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RANCANG BANGUN PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO TURBIN CROSS-FLOW PADA SUNGAI AYUNG Sega Awaludin; Putu Agus Arcana Surya; Cokordei Gedei Indra Partha; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol. 12 No. 3 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2025.v12.i03.p18

Abstract

The Cross Flow turbine is a type of turbine that utilizes hydraulic energy (water) from the Ayung River flow as its driving force and is very suitable for use in places with low head. Currently, the Cross Flow turbine is still very little used in Indonesia, especially in Bali. This is due to the difficulty of direct measurements by conducting tests related to influential parameters in the field. Therefore, it is necessary to. create a Micro. Hydro Power. Plant (MHP) with adequate terrain and water discharge and is not difficult to measure so as to obtain specific data. This study aims to create a design, determine the turbine specifications, analyze the torque, rotation speed, voltage, current, power, and, efficiency. generated from the MHP prototype with the Cross Flow turbine. The benefits of this study are also, expected. to be a referencei for further researchers to conduct research on MHP. The methods used in this study are, the library method, and the observation method. This study also discusses the analytical study of, the existing. hydropower potential, namely, the. water flow discharge and the height of the waterfall (head) of the Ayung River water flow. The turbine design calculation obtained an effective height of 6 meters with an inlet water velocity of 10.63 m/s and a circumferential velocity of 10.22 m/s indicating that the runner has an outer diameter of 0.15 meters, an inner diameter of 0.1 meters, a runner width of 0.1 meters, a distance between blades of 0.026 meters, a blade width of 0.025 meters, and a total of 18 blades. This prototype, test uses, a water flow, rate of 7 L or 0.007 opening, a guide vane angle of 30. The output produced in the no-load test obtained an average. turbine rotation results before being, coupled to a generator of 539 rpm, an average, turbine rotation results after being coupled of 415 rpm. The average result of the. largest turbine rotation under load is 504 rpm, the largest, generator rotation result under load is 306 rpm, the largest average generator, voltage. result is 9.64 volts, the, largest average. generator, current result, is 0.33 Ampere, thei largest. average, generator, power result is 3.23 Watts, the largest torque result is 0.07 Nm, the largest. PLTMH efficiency result is 6%.
Inovasi Sistem Pengeringan Kopi dengan Teknologi Solar Dryer Modular Berbasis EBT sebagai Solusi Krisis Iklim di Desa Pajahan Kabupaten Tabanan I Putu Sugiantara; Komang Desky Ari Antara; Chandra Bintang Lumban Siantar; I W. Arta Wijaya; Ni Made Gusmiari Ayunda Krisnayani; I Made Krisna Dhira Mulyana
Jurnal Publikasi Teknik Informatika Vol. 4 No. 3 (2025): September : Jurnal Publikasi Teknik Informatika
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupti.v4i3.5461

