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Jurnal Teknologi Elekterika
Published by Politeknik Negeri Ujung Pandang
ISSN : 14128764     EISSN : 26560143     DOI : http://dx.doi.org/10.31963/elekterika
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering
Jurnal Teknologi Elekterika: Jurnal penelitian PNUP sebagai wadah komunikasi ilmiah antar akademisi, peneliti dan praktisi dalam menyebarluaskan hasil penelitian bidang rumpun elektro dan informatika yaitu teknik listrik, energi, elektronika, kontrol, telekomunikasi, komputer dan jaringan, dan Multimedia.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 9 Documents
 1 
Search results for , issue "Vol. 20 No. 1 (2023)" : 9 Documents clear
Penggunaan Sensor Fr-04 Untuk Atap Jemuran Umar, Nuraeni; Yuniarti, Yuniarti; Kato, Franklin Aditama; Gunawan R, Riyan
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4243

Abstract

The FR-04 sensor is used on a clothesline roof, the research aims to overcome problems with clothesline when it rains it gets wet. This system functions to prevent the clothesline from getting wet by rain. This system moves to close and open the clothesline roof. The clothesline roof system will move to open or cover the clothesline, according to the input conditions of the light sensor (LDR) and rain sensor. The FR-04 sensor detects the presence of water droplets on the surface, then the Servo (as the driving force for the clothesline) will rotate 1800 Clockwise (clockwise and buzzer on. The results of the FR-04 Sensor system functioned very well to detect the presence of water droplets on the surface, and the system managed to close and open the clothesline roof by rotating 1800. 
Sistem Kendali Hidrogen Pada HCl Burner Menggunakan Controller Yokogawa Suherman, Yohanes Daud; Edilla, Edilla
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4181

Abstract

The hydrogen control system is a hydrogen control system in the HCl manufacturing process. This control is needed to control the presence of hydrogen over capacity or low capacity in the HCl burner, resulting in product failure. Hydrogen is one of the first steps for making HCl, which needs to be considered for its parameters, consisting of a control valve, flow transmitter, and pressure transmitter. In this study, a controller can be operated to adjust the hydrogen control valve line opening on the HCl burner. Then to find out the set point value of hydrogen entering the HCl burner, 2 transmitters measure flow and pressure. Furthermore, the signal measured by the transmitter will provide feedback so that the flow and pressure values appear on the controller. To ensure that the parameter data has been observed by comparison between the data on the system and the actual data in the field. From the observational data of this control system, the need for hydrogen for the initial stage of HCl production can be carried out within 1 hour with the control valve opening parameter of 34%, so that by opening the control valve it is known that the flow transmitter indication is 34 kg/hour and the transmitter pressure is 9kPa, so from flow and pressure indications can be used for later stages of the HCl manufacturing process.
Perancangan Sistem Human Machine Interface (HMI) untuk Monitoring Daya Sinkronisasi Paralel Genset rachman, syaiful
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.3592

Abstract

Dalam perancangan ini dikembangkan sistem monitoring Sinkronisasi Paralel Sistem Tenaga Listrik Genset, sebuah sistem yang dapat memantau proses informasi meliputi arus, tegangan, cos phi, frekuensi, kVAr, kW, faktor daya, dan proses pemutusan beban otomatis pada Parallel Synchronization Generator and Monitoring menggunakan antarmuka PLC ke Human Machine Interface (HMI) yang menampilkan nilai pengukuran. Kontroler HMI, PLC, dan generator menggunakan komunikasi protokol Modbus untuk membaca register 450009 sampai 4000021 dari perangkat slave hasil monitoring data dari data logger merekam penggunaan beban listrik dari sistem monitoring hasil unit sinkronisasi telah bekerja dengan dua synchronous generator yang terhubung secara paralel diperoleh ketika koneksi paralel generator sinkron mencapai stabilitas. dalam hal itu, frekuensi dan saluran tegangan adalah 49,9 hingga 50 Hz 400 volt
Perancangan Alat Ukur Portable Datalogger Pembangkit Listrik Tenaga Surya A Noor, Nirwan; Sultan, Ahmad Rizal; Thaha, Sarma; Riyadi, Kazman; Lukman, Musfirah Putri
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4241

Abstract

Information about the output power of solar panels and the intensity of solar radiation is needed in the PLTS system to determine the characteristics of the potential power generated by the panels and estimate the amount of load attached. The purpose of this study was to design and manufacture a portable parameter measuring instrument and datalogger module on a microcontroller-based solar panel. Arduino Uno and ThingSpeak WebServer where with this measuring instrument solar panel parameters such as input parameters in the form of solar radiation, ambient (environment) temperature and output parameters in the form of voltage, current, latitude panel position will be measured, stored and displayed in graphical form in realtime. The system being built consists of three main parts: namely the sensor as input which will measure solar radiation data, temperature or temperature, current, voltage, latitude and longitude position of the Arduino Uno solar panel module which will acquire measurement data from sensors and the Labview application which will store and display data in realtime. The results of this study indicate that the measured current error is 1.68% and the lux error is 1.95%.
Pengujian Long-Short Term Memory (LSTM) Pada Prediksi Trafik Lalu Lintas Menggunakan Multi Server Sakir, Riesa Krisna Astuti
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4242

