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Lie Jasa
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PS Magister Teknik Elektro Fakultas Teknik Unud Jalan PB Sudirman, Denpasar, Bali, Indonesia
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INDONESIA
Majalah Ilmiah Teknologi Elektro
Published by Universitas Udayana
ISSN : 16932951     EISSN : 25032372     DOI : https://doi.org/10.24843/MITE
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Majalah Ilmiah Teknologi Elektro (MITE) is peer review journal, published twice a year by the Study Program of Magister Electrical Engineering, Faculty of Engineering, Universitas Udayana. This journal discusses the scientific works containing results of research in the field of electrical, include power systems, telecommunications, informatics, and electronics. Authors are expected to include original scientific papers in accordance with the scope of the discussion of this journal including all aspects of the theory and practice are used.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 10 Documents
 1 
Search results for , issue "Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro" : 10 Documents clear
Rancangan Penempatan Modul Surya dan Simulasi PLTS Fotovoltaik Atap Gedung RSPTN Rumah Sakit Universitas Udayana Kadek Hari Merta; I. N. S. Kumara; W. G. Ariastina
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P05

Abstract

Indonesia consumed large amount of electrical energy which mostly generated using conventional resources which was dimisihing. Therefore, government released national energy policy aimed at reducing the use of fossil-based energy and increasing the role of renewable energy. One of the renewable energy source was solar photovoltaic. Udayana University had the potential to develop photovoltaic system on all of its premises and one of them was Udayana Hospital. In this research, a study on the potential of rooftop PV at Udayana University Hospital was presented. It was found that the hospital had the potential to generate total electrical power of 835,560 Wp. Our study showed that Building #1 can potentialy generate 142,560 Wp on its rooftop which capable to supply 31.32% of energy consumption in the building. It was found Building #1 could produce energy of arround 166,407 kWh annualy that was equal to 22.6% of the electrical energy consumption of the building. By incorporating the roof of ground car parking canopy, the PV system could generate total power of 226,710 Wp which was equal to 46.98% of Building #1 total power when it was fully operational. It was estimated that this the combination of rooftop and parking PV could generate energy of 249,610 kWh annualy which was equal to 32.8% of the electric energy consumption of Building.
Desain dan Analisa Ekonomi PLTS Atap untuk Villa di Bali Kadek Sumariana; I Nyoman Satya Kumara; Wayan Gede Ariastina
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P06

Abstract

Abstract—Bali province is one of 34 provinces of Indonesia and according to General Plan of National Energy it was expected to develop around 110 MW solar PV by 2025. Economically, Bali is considered as the center of Indonesian tourism industry. A wide range of accommodations have been developed to support the industry including villa. In this paper, potential of rooftop PV of villas in Bali is presented. Rooftop PV capacity was designed with objective to meet 23% of the villa’s energy consumption. Two villas in the southern of Bali were taken as examples. Energy audit was conducted to study the energy usage of both villas. Based on the design objective, 13,7 kWp grid-connected PV was proposed for each of the villa. With these results, it was projected that all villas in Bali could add solar PV capacity around 34,8 MWp which canpotentialy generateannual energy of 54.741 MWh. Investment analysis and environmental performance are also included on this paper. The results presented here will help provincial and district governments of Bali to get insight into potential of tourism sector to support PV development and subsequentlyto developappropriate policies and regulations to accelerate the uptake of rooftop PV in Bali.
Penajaman Citra Satelit Landsat 8 Menggunakan Transformasi Brovey I Made Dhanan Pradipta; I Made Oka Widyantara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P08

Abstract

Abstract—Image sharpening is an image optimization technique by combining two satellite images by taking advantage of each images, so that the output image has good spectral and spatial quality. Image sharpening is an alternative to facilitate the recognition of an object, moreover for Landsat satellites has many bands that can be used as samples for the image sharpening process. One method used in image sharpening is Brovey Transformation. This method is widely used because it is very simple and easy in making the algorithm. The Bands which is used in the image sharpening process are composite bands (red, green, and blue) with panchromatic bands from the Landsat 8 satellite. The results of the image sharpening process are high spectral images obtained from composite images and spatial values obtained from panchromatic images. Analysis of the results of image sharpening using the Brovey Transform method is done by comparing the quality of the truecolor image before sharpened and the image that has been sharpened by calculating the maximum and minimum values of the red, green and blue bands, analyzing the mean values and also the standard deviation values of each image. Key Words— Brovey Transformation, Composite, Image Sharpening, Landsat 8
Codec Citra Berbasis Fractal dan Entropy Coding I Made Aditya Virgiawan; I Made Oka Widyantara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P03

