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Jurnal SPEKTRUM
Published by Universitas Udayana
ISSN : 23023163     EISSN : 26849186     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering
Jurnal SPEKTRUM is peer review journal, published four times a year by the Department of 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, computers, informatics, controls, 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 677 Documents
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KONTROL FREKUENSI BEBAN MENGGUNAKAN METODE ADAPTIVE NEURO FUZZY INFERENCE SYSTEM (ANFIS) PADA SISTEM HYBRID WIND MIKROHIDRO DAN DIESEL Febryanto Simorangkir, Walter Willy Metyu; Mataram, I Made; Wijaya, I Ketut
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p38

Abstract

This study aims to analyze and compare the performance of three frequency load controller methods in a hybrid generator consisting of three types of energy generation, namely microhydro, diesel and wind. The controller methods being compared are the PID (Proportional Integral Derivative) method, ANFIS (Adaptive Neuro-Fuzzy Inference System), and Fuzzy. This analysis was carried out to improve the efficiency and stability of the hybrid generating system by optimizing the frequency load controller. Frequency instability can occur due to load fluctuations, changes in environmental conditions, or system disturbances. Therefore, the use of an effective and adaptive controller method is very important in maintaining the stability and reliability of the hybrid generator system. The analytical method used in this study involved data collection and computer modeling. The required data includes information on load variations, energy production, and environmental conditions. Furthermore, the PID, ANFIS, and Fuzzy methods are applied to the data to build a frequency load controller model. The results of the analysis show that the three controller methods have different performance in maintaining frequency stability in the hybrid generator system. The PID method provides a fast and accurate response to load fluctuations, but is less adaptive to environmental changes. While the ANFIS method is able to adapt well to changes in system conditions, it requires time for model training. Fuzzy methods can provide control that is more adaptive and tolerant to disturbances, but may require more complex tuning. However, in general, the use of intelligent controller methods such as ANFIS and Fuzzy can improve the performance of hybrid generators by producing more adaptive and stable controls. This research has important implications for the development of more efficient and reliable hybrid power systems. By choosing the right controller method, hybrid power plants can provide energy in a more stable and environmentally friendly manner, and reduce dependence on limited fossil resources. Therefore, this research can make a significant contribution to the development of renewable energy and sustainable development in the future.
PERANCANGAN PROTOTYPE PLTSA DENGAN TURBIN IMPULS SATU TINGKAT Angga Tata Pradana, I Putu; Indra Partha, Cok Gede; Janardana, I Gusti Ngurah
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p6

Abstract

Garbage is a very serious problem in the coastal areas of the beaches in Bali, the management of waste sent from the sea is not maximized. One alternative way of managing waste is using a waste power plant (PLTSa) that can generate electricity. The purpose of this study was to determine the effect of current, torque and power on the PLTSa prototype by designing a single stage impulse turbine, the method used in this study was descriptive quantitative. Tests on the PLTSa prototype used a single-stage impulse turbine with a runner diameter of 44 cm and a total of 75 turbine blades. This prototype uses a nozzle with a nozzle diameter of 6mm and a boiler from a 13.6 Kg freon gas cylinder with a boiler output steam of 3 bar and a water capacity of 9 liters to get the highest average turbine rotation of 1470 rpm and the highest generator rotation of 2460, so that at single stage impulse turbine gets the highest voltage of 16.44 Volts, the highest current of 2.28 Amperes and the highest output power of 23.32 Watt with a torque of 0.18 Nm so this prototype has an efficiency of 11.1%.
RANCANG BANGUN SISTEM PENJADWALAN DAN KONTROL KANDANG KELINCI BERBASIS INTERNET OF THINGS Alie Sulthan, Mayben Sayyidina; Divayana, Yoga; Rahardjo, Pratolo
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p29