Abstract

This study presents a test of the long short term memory (LSTM) algorithm on traffic prediction with multi edge server and cloud server architectures. IoT sensors located on the roadside such as cameras and location data on each driver are used and stored in the data center. When a driver sends a travel time request to a nearby edge server, traffic predictions will be made on the edge server or cloud server. Server selection is made based on the destination location of the driver's request. If the destination is in the edge server area, traffic predictions are made on the edge server. However, if the destination is in the cloud server area, traffic predictions are made on the cloud server. Then to predict traffic traffic is done with LSTM. following modeling is made with a density of 128 and a density of 256. By learning from previous traffic, LSTM with a greater density gets a proportion of errors, namely RMSE 10.78%, MAE 8.24%, and MAPE 19.87%. 
Metode FMECA (Failure Modes, Effect, and Criticallity Analysis) untuk Penentuan Prioritas Pemeliharaan dan Pencegahan Gangguan pada Penyulang 20 kV di Wilayah Kerja PT. PLN (Persero) ULP Karebosi Sultan, Ahmad Rizal; Bachtiar, Muhammad Imran; Wafa, Habib Yardan
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4296

Abstract

Failure Modes, Effect, and Criticality Analysis is an analytical method to determine the cause of disturbance on 20 kV feeders in Unit Layanan Pelanggan Karebosi’s area of responsibility that will be used later to prioritize maintenance and prevention efforts. To determine the priority, the rating of severity, occurrence, and detection of each cause of disturbance recorded during the 2022 period is needed to be known beforehand. The cause of disturbance is prioritized based on the results of RPN (Risk Priority Number) and Criticality Analysis. Causes of disturbance that need to be prioritized for maintenance and prevention efforts are medium-voltage equipment, medium-voltage components, natural disasters, and third-party activity. The result from this analysis is to be used for reliability improvement planning in the future
RANCANG BANGUN ALAT UJI PERKOLASI TANAH BERBASIS ARDUINO Aryani, Dharma; Jusriadi, Jusriadi; Ifdal, Fahrul
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4299

Abstract

Water absorption testing through soil percolation test is mostly handled manually. During the testing process, it still requires many people to supervise it, and the reading error rate is still high. Therefore, a measuring instrument that works automatically is needed that can more specifically read the rate of water absorption into the soil accurately. In this final project, the tool is made using Arduino Mega, HC-SR04 ultrasonic sensor, 128x64 LCD, buzzer, NEO6MV2 GPS Module, RTC (Real Time Clock), push button, and Lithium-Ion Battery. The result of this final project is a soil permeability measuring instrument that can accurately measure the rate of water infiltration. Based on the results of design, testing and analysis of the design results, a soil permeability measuring instrument is obtained that can properly measure the rate of water infiltration
Analisis Sistem Perancangan Pembangkit Listrik Tenaga Surya (PLTS) On Grid Di Kampus 2 Politeknik Negeri Ujung Pandang Asri, Andarini; Amran, Muhammad Akhyar; Tadjuddin, Tadjuddin; Alfira, Wisna Saputri; AR, Ashar; Majid, Zulfiana Safitri
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4380

Abstract

Pada dasarnya, masyarakat diperkenalkan dengan model pembangkit listrik tenaga surya (PLTS) off-grid yang diaplikasikan untuk daerah yang tidak ada jaringan PLN dengan cara menyimpan energi pada siang hari dan menggunakannya di waktu malam. PLTS yang ditawarkan ke masyarakat menggunakan central inverter untuk beberapa modul photovoltaic, yang menghasilkan tegangan DC. Dalam penelitian ini, model PLTS on-grid dibangun untuk modul praktek yang langsung terhubung ke PLN serta tidak memerlukan baterai penyimpanan maupun charger sehingga mengurangi biaya investasi dan cocok diaplikasikan di masyarakat. Micro inverter berukuran kecil dapat dipasang langsung di bawah modul surya dan menghasilkan tegangan AC yang langsung dapat dimanfaatkan. Modul yang dibangun adalah sebuah PLTS on-grid 200 wp dengan menggunakan micro inverter 1000 watt dan dilengkapi dengan beban listrik berupa bola lampu dan stop kontak. Untuk pengambilan data, model ini dihubungkan dengan jaringan PLN melalui pelanggan listrik rumah tangga dengan daya 900 VA. Hasil pengukuran PLTS ini mampu membangkitkan daya sebesar 53,2 Watt dan berhasil mendistribusikan daya ke jaringan PLN sebesar 0,18 kWh dalam sehari. Model PLTS ini siap digunakan sebagai modul praktek dan juga media promosi ke masyarakat tentang model PLTS on-grid yang mempunyai nilai ekonomi untuk membantu pemerintah dalam pencapaian target nasional di bidang renewable energy.
Analisis Penentuan Letak Trafo Distribusi Pada Penyulang Walmas Menggunakan ETAP Power Station 12.6.0 Arifyanto, Dedy
Jurnal Teknologi Elekterika Vol. 20 No. 1 (2023)
Publisher : Jurusan Teknik Elektro Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/elekterika.v20i1.4502

Abstract

Distribution transformers are devices designed to transmit electrical energy from the power source to consumers. The loading percentage on distribution transformers must not exceed the health index standard of 80% of their capacity, in accordance with the regulations of PT.PLN (Persero) as stated in directorate circular Number: 0017.E/DIR/2014. In addition to the loading percentage, the voltage variation in electrical distribution must comply with the specified limits of +5% and -10% from the nominal voltage as per SPLN No.1 of 1995. This research was conducted to analyze one of the distribution transformers that experienced overload, leading to a voltage drop in the electrical network system, necessitating appropriate measures to address the issue. The load forecasting for determining the capacity and lifespan of transformers is conducted using the Least Square method. Data from 2022 shows that the distribution transformer with the code "gardu 610.OK," with a capacity of 100 kV in the Walmas feeder at PT. PLN (Persero) ULP Palopo Kota, experienced an excessive load of up to 85.67%, resulting in a voltage drop of up to 18.2%. The research findings indicate that the installation of an additional transformer can reduce the loading percentage to 52.95% and improve the voltage drop percentage to 4.9% in the first quarter of 2023.

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