Abstract

The process of describing parts of the human body, to be able to find any disease that exists in the body parts caused by bacteria and viruses is called the Medical Image. CT Scanning, MRI, X-Ray, is a medical image that is commonly found in general in the form of analog data. The amount of important information contained in medical images causes the size of the medical image file to be relatively large. The need for large data storage media and long delivery times is caused by large medical image data. This study aims to realize a fractal-based medical image codec by testing its performance on several coding entropy techniques. The analysis of this study was based on the PSNR, Image Size and Time Taken needed to compress one image. The conclusion obtained from this analysis shows that the Arithmetic method has more advantages in the field of PSNR, Compression Ratio, Size Image produced along with Time Taken in the compression process, where 15 images of 100% images are better results using the Arithmetic method than by using the Adaptive Huffman method. Keywords — Adaptive Huffman, Arithmetic, Codec, Fractal, Image, Medical.
Rancang Bangun Sistem Keamanan Sepeda Motor Dengan GPS Tracker Berbasis Mikrokontroler dan Aplikasi Android I Gusti Agung Made Yoga Mahaputra; I G A Putu Raka Agung; Lie Jasa
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P09

Abstract

Abstract— The motorcycle is one of the most widely used types of transportation in Indonesia. The disadvantage of the motor currently lies in its safety. Motorcycle security system with a Microcontroller-based GPS Tracker and an Android Application function to monitor and control the motorcycle through the Android application. Security system testing with three main tests. Testing of motorcycle safety equipment is done by testing each module. Android application testing is done by running the monitoring and control functions. Testing the communication with the application is done by sending commands from the smartphone to the device. The system can run all commands. Motorcycle safety devices can communicate with Android applications and can detect coordinates. The Simcard operator affects the network installation time on the SIM900A module where Telkomsel has a speed of 6 seconds, M3 has 31 seconds and XL has 310 seconds. There is a difference between the reading value between the actual distance of the motorcycle and the distance of the motorcycle to the instrument reaching 4 meters. Keywords — GPS NEOM8N, Motorcycle, Security System, SIM900A.
Kajian Penggunaan Incinerator Untuk Mengelola Limbah Medis Padat di Denpasar I.G.A.B. Adiputra; I.G.A.D. Giriantari; I. N. S. Kumara
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P10

Abstract

One method to process toxic waste of hospital is incinerator. An incinerator burns hospital toxic waste at high temperatures. Many hospitals have to transport their toxic waste to rhid party location which often far away. In Bali, there are 62 hospitals with 6.195 beds with 5.584.310 annual visits from patients from patients and therefore generate large amount of toxic waste. Hospitals in Bali have to send their waste to incinerators in other island a few thousand kilometres away. This practice is expensive and add more environmental problems due to emmisions from transport vehicle and traffic congestion on the Java to Bali land transports. One solution is to develop small sclae incinerator near hospital’s site. This paper discuses the development of small incinerator in Denpasar city of Bali covering insvestment, performance metric, and economical feasibilty. The project is funded by international aid and currently the only incinerator on the island. Description of the plant component, environmental metric, investment analysis Keywords — Hospital, waste treatment, toxic waste, incinerator, environmental, economical feasibility, NPV, payback period, energy conservation.
Revitalisai PLTS Off-Grid 15 kWp Desa Datah Sebagai Catu Daya Pompa Air Pedesaan I.G.A.D. Sasmita; I.G.A.D. Giriantari; I Nyoman Satya Kumara
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P07