Abstract

These days technology has developed rapidly, almost covering all aspects in humas life for example is automation system. The automation system works without human intervension and complete all works independently. Existing technology can already be connected to each other via the internet network so that it can transmit or receive data automatically. The Internet of Things (IoT) can support automated systems by providing real-time information so that users can monitor the performance of these automated systems. This research was to develop rabbit cage by utilizing microcontroller as monitoring system. The system utilizing Internet of Things (IoT) as monitoring medium between users and devices to help users monitor their rabbit cage remotely. The design installed several sensors such as ultrasonic, temperature, load cell sensors, DS18B20 and water level sensors. This research used Arduino Mega 2560 as main microcontroller and NodeMCU ESP8266 as communication device between the tools and database. The tools use android application on user smartphone that fuctions real time monitoring for the cage. Based on the results of this research by using Arduino Mega as microcontroller board to controlling and monitoring rabbit’s cage has succesfully in monitoring the cage via internet through the NodeMCU ESP8266 intermediary according to the design.
PERANCANGAN GAME VISUAL NOVEL SEBAGAI SARANA EDUKASI BENCANA TSUNAMI Putra Dharma, Wisnu Wardhana; Khrisne, Duman Care; Arsa Suyadnya, I Made
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Educational games about early warning against tsunami disasters can be of interest to school children at an early age to expand information about prevention or develop an early warning system for tsunami disasters. This research aims to make a visual novel role-playing game as a means of educating about the tsunami disaster and finding out the usefulness of games in providing information about the tsunami disaster. Using Ren'py software, the tsunami disaster educational Visual Novel Game was developed and built intelligently, resulting in an application that runs on Windows and Android-based devices. With an average score of 86.1, the System Usability Scale test findings. The design of a Visual Novel Game as a means of educating about the tsunami disaster is considered very good.
RANCANG BANGUN PROTOTIPE SISTEM BATTERY CHARGER DENGAN METODE PENGISIAN TIGA TAHAP DI PERUMDA AIR MINUM TIRTA SANJIWANI UNIT PRODUKSI BLANGSINGA Mangun Yasa, Made Galang; Indra Partha, Cokorde Gede; Arta Wijaya, I Wayan
Jurnal SPEKTRUM Vol 11 No 1 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2024.v11.i01.p20

Abstract

Generator set (genset) is needed in companies that operate continuously such as at Perumda Air Minum Tirta Sanjiwani to supply electrical equipment when there is a disruption in the main supply, therefore, the generator set must always be ready to use, one way is through charging the battery with the right method to maintain battery capacity to always be in full condition. This research discusses related to the Battery Charger System Prototype which integrates microcontroller components, sensors, actuators, indicators, and converters to be able to charge the battery with a three-stage charging method and be able to perform a preventive response when a voltage outside the charging standard is detected to minimize the risk of battery damage. Test results using a 10 Ah capacity battery when the DOD is 50% show that charging through the Bulk Stage lasts for 6 hours 40 minutes with a charging current set at 0.7 A, the Absorption Stage lasts for 1 hour 17 minutes with a charging voltage set at 14.7 V, and the Float Stage is tested for 2 hours with a charging voltage set at 13.65 V. This research also includes two battery charging current options to be implemented to partners, so it is expected to provide adequate solutions.
PERANCANGAN DAN IMPLEMENTASI JARINGAN FTTH GPON DI CLUSTER MARGA Sastra, Bima; Diafari Djuni, IGAK; Ary Esta Dewi Wirastuti, Ni Made
Jurnal SPEKTRUM Vol 11 No 1 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2024.v11.i01.p11

Abstract

FTTH is an access network that uses fiber optic as a transmission medium to be distributed to customers. This fiber optic network has very good performance and is reliable and will have a very positive impact on customers, in order for clients to be happy with the services that telecom companies provide, especially in Indonesia. This research will discuss the design of a Fiber To The Home (FTTH) network in Tabanan Regency, Marga Village which includes the value of the Link Power Budget, Rise Time, and the amount of traffic required. after calculating the theoretical power link budget with samples based on the furthest distance (OLT to FAT 1). The value of the power receivers (Prx) from this design is obtained by a Prx value of -20.414 dBm (Downlink) and in the implementation the Prx difference is obtained, where at the farthest FAT (FAT 1) the Prx value is -16.65 dBm. Regarding the Marga area, it complies with the ITU-T G.984 standard, which is the GPON network implementation standard.
RANCANG BANGUN PROTOTIPE PEMBANGKIT LISTRIK TENAGA SURYA DENGAN SOLAR TRACKER SYSTEM BERBASIS IOT Kresna Aditya, I Putu Gede; Satya Kumara, I Nyoman; Setiawan, I Nyoman
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p20

