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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal SPEKTRUM Tematik : Jurnal Teknologi Informasi Komunikasi

I Nyoman Budiastra

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Author-ID : 2613286

Computer Science & IT Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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DESAIN.PEMBANGKIT.LISTRIK.TENAGA SURYA.(PLTS).MENGIKUTI.POLA.ATAP WANTILAN.DESA.ANTOSARI.UNTUK MEMENUHI.DAYA.3600.WATT I Gusti Bagus Wiradhi Yogathama; I Wayan Arta Wijaya; I Nyoman Budiastra
Jurnal SPEKTRUM Vol 8 No 2 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The design of the solar power plant (PLTS) at the Antosari village wantilan is a research thataims to realize the use of new and renewable energy which is one of the solutions inovercoming electricity needs, saving fossil energy and assisting in the realization of GovernorRegulation 45/2019 concerning Bali Clean Energy. This study carried out the design andcalculations in the design of the PLTS Atap Antosari Village. The PLTS design is carried out bypaying attention to and taking into account the tilt angle of the Helioscope Software, designingthe placement of the solar panel modules, designing the inverter, configuring the circuit, takinginto account the number of batteries used, selecting the Battery Control Unit and calculating theprofit on investment. The results of the simulation on the helioscope software are the number ofsolar modules as many as 72 units, installed at an angle of 14.95o which can supply a batterywith a capacity of 500Ah. The simulation also determines the use of an inverter that uses a 4kWinverter which produces a power of 3.6 kWp. The ability of the installed solar module to flow acurrent of 97.56A so that the full charge condition is obtained for 6 hours. Research initialcapital of Rp. 201,400,000 with a return of Rp. 1,325,376, - per month, so that the financing forinstalling PLTS will return in 2034 (13 years)

RANCANG BANGUN 3D PRINTER CORE XY MENGGUNAKAN RAMP 1.4 BERBASIS ATMEGA 2560 I Nyoman Budiastra; I Gede Feryanda Frasiska
Jurnal SPEKTRUM Vol 7 No 2 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Additive,Layer,Manufacturing,or,better,known,as,3D,printers,is,.the,process,of,combining,materials,to build,objects,from,3D,model,data,with,layer,by,layer. In the development process, a newproduct prototype, 3D Printing, is a machine that plays a big role in the 2 and 3dimensional,creation,process,in,the,product,design,process.,The,quality,of,printouts,and,timeefficient,in,making,3D,modeling,produced,becomes,more,effective,and,optimal.,The,purpose,of,the,study,is,to,examine,the,effectiveness,of,the,3D.printer.system.design,work using a shieldtype XY Ramp Core 1.4 based atmega 2560 and know the quality of the 3D printer prints. Thisresearch is a type of design activity, the results of data analysis using the results of 3Dmodeling are processed using a 3D printer and have a value of size accuracy as evidenced bythe results of 3D measurements using calipers, It can be concluded that the 3D printer machinewith,the,XY,belt,core,system,uses,Atemega,2560,based Ramp 1.4 which is made suitable foruse in the 3D modeling process of,3D,modeling,measurements,using,calipers.

STUDI MANAJEMEN ENERGI LISTRIK DAN ANALISIS PELUANG PENGHEMATAN KONSUMSI ENERGI LISTRIK PADA GEDUNG PENGADILAN NEGERI DENPASAR I Made Surya Ganesputra; l Gusti Ngurah Janardana; I Nyoman Budiastra
Jurnal SPEKTRUM Vol 9 No 2 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

The intensity of electrical energy consumption at the Denpasar District Court in 2020 is 133.84 kWh/m2/year. Based on the Minister of Energy and Mineral Resources Regulation No. 13 of 2010 on an air-conditioned building, the building is included in the wasteful category. So the Denpasar District Court office must make efforts to save money by conducting energy audits on lamps, coolers (AC), and other equipment. The purpose of this research is to analyze electrical energy opportunities and provide recommendations for savings that can be made. The method used in this research is descriptive quantitative by calculating the IKE of the building. The results of this study obtained the total energy needed in existing conditions (before the LED lamp and AC inverter were replaced) with the assumption that the lamp and air conditioner operated for 8 working hours per day and 24 days per month, the total energy was 140,101,344 kWh/year. Meanwhile, the total energy consumed after replacing the LED lamps and AC inverter is 124,328,448 kWh/year. So that there is a saving of 15,772,896 kWh of electrical energy for one year with a saving of electrical energy costs of Rp. 22,787,102.85 / year. IKE before replacing the LED lamps and AC Inverter is 41.462 kWh / m2 per year in the wasteful category according to the Ministerial Regulation ESDM No. 13 of 2012. Meanwhile, after replacing the LED lamps and AC inverter, the IKE obtained is 36,794 kWh/m2 per year in the wasteful category, but there are savings in electricity consumption and electricity payment costs.

PERANCANGAN PEMBANGKIT LISTRIK TENAGA SURYA ATAP DI HOTEL MEGA DANA Christ Ave Duga Purba; Ongky Wahyu Wicaksono; I Wayan Arta Wijaya; I Nyoman Budiastra
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.p7

The utilization of renewable energy is one of the solutions to overcome the increasing electricity demand. One of these solutions is to install Solar Power systems on the roofs of offices, industries, or households. This study targets to meet electricity demand by utilizing the roof of the Mega Dana Hotel as a place for the installation of solar panels, the solar panel will later produce electrical energy to meet the electricity needs of the hotel bars. The simulation results of the production of electric energy at Hotel Mega Dana's solar panel system using an application called Helioscope. This study analyzes the economics of designing a rooftop solar power system at Hotel Mega Dana. The feasibility of this research investment is assessed from the value of NPV, PI, and DPP. According to the data obtained, the Hotel Mega Dana building has a roof area of 655.92 m 2. The study used 39 solar panel modules, 1 20kW inverter, and 5 48V 100 Ah TLO batteries, the system can produce 17,6 kWp of power, with a total annual energy production of 21.83 MWh to supply electricity for the bar at Hotel Mega Dana. This research was planned with an initial capital of IDR 254,578,500, a PI value of 1.09, and a DPP value of 21.9 years. The results of this research analysis can be considered feasible because the design has a positive NPV value and is expected to return investment at 21.9 years out of 25-years project life.

Co-Authors Adi Suandika Antara Christ Ave Duga Purba I Gede Feryanda Frasiska I Gusti Bagus Wiradhi Yogathama I Made Agus Guna Saputra I Made Hendry Jayamiharja I Made Surya Ganesputra I Nyoman Setiawan I Wayan Arta Wijaya Ida Bagus A. Swamardika IG.Agung Mulya Negara Kadek Suar Wibawa l Gusti Ngurah Janardana Made Yogi Hendrayanto Mauridhi Hery Purnomo Ongky Wahyu Wicaksono Ontoseno Penangsang Pemayun, Anak Agung Gede Maharta Suadi Putra, I Nyoman Cahya Wibawa

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