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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 20 Documents
 1   2 
Search results for , issue "Vol 19 No 2 (2020): (Juli - Desember) Majalah Ilmiah Teknologi Elektro" : 20 Documents clear
Kajian Ekonomi Rencana PLTMH di Desa Panji Richard Antony Suatan; Ida Ayu Dwi Giriantari; I Wayan Sukerayasa
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P20

Abstract

The micro hydro power plant (PLTMH) in Banjar Dinas Mekar Sari, was built independently by community groups in 1980. With the use of traditional technology, the efficiency of PLTMH is low, so it is necessary to re-plan for PLTMH Banjar Dinas Mekar Sari to operate more optimally.. One of the most important factors in planning is financial / economic factors. This factor will be used to assess a plan whether it is feasible to build or not. The parameters used in determining economic factors are Net Present Value (NPV, Internal Rate of Return (IRR), Benefit to Cost Ratio (BCR), Life Cycle Cost (LCC), and Break Even Point (BEP). Economic feasibility analysis has been carried out. for planning PLTMH Banjar Dinas Mekar Sari obtained, BCR of 0.23 and -0.08 and NPV value of Rp.476,747,506 and -Rp.161,451,546 are positive when the discount rate is 10% and negative when the discount value is 12%, and the amount of the IRR value 1% and 0% do not exceed Indonesia's Expected Annual Rate of Return, which is 14.6%, and the amount of BEP units that must be sold to reach a cash flow point is Rp. 0 of 2,294,914.96 kWh, and the amount of payback period at This project is 2 years 2 months. So seen from the existing economic parameters, the design of PLTMH in Banjar Dinas Mekar Sari is not feasible from an economic point of view because the large profits obtained from the design of PLTMH Banjar Dinas Bembang Sari do not exceed the initial start. al cost (investment cost).
Analisis Penerapan Metode Scrum Pada Sistem Informasi Manajemen Proyek Dalam Industri & Organisasi Digital Hisyam Rahmawan Suharno; Nyoman Gunantara; Made Sudarma
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P12

Abstract

The rapid evolution of information technology in this era requires appropriate adjustments in utilizing information technology. All fields of life require some forms of information technology, particularly digital organizations and digital industries that are heavily reliant on information system. In order to create an information system, a software development method is needed. There are various types of software development methods, one of which is often used is the SDCL Waterfall method. SDCL Waterfall in principle follows organized and systematic stages. The Waterfall method emphasizes clearly the requirements for a software that will be developed. Therefore, some problems when a software will be developed like the initial requirements are not so clear and the possibility for changes during development. In line with the evolution of technology, the software development method has also evolved. There is a new method known as the scrum method. The scrum method is allegedly faster and more efficient. This translates to a more flexible implementation as this method prioritizes fast iteration or delivery based on functionality of the software that will be developed. However, not all software development is compatible with the scrum method. Thereforethis research will conduct a literature study to observe the effectiveness of applying the scrum method to digital industries & organizations, and to find out whether the scrum method is truly reliable as a software development work scheme in an industry or digital organization.
Redesain Turbin 175 KW Untuk Pembangkit Listrik Tenaga Mikrohidro (PLTMH) Desa Mekar Sari Buleleng Bali Dewa Putu Ari Laksana; Ida Ayu Dwi Giriantari; I Nyoman Satya Kumara
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P17

Abstract

The Mekar Sari Buleleng Microhydro Power Plant (MHP) has been around since 1980. This 10 kW PLTMH has experienced various problems resulting in suboptimal operation. One of the proposed improvements is a decades-old turbine redesign. The new design resulted in a crossflow turbine with a capacity of 185 kW. The performance of the turbine was validated using Computational Fluid Dynamics (CFD) software with a simulation of the average turbine power output of 175 kW. One of the improved features used in this turbine design is the nozzle design so that the turbine's output power can be maximized.
Prototype Sistem Irigasi Subak berbasis Fuzzy Logic Menggunakan Wireless Sensor Network I Wayan Kayun Wardana; I Made Oka Widyantara; NMAE Dewi Wirastuti
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P02