Abstract

Water is an essential requirement for agricultural land and can be obtained from various sources depending on its geographical location. The Keliki Village Farmers Group in Subak Malikoda faces the challenge of drought, resulting in a shortage of water supply during the dry season. In this research, a Solar Irrigation Pump (SIP) with a solar tracker system is designed to pump groundwater with the aim of enhancing irrigation water supply for Subak Malikoda during the dry season. The solar-powered irrigation pump system design consists of an 18.5 kW submersible pump coupled with a 23.1 kWp PV system using 60 monocrystalline solar modules equipped with a solar tracker and a 30 kW inverter. Based on the analysis conducted, the PVSyst results for the SIP without a solar tracker show that the pump can operate for 6,067 hours with an average water discharge of 274.9 m3/day. This is based on the received global effective irradiation of 1765.1 kWh/m2 in one year. However, with the use of the solar tracker system, the pump can operate for 6,933 hours with a water discharge of 305.2 m3/day and global effective irradiation of 1963.8 kWh/m2 in one year. The analysis concludes that the SIP with a solar tracker system can operate optimally and fulfill the water discharge requirements of Subak Malikoda. This makes the solar tracker system an effective solution to enhance the water supply for Subak Malikoda during the dry season.
RANCANG BANGUN TURBIN ANGIN SUMBU VERTIKAL TIPE SAVONIUS DENGAN KETERBATASAN AREA YANG ADA DI GEDUNG PERKULIAHAN TEKNIK ELEKTRO UNIVERSITAS UDAYANA Rizal Arifin, Ahmad; Indra Partha, Cok Gede; Sukerayasa, I Wayan
Jurnal SPEKTRUM Vol 11 No 2 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The concept of electrical vitality includes the persistent utilize of vitality in standard of living. Renewable vitality that can be changed over into electrical vitality is wind vitality utilizing PLTB. The transformation of wind energy from motor vitality to electrical vitality is the most work of a PLTB framework, with a wind turbine as the most component. The Savonius windmill, for case, is able of working at lower wind speeds, such as those in Indonesia. The aim of this research is to design a Savonius Turbine PLTB with turbine dimensions of 50cm diameter, 50cm height, 25cm blade diameter, and 3 blades. The test results show that the lowest turbine speed is 78 rpm and the highest is 111.5 rpm before the generator is loaded at wind speeds of 3 m/s and 5 m/s. After the generator is loaded with a resistance of 5 W, the lowest turbine speed is 39.5 rpm and the highest is 95.5 rpm at wind speeds of 3 m/s and 5 m/s. The highest turbine efficiency is 10.27%. The lowest torque was 0.07 Nm, and the highest was 0.28 Nm at wind speeds of 3 m/s and 5 m/s.
AKURASI PERAMALAN BEBAN LISTRIK SEKTOR RUMAH TANGGA MENGGUNAKAN ARTIFICIAL NEURAL NETWORK DI KOTA PALANGKA RAYA Mahendra Penyarikan, I Gede; Dyana Arjana, I Gede; Arta wijaya, I Wayan
Jurnal SPEKTRUM Vol 11 No 1 (2024): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRUM.2024.v11.i01.p2

Abstract

Electrical energy is one of the most important energies in the daily life of the people of Palangkaraya, both in business, social, government and household sects. Planning electrical energy in its needs is needed to avoid an energy crisis, because economic growth in the Palangkaraya City area requires electrical energy in its operations. The planning carried out in the study by predicting electricity demand used the ANN (Artificial Neural Network) method. ANN is used at the prediction stage within the scope of the household sector. JST results have good forecasting accuracy with MAPE (Mean Absolute Percentage Error) of 7.1975%. With an absolute error value occurred at Rates of R.2/3,500VA to 5,500VA in July amounting to 32.2728%.
ANALISIS PENGARUH PENGGUNAAN DUA NOZZLE TERHADAP DAYA OUTPUT LISTRIK PADA PROTOTYPE PEMBANGKIT LISTRIK TENAGA PIKOHIDRO DENGAN MENGGUNAKAN TURBIN TURGO Yoga Pratama, I.G.; Arta Wijaya, I.W.; Budiastra, I.N.
Jurnal SPEKTRUM Vol 10 No 4 (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.i04.p11

Abstract

This study uses two nozzles on the PLTPH prototype with a turgo turbine because this research wants to apply the use of two nozzles in a pelton turbine. This study aims to determine the effect of using two nozzles on the output power produced by the PLTPH prototype with the direct test method on the prototype made. This two-nozzle PLTPH prototype with a turgo turbine can produce higher turbine rotation than the existing conditions. The final result is the highest rotation on the turbine using 2 nozzles where the A nozzle angle is 70° based on the x axis and the B nozzle angle is 60° based on the y axis of 752.2 rpm. In the 4:1 gear ratio transmission test, the results obtained were 504.4 rpm turbine rotation, 2114.9 rpm generator rotation, 10.99 volt voltage, 4.43 amperes current, and 48.70 watt power.

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