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All Journal Jurnal SPEKTRUM Journal of Electrical, Electronics and Informatics
Yanu Prapto Sudarmojo
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Computer Science & IT Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Studi Pengaruh Jenis Refrigerant Terhadap Pemakaian Daya Listrik Pada Mesin Pengkondisian Udara (AC) I Nyoman Mudana; Yanu Prapto Sudarmojo; I Gusti Ngurah Janardana
Jurnal SPEKTRUM Vol 5 No 1 (2018): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (154.885 KB) | DOI: 10.24843/SPEKTRUM.2018.v05.i01.p21

Abstract

Air conditioning is strongly influenced by Refrigerant. R.22 refrigerant is currently still widely used with high level of electric power consumption. The purpose of this research is to analyze the influence of types of refrigerant to the electric power consumption of AC by measuring the electric power requirement of each Refrigerant (R.22, R.410, R.32, EnggasM60 and Isceon MO99). The results showed that R.410 uses 335 Watt with the total cost of Rp 42,210 / month, R.32 uses 328 Watt power with the total cost of Rp 41.328 / month, R.22 uses 271 Watt power with theotal cost of Rp 34.146 / month, Huffin M60 uses 262 Watt power with the total cost of Rp 33.012 / month. While Isceon M099 requires 262 Watt with the total cost of Rp 33.012 / month at the temperature of 24,4 ° C.
ANALISIS KAPASITAS CIRCUIT BREAKER SEBAGAI AKIBAT PENAMBAHAN BEBAN PADA SISTEM KELISTRIKAN 150 KV DI BALI TAHUN 2013-2022 Anggit Dita Perdana; Antonius Ibi Weking; Yanu Prapto Sudarmojo
Jurnal SPEKTRUM Vol 2 No 2 (2015): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1315.438 KB)

Abstract

Beban sistem kelistrikan di Bali saat ini adalah 662 MW yang disuplai dari unitpembangkitan pada GI Pesanggaran, GI Pemaron, GI Gilimanuk dan unit kabel laut yangberasal dari Jawa. Rencana penambahan pasokan daya listrik untuk Provinsi Bali tahun 2013-2022 adalah pembangkitan Kabel Laut (2014), PLTU IPP (Independent Power Producer)Celukan Bawang (2015) dan jaringan Saluran Udara Tegangan Ekstra Tinggi (SUTET) 500 kV(2017). Analisis peramalan beban tahun 2013-2022 menggunakan metode regresi linear danmelakukan analisis kapasitas CB dengan menghitung arus hubung singkat menggunakanprogram ETAP. Berdasarkan hasil analisis diperoleh peramalan beban daya listrik pada sistemkelistrikan di Bali tahun 2022 adalah sebesar 1227.4 MW. Hasil analisis kapasitas CB sistemkelistrikan di Bali tahun 2013-2022 perlu dilakukan penambahan kapasitas CB pada GIGilimanuk (42.349kA), GI Kapal (40.701kA) dan GI Pesanggaran (43.918kA).
RANCANG BANGUN PELUNCUR ELEKTROMAGNETIK DENGAN SUPLAI KAPASITOR I Nyoman Adi Guna Subawa; Yanu Prapto Sudarmojo; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 7 No 1 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (424.587 KB) | DOI: 10.24843/SPEKTRUM.2020.v07.i01.p2

Abstract

Electromagnetic launchers are devices that use electromagnetic forces to launch high-speed projectiles, utilizing accelerated armature shifts along with a pair of conductive rails. Electromagnetic launchers have been studied as high-speed ballistic launchers for various applications such as military weapons to space launches. Based on the development of capacitor technology and the limited development of electromagnetic launchers, especially in the field of launching high-speed projectiles with capacitor supply as the development of electromagnetic weapons technology, research was carried out by making the design of electromagnetic launchers with capacitor supply to produce high-speed projectiles (more than 180m/s based on variations in rifle bullet speed) as the development of electromagnetic weapons technology. The results of the research on the design of electromagnetic launchers with capacitor supply obtained the final projectile velocity value of 200,644 m/s, which consists of three main components namely the rail system, the gas injector, and the supply system.
PROTOTYPE DESIGN OF MICRO HYDRO USING TURBINE ARCHIMEDES SCREW FOR SIMULATION OF HIDROPOWER PRACTICAL OF ELECTRO ENGINEERING STUDENTS Antonius Ibi Weking; Yanu Prapto Sudarmojo
Journal of Electrical, Electronics and Informatics Vol 3 No 1 (2019): JEEI (February 2019)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2019.v03.i01.p02

Abstract

Development of new and renewable energy source always developed by world researchers which one of those is energy source from water, because it’s friendly for environment and low cost. Water is one of energy source which it’s have big potential in all Indonesian territory. The main problem from microhydropower plants is a water discharge which it’s flow is not continued every year because influenced by weather season. Micro Hydro is a microhydro power plants (MHP)in a small scale. A micro hydro can be operated in a certain of time if it has a enough water supply. To knowing a right of micro hydro’s characteristic is not easy thing to learn it. It is because a characteristic each of micro hydro’s installation location is considered specific location. One type of micro hydro is using Archimedes Screw Turbine. Udayana University of Electrical Engineering Department in this time not have a facility for hydropower field to use this model, so a college student not yet to receive a knowledge of this. Through this research, a writer want to expand a college student’s knowledge in hydropower field with create a prototype of micro hydro with Archimedes Screw Turbine to hydropower practical in laboratory. In this research the effect of screw’s height angle conversion and effect of water pressure conversion has to be researched. In this study will discuss the influence of water pressure and slope of the altitude angle on the rotation produced by the Archimedes screw turbine so that it can be seen the voltage, current, power generated by the generator, torque and efficiency . The result of from handmade equipment for this research in angle 40­0 with biggest generator round (rpm) is 3768 (rpm) and highest power is 10.92057 watt, torque adalah 0.60 Nm dan efisiensi sebesar 14 %. The torque which resulted from water pressure 24 psi is 0,73 Nm and efficience 18,01 %. The voltage, current, and output power which resulted in generator is 85,8 Volt, 0,1963 Ampere and 16,85 Watt. For generator speed round in the pressure 24 Psi is 4582 rpm, while turbine speed round which resulted from the pressure 24 Psi is 383 rpm before coupled with generator and 222 rpm after coupled with generator.
Co-Authors Anggit Dita Perdana Antonius Ibi Weking Antonius Ibi Weking I Nyoman Adi Guna Subawa I Nyoman Mudana I Wayan Arta Wijaya l Gusti Ngurah Janardana