Abstract

Utilization of Information Technology in local Irrigation system in Bali called ‘Subak’ is expected to be able to distribute water evenly to all agricultural needs. Later, there will be no excess or even lack of water, no arable or infertile in the agricultural land due to water and its also expected to be able to produce maximum agricultural production. This study uses sensors of Soil Moisture, Soil Temperature and Soil pH which are expected to control water requirements for agricultural land which are flowed automatically by the system from the reports received by the sensor and the server using the Wireless Sensor Network. Water distribution will be carried out by the system after receiving water demand from sensors embedded in agricultural land using fuzzy logic so that the shared water will be the same as the Subak irrigation system but more controlled, effective and efficient. This may lead to better level of soil fertility required by plants as well as increase the agricultural output . The use of the Internet of Thinks (IoT) in this study will produce information that is fast and can be accessed on the Internet by using SmartPhone media, PCs or other communication devices.
Potensi Pemanfaatan Atap Tribun Stadion Kapten I Wayan Dipta Gianyar sebagai PLTS Rooftop Gallant Pradika; Ida Ayu Dwi Giriantari; I Nyoman Setiawan
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P15

Abstract

Captain I Wayan Dipta stadium rooftop power plant is designed as an additional power supply to meet the stadium's electrical load needs. Roof plts design using 2 scenarios. Scenario 1 has a capacity of 83,300 Wp with a solar module of 238 units and a 2-unit inverter generating 112,321 kWh/year of energy and will supply the day load of transformers 2 and 3 stadiums of 35,470 kWh/year. Scenario 2 with a capacity of 156,800 Wp with a solar module of 448 units and 4 inverters generates 211,458 kWh/year of energy and will supply the day load of transformer 1 stadium at 100,919 kWh/year. Scenario 1 investment cost of Rp.1,178,760,000 with total income up to 25 years amounting to Rp.1,090,635,084 while in scenario 2 costs investment amounting to Rp.2,237,860,000 and income up to the 25th year amounting to Rp.3,126,761,273 in economic feasibility analysis using NPV, PI, and the DPP is only scenario 2 which can be said to be feasible because in the 25th year the income is greater than the investment, while in scenario 1 the income will be worth the same as the investment in the 29th year. This means the system in scenario 1 is not feasible because it has a DPP longer than the lifespan of the project.
Rancang Bangun Sistem Minimarket Otomatis Berbasis IoT Ida Ayu Sri Sinta Anjani; Lie Jasa; IGAP Raka Agung
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P19

Abstract

In this era of globalization, developments occur in all aspects, one of which is the economy. One of the developments that occurred in the modern era was the emergence of minimarkets as shopping centers to replace markets. Minimarket provides convenient shopping facilities for customers. But minimarkets still have problems where there are long traffic jams on certain days or hours, thereby reducing the time efficiency of customers. Another problem that arises is that customers do not know the stock availability of the goods before coming to the minimarket. Therefore a system was developed that can check the availability of goods and make purchases automatically remotely. The system built using Arduino Mega and ESP as the brain tool, the sensors used are limit switches and IR sensors. The drives used in this study are the wiper motor as the x-axis driver and the power window motor as they drive. The servo motor is used as a driving force for the room door and for moving food to fall. In the study, the results obtained at the time of taking food were carried out 12 experiments in which the results of the tool could take food according to the input received from the application. In the experiment of taking goods, it was carried out with 12 experiments where it was found that the tool was able to take goods according to the input data received from the application and to the point of collection. The power consumption required in this design is 35.7 watts on standby, 42.84 watts when taking food, and 113.68 watts when the appliance is moving. Keyword— Aplikasi Android, Arduino Mega,ESP8266, Firebase, Minimarket.
Skema Pelepasan Beban Menggunakan Relai Rate of Change of Frequency dengan Supervisi Under Frequency Relay Adrianti Adrianti; Muhammad Nasir; Adiv Rama Salvayer
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P18