Abstract

Pajahan Village is one of the villages in Pupuan District, Tabanan Regency which is located at an altitude of 800-1500 m above sea level with coffee plantations as the main commodity. However, coffee farmers in Pajahan Village complained of erratic climatic conditions that hindered coffee farmers in terms of drying their coffee beans. In this workaround, some farmers choose to dry their coffee beans outside districts such as Buleleng Regency. But of course this will add to production costs, transportation costs and the time needed to dry coffee beans. Through one of the Merdeka Belajar Kampus Merdeka programs, namely Bina Desa, the Electrical Student Association provides a solution, namely by procuring a Modular Solar Dryer with a capacity of 40 kilograms / tool with the aim of being able to reduce production and transportation costs needed while saving time needed in post-harvest coffee bean processing. In addition to the procurement of tools, the Village Development Team of the Electrical Student Association also held a workshop to provide knowledge to Pajahan Village coffee farmers by presenting speakers from Bali Mall. In addition, program support was also held such as mass media publications, guidebooks on the use and maintenance of Solar Dryers, as well as posters, and videos of activities.
Co-Authors A A Gd Maharta Pemayun Agus Teja Ariawan Agus Trisna Saputra Anak Agung Gede Maharta Pemayun Anandita Praja Dwitama Antonius Ibi Weking Bagus Kurniawan Chandra Bintang Lumban Siantar Christ Ave Duga Purba Cokordei Gedei Indra Partha Devin Gede Herawan Dewa Gede Dede Pramana Dewa Gede Wahyu Adi Prayoga Galih Budi Santosa Ganggas B Maulana Idham Gede Andre Agusta Putra Gregorius Reza Dwi Nugroho I B Kd Surya Negara I Dewa Gede Bayu Satya Nugraha I Gede Agus Handi Saputra I Gede Anom Aditya Prawira I Gede Aries Gunawan I Gede Dyana Arjana I Gede Dyotha Yogadipha Bagas I Gede Gerry Julius Perdana I Gede Krisnayoga Kusuma I Gede Nadi Arta I Gede Ngurah Arya Raditya I Gede Putu Aditya Kresna Artha K I Gst Agung Putu Raka Agung I Gusti Bagus Wiradhi Yogathama I Gusti Made Bagus Kurniawan I Gusti Made Widiarsana I Gusti Ngurah Agung Mahardika I Gusti Ngurah Saputra I Kadek Agus Arta Yasa I Kadek Arya Wiguna I Kadek Dwi Artika Putra I Kadek Purniawan Paramadita I Ketut Adi Wicaksana I Ketut Wijaya I Komang Gede Darma Yasa I Komang Suarjana I Made Adi Purwa Adnyana I Made Alim Subawa I Made Ardika Tommy Saputra I Made Arsa Suyadnya I Made Darmayusa I Made Dwi Mertadiyasa I Made Eko Adi Setiawan I Made Krisna Dhira Mulyana I Made Mudiarta I Made Suartika I Made Suwartama Wijaya I Nengah Suweden I Nyoman Adi Guna Subawa I Nyoman Apriana Arta Putra I Nyoman Budiastra I Nyoman Budiastra I Nyoman Duarsana I Nyoman Setiawan I Nyoman Sudiatmika I Nyoman Upanayana I Putu Adhe Putra Novantara I Putu Andrean Wiranata I Putu Bayu Suka Yasa I Putu Elba Duta Nugraha I Putu Gede Surya Angga Pranata I Putu Jerry Akira Dinata I Putu Nanda Nugraha Utama I Putu Nova Suciawan I Putu Sudiarta I Putu Sugiantara I Putu Wahyu Indra Wedanta I Putu Yasa Darmadi I W. A. Premei Artha I Wayan Eka Prastia I Wayan Rinas I Wayan Sukerayasa I. P. Krisna Darma Putra I.M. Benny P.W. I.W. Parmadi Putra Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Dwiki Dharma Putra Ida Bagus Gede Wira Negara Ida Bagus Made Pandwa Putra IGP Agung Satya Wicaksana Indra Adi Permana Kadek Dwiky Sadha Widiarta Kadek Mirah Mahadewi Kadek Wahyudi Widiatmika Kadek Widipratama Khana Eland N.A Kharis Biantoro Komang Desky Ari Antara Krisda Bimas Permada l Gusti Ngurah Janardana Lie Jasa Made Ananta Pradnya Made Andi Kusumayana B Ngakan Putu Satriya Utama Ngurah Yowana Asta Prawangsa Ni Made Gusmiari Ayunda Krisnayani Ni Wayan Dian Puspita Sukma Dewi Ogik Azis Bukhori Ongky Wahyu Wicaksono Pande Putu Teguh Winata Pratolo Rahardjo Putu Agus Arcana Surya Putu Andi Dinata Putu Angga Juliantara Putu Juliartawan Ravinda Ariestya Pamungkas Riantika, I Gede Rama Sega Awaludin Tjok Gede Indra Partha Wahyu Adi Merta Wayan Gede Ariastina Yanu Prapto Sudarmojo