tahun atau dibawah 25 tahun.

PENGEMBANGAN JARINGAN TRANSMISI 150 KV BALI BERDASARKAN RENCANA UMUM KETENAGALISTRIKAN DAERAH (RUKD) PROVINSI BALI TAHUN 2022 – 2030 I G.N. Evan Aditya Pramana; W.G. Ariastina; I.W. Sukerayasa
Jurnal SPEKTRUM Vol 10 No 1 (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.i01.p3

The need for electrical energy increases every year. That is linear with the economic growth that happens in the area. Bali is an area where the demand for electrical energy has increased significantly throughout the year. The increase in electrical energy demands will cause the power peak load to increase as well. It's necessary to develop a 150 kV transmission system to anticipate peak load from reaching the breakdown point of the transmission system. Based on this study, the transmission line from Kapal Substation to Pemecutan Klod Substation experienced 80.1% of the maximum load capacity of the line in 2029. It means that the load flow has exceeded the ideal loading of the transmission line, which is 80% of its maximum capacity. Uprating the conductor from TACSR 240 mm2 to ACCC Lisbon 310 mm2 and adding a new circuit line, will help the transmission line sustainable until 2046 before reaching 100% of its maximum capacity.

PERENCANAAN PEMBANGKIT LISTRIK TENAGA MIKROHIDRO (PLTMH) DI SUNGAI YEH DIKIS BANJAR LEBAH KABUPATEN TABANAN MENGGUNAKAN GENERATOR AC Sahabat Nazara; Cokorde Gede Indra Partha; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 10 No 2 (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.i02.p2

Renewable energy is a naturally available energy source in nature, including wind, bioenergy, geothermal heat, solar radiation, flowing and high-drop water, as well as oceanic motion and temperature changes. Planning for the Micro Hydro Power Plant (PLTMH) in Yeh Dikis Banjar Lebah, Tabanan Regency, utilizes an AC generator as one of the ways renewable energy can be utilized. The literature review and observation methods were employed in this study to determine the turbine rotation speed required to drive the generator and to select the appropriate generator. Yeh Dikis River in Banjar Lebah, Tabanan Regency has a capacity of 30.62 kW, with a crossflow turbine operating at a rotation speed of 539 rpm and a torque of 321.81 Nm. The calculation results indicate that the generator capacity to be used is 21.55 kVA. Therefore, the chosen generator is the Generator Head Alternator with a rotation speed of 1500 rpm, providing an output power of 15.516 kW, a generator current of 31.75 A, and an efficiency of 90%. Since the turbine and generator rotation speeds are not compatible, a mechanical transmission system is required, achieved by designing pulley and belt ratios.

DESAIN SOLAR TREE UNTUK PENERANGAN JALAN UMUM DI JALAN BYPASS NGURAH RAI BALI I Kadek Adi Darmadi; I. A. Dwi Giriantari; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 10 No 2 (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.i02.p7

The road is a public facility that is quite important for the community in connecting access between regions. Public street lighting (PJU) is part of the road's complementary infrastructure which can be installed on the right or left of the road section or in the middle (on the road divider). LED is a type of lamp that is often used in PJU throughout Indonesia. In this study, solar trees are designed as a source of environmentally friendly electrical energy which will be added ongrid to the public street lighting system (PJU). This study aims to analyze the selection of the type of lamp, the capacity used and the design to be used on the Ngurah Rai Bypass Road. The location chosen from the planned Solar Tree installation is the Ngurah Rai Bypass Road for street lighting. This is intended as an application for the utilization of renewable energy, and to find out what percentage of savings is generated. The results of the tests in this study produce calculations based on the kWh meter on the Ngurah Rai Bypass Road using a solar panel of the Mono Full Screen type DHM-54X10/FS 390~420W with a maximum power of 420 watts, resulting in: First, the solar tree uses four panels with a maximum power of 1680 watts. second, the design of solar tree poles that are adequate to the conditions on the Ngurah Rai Bypass Road, namely the "Tedung" and "Kayon" shapes which will contain four panels on each pole. Third, the savings obtained from using this Solar Tree are 18.69%.

STUDI POTENSI PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO (PLTMH) DI SUNGAI YEH DIKIS BANJAR LEBAH KABUPATEN TABANAN Wahyudi Ernest Putra; I Wayan Sukerayasa; Ida Ayu Dwi Giriantari
Jurnal SPEKTRUM Vol 10 No 2 (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.i02.p3

Renewable energy must be developed considering the depletion of fossil fuel reserves and the instability of fossil fuel prices. The development and implementation of environmentally friendly renewable energy sources needs serious attention. IESR's calculations in 2019 said that the potential for Micro hydro power plants (PLTMH) in Bali reached 15 MW. This research was conducted due to the presence of sufficient head and water flow as a potential to be PLTMH on the Yeh Dikis river. The purpose of this study is to identify the potential for electrical power that can be generated at the research location on the Yeh Dikis River, Banjar Lebah, Tabanan Regency, and determine the type of turbine to be used. The method used in this research is observation and literature study. The results of measurements and calculations performed, the available discharge potential is 0.381 m3/s and head fall is 8.2 m. The crossflow turbine is a viable option for implementing in the design of this PLTMH system on the Yeh Dikis river. The potential power that can be generated with a turbine efficiency of 0.75 and an assumption of a generator efficiency of 0.9 is 15.516 kW.

INVESTIGASI HUBUNGAN IRADIASI MATAHARI DENGAN THD PADA INVERTER PLTS UNIVERSITAS UDAYANA Anak Agung Istri Pandawani; Cok. Gede Indra Partha; I Wayan Sukerayasa
Jurnal SPEKTRUM Vol 10 No 2 (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.i02.p8

Solar Power System as one of the uses of renewable energy whose use is very widespread and one of its implementations is on the roof of the DH Electrical Engineering Building of Udayana University. The increase in the use of solar power plants is followed by an increase in the use of switching equipment such as inverters that produce harmonic distortions and affect the power quality of the electrical system. This investigation aims to analyze the condition of THD in inverters and analyze factors related to THD in inverters, one of which is solar irradiation. THDi output inverter inverter PLTS Udayana University exceeds the permitted IEEE 519-2014 standard, which is a maximum of 5%. The relationship that occurs between irradiation and the inverter of Udayana University PLTS when connected to the load is inversely proportional so that when irradiation is high during the day, the THDi output of the inverter will be low and vice versa in the evening.

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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