Abstract

A Rate of Change of Frequency (ROCOF) relay works based on rate of frequency changes (df/dt) that is a direct indicator of power unbalance between generation and demand. The df/dt indicator make ROCOF relays have a promising opportunity for under frequency load shedding. Examining the performance of the proposed ROCOF relay scheme for under frequency load shedding become the research objective. The proposed scheme consists of five load shedding steps and they were supervised by Under Frequency Relay (UFR) to avoid mal-operation due to short circuits. The scheme was assessed using generation loss simulation with contingency of N-1, N-2 and N-2-1 with Digsilent Powerfactory. It is found, for N-1 and N-2 contingencies, the proposed scheme provide better frequency results and faster than UFR scheme. However, there is a problem with the sensitivity of the scheme that is adjusted by delay setting. For light to medium power of generation loss, the required delay is relatively large to obtain the true df/dt value from the measured df/dt that tends to oscillate. However, for severe generation loss, the large delay setting causes the relay to be less sensitive hence a small proportion of the relays do not work at all expected steps.
LANCAR Rancang Bangun Alat Sebagai Layanan Notifikasi Air conditioner Yang Rusak Pada Bagian Kompresor I Gede Agus Darmawan; Lie Jasa; Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P13

Abstract

Indonesia is a tropical country that has two seasons, namely the rainy season and the dry season. During the dry season, the weather gets hot so AC technology (Air Conditioner) technology is really needed by the people of Indonesia. Every day, air conditioners are often used to cool the air, so the use of air conditioners is very routine in the dry season. Ac needs to be maintained regularly so that the AC is not easily damaged. Ac is divided into two parts, namely indoor and outdoor. Indoor and outdoor are connected through copper pipes which are freon gas lines. Freon gas will be pumped through the outdoor using a compressor engine to suppress the flow of freon gas so it flows into the evaporator section of the indoor and the compressor will suck the freon gas again to the condenser section on the outdoor because the compressor is the most important part in the air conditioner, the compressor must be routinely maintained by knowing the amperage performance on the compressor. So the purpose of this research is to monitor the performance of the compressor. This monitoring is done by installing a LANCAR (broken air conditioner notification service). LANCAR has three parts, namely electronics as a tool to detect compressor performance amperes, applications as notification media as well as for monitoring compressor amperes and database as compressor amperage data storage. Electronics used such as NodeMCU esp 8266, current sensor, vibration sensor and 1 channel relay module. These parts will be connected to the IoT (internet of things) system where the device is able to provide notifications when the compressor is damaged and the amperage data on the compressor will be stored in a database so that it can later be seen by the AC owner.
Audit Sistem Informasi Kesiman Kertalangu (SIKEKAL) Menggunakan COBIT 4.1 Made Dwi Mulyawan; Rukmi Sari Hartati; Yoga Divayana
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P03

Abstract

Information System of Kesiman Kertalangu (SIKEKAL) is a system implemented in the Kesiman Kertalangu Village as a solution to facilitate the accommodation of population administration services. To measure and evaluate the performance of the system used it is necessary to conduct an audit using the COBIT 4.1 framework, which in this case is focused on measuring the maturity level of the SIKEKAL system based on aspects of the DS (Delivery and Support) domain, especially in the subdomains of DS5, DS10, DS11, and DS13. This evaluation process also aims to provide recommendations for problems found in the system to be able to be improved in achieving the maturity target to be achieved by the Kesiman Kertalangu Village Office.
Perancangan Penstock (Pipa Pesat) Untuk Pembangkit Listrik Tenaga Mikrohidro (PLTMH) di Banjar Dinas Mekarsari, Desa Panji, Kecamatan Sukasada, Kabupaten Buleleng I Nengah Widiana; Ida Ayu Dwi Giriantari; I Nyoman Setiawan
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - 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.2020.v19i02.P16

Abstract

Since 1980, the village department of Mekar Sari, Panji Village has had a Micro Hydro Power Plant (PLTMH). The PLTMH, which has a 10kW generation capacity, is experiencing various problems resulting in unsuitable operation. One of the proposed improvements is the design of the penstock (fast pipe) in accordance with the MHP Banjar Dinas Mekar Sari. The new penstock design produced penstock with a length of 54 meters, a penstock diameter of 0.8272 meters and a penstock thickness of 0.002 meters. The flow velocity at the penstock after the new design is 2.7088 m / s, and the net head is 16 meters. This improvement is intended to take full advantage of the height of the river flow, so that the maximum flow rate can be generated and then used to rotate the turbine.

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