Abstract

At present all aspects of electricity are carried out by PT. PLN (Persero) throughout Indonesia. There are still many villages in Indonesia that are dark or not yet electrified. It is recorded that up to now 2,500 villages have not yet been connected to electricity. The Ministry of Energy and Mineral Resources (ESDM) has now sought a solution so that 2,500 villages can enjoy electricity. One of them is by using renewable energy. One of them is PLTS Datah, the asset is not functioning anymore and in some parts there is damage. Asah Teben Hamlet, Datah Village has an area of ??6.74 km2 which has a fairly high population with a population of 315 family heads in 2018. With such density, the water needs of each person are more than 150 liters per day per person. With the energy generated at 10 kWp, it is expected that later the need for clean water in residential areas of around 315 families can be fulfilled. With the existing water source, it can meet the water needs of residents in Asah Teben Datah Hamlet. From the calculation results, the water price is Rp. 1,288 is cheaper than the PDAM water price of Rp. 1,500. The price of water is quite cheap and can be reached by residents. Keywords— Renewable Energy, Off-grid PV, Water Pumps, Solar Pumping, Water Distribution
Redesain Dan Analisa Kelayakan PLTMH 25 KW Desa Susuan Karangasem Bali Dewa Nyoman Tri Budiantara; I Nyoman Satya Kumara; I.A.D Giriantari
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P02

Abstract

Abstract—The need for electricity in Indonesia has always increased from year to year. In Indonesia, the use of fossil power plants is still widely used. Water energy itself is an alternative to replace fossil fuels in general, one of which is a Micro Hydro Power Plant. This research was made to identify MHP in Sususan Karangasem Village can be revitalized (rebuilt) through the measurement and calculation of the potential of water resources with the flow duration curve method with a probability exceeding 80%. To analyze the feasibility of PLTMH financial analysis is carry out namely Net Present Value (NPV), Internal Rate Ratio (IRR), Payback Period (PP) and Benefit Cost Ratio (BCR). The results of the analysis found that the potential of the current Karangasem MHP is 25.18 kWh with annual electricity generation of 220.577 kWh / year and electricity BPP = Rp. 774. per kWh. From the results of the analysis, the MHP of Susuan Karangasem Village can be sayto be feasible for revitalization. Keywords: Micro Hydro Power Plant (MHP), Hydrological Analysis, Energy Economy Analysis, Revitalization.
Analisis Unjuk Kerja Improved Sinc Power Pulse pada Sistem OFDM Melalui Kanal Frequency Selective Fading Kadek Agus Mahabojana Dwi Prayoga; NMAE Dewi Wirastuti; Nyoman Pramaita
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P04

Abstract

The combination OFDM (orthogonal frequency division multiplexing), and pulse shaping are expected to reduce the effects of Inter Carrier Interference (ICI) and error occurred. This study aimed to compare the performance of OFDM without pulse shaping nd OFDM with pulse shaping Improved Sinc Power (ISP) pulse through Frequency Selective Fading channel, in terms of BER (bit error rate) vs. Eb/No (energy per bit to noise power spectral density ratio). This study implemented simulation using Matlab R2018a. The results of the simulation OFDM with ISP pulse system performance has better results than OFDM without pulse shaping. In the transmission Frequency Selective Fading channel, to reach 10-1 BER value in OFDM with ISP pulse was required Eb/No of 2 dB. While the OFDM without pulse shaping systems required Eb/No 10 dB. Keywords — OFDM, Pulse Shaping, ICI, ISP pulse, Frequency Selective Fading.
Konsep Dan Penerapan Green Computing di LingkunganKampus I Gede Made Surya Bumi Pracasitaram; Linawati L; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P01

Abstract

The development of information technology to help increase activities also brings enormous progress in the world of Education, the development of information technology involves also the negative environment such as increasing the energy needs needed, which electricity needs in Indonesia Power plants use non-renewable energy as a fossil energy. To reduce energy use in the campus environment in this study using the concept of green computing. Green computing is the study and practice of environmentally sustainable computing or IT. It is expected that the application of green computing can streamline and save energy usage in the campus environment and reduce negative impacts on the environment. Keywords — Computer, Energy Efficiency, Green computing.

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