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INDONESIA
Journal Of Electrical Engineering And Technology
Published by Universitas Darul Ulum
ISSN : 29647320     EISSN : 27225321     DOI : 10.32492/jeetech.v7i1
Core Subject :
Jurnal JEETech: Journal Of Electrical Engineering And Technology. Journal of Darul Ulum University Jombang in collaboration with the Faculty of Engineering, Darul Ulum University Jombang with the Indonesian Electrical Engineering Higher Education Forum (FORTEI). Region VII. East Java. This journal contains research results in the fields of Power Engineering, Telecommunication Engineering, Computer Engineering, Control and Computer Systems, Electronics, Information Technology, Informatics, Data and Software Engineering, Biomedical Engineering. All submitted articles must report original, previously unpublished, experimental or theoretical research results that are not published and are being considered for publication elsewhere.
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Articles 105 Documents
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Solar Energy Assisted Heat Pump Water Heater
Jurnal JEETech Vol. 6 No. 1 (2025): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i1.6107

Abstract

A solar energy-assisted heat pump water heating system has been developed to improve household water heating efficiency. The system consists of a compressor, evaporator, capillary pipe, and condenser wrapped around a tank to avoid leakage. This study aims to evaluate the performance of the system through coefficient of performance (COP) measurements at 30 liter and 60 liter tank capacities. The test was conducted for five days with sunny weather conditions and data collection on temperature, solar radiation, and compressor power between 10:00 am and 2:00 pm. The results showed that the highest COP of 2.46 was obtained at a capacity of 60 liters, while 1.25 for a capacity of 30 liters. An increase in the final water temperature led to a decrease in COP, indicating that the system is more efficient at lower temperatures. This system shows the potential of utilizing renewable energy for efficient and economical water heating for household applications.
Rancang Bangun Sterilisasi Autoclave Menggunakan Metode Dry Heat Arduino Uno Pada Alat Kedokteran Gigi
Jurnal JEETech Vol. 6 No. 1 (2025): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i1.6109

Abstract

Sterilization is an important process in dentistry to ensure that the instruments used are free from pathogenic microorganisms. This study aims to design and build an Autoclave sterilization system using the dry heat method based on Arduino Uno. This system is designed to provide an effective and efficient solution in the sterilization process of dental instruments. The method used in this study involves designing hardware and software integrated with Arduino Uno. The hardware consists of heating elements, temperature sensors, and control systems designed to regulate temperature accurately and consistently. Sterilization of dental instruments is very important to maintain cleanliness and prevent cross-infection. This final project is entitled "Design and Construction of Autoclave Sterilization Using the Arduino Uno-Based Dry Heat Method on Dental Instruments". The main objective of this study is to design an effective and efficient sterilization tool by utilizing the dry heat method which is safer than conventional steam-based methods. The design of this autoclave uses the Arduino Uno microcontroller as the main controller of the system, which functions to regulate the temperature and sterilization time automatically. Temperature sensors and heating elements are integrated to maintain the temperature at the optimum range (100-150°C) required in dry heat sterilization. In addition, a user-friendly interface is added to facilitate monitoring of the sterilization process. It is expected that this tool is capable  to carry out the sterilization process effectively in a shorter time, without sacrificing the quality of sterilization. This system offers more precise control and can be customized according to user needs, making it an ideal solution for dental clinics with limited budgets. Thus, this device is expected to be a useful innovation in improving hygiene standards in dental clinics, in accordance with the adage "Innovation is the key to the future" reminding us that technological advances, such as those applied in this project, can bring about major changes in the healthcare industry.
Prediksi Jumlah Permintaan Darah Jenis Packed Red Cells Menggunakan Support Vector Regression Ahmad Izzuddin; Farhatin Nikmah; Nuzul Hikmah
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6209

Abstract

The Blood Transfusion Unit (UTD) of the Indonesian Red Cross (PMI) in Probolinggo Regency faces challenges in managing blood supplies, particularly for Packed Red Cells (PRC), due to unpredictable fluctuations in demand. The imbalance between supply and demand often leads to shortages or surpluses, affecting the quality of healthcare services. This study aims to predict the demand for PRC to support more efficient inventory management. The method employed is Support Vector Regression (SVR), an approach within the Support Vector Machine (SVM) algorithm that is effective for regression and prediction tasks. Historical blood demand data was used to train the model. The results indicate that SVR provides sufficiently accurate predictions for all blood types, with the best performance achieved for blood type B, yielding a Root Mean Square Error (RMSE) of 0.0589 and a Mean Absolute Percentage Error (MAPE) of 7.11%. In conclusion, the SVR method can be effectively applied to forecast PRC demand and has the potential to support decision-making in blood stock management at the UTD PMI of Probolinggo Regency.
Perancangan Alat Monitoring Emisi Gas Buang Kendaraan berbahan bakar Solar Felix Felix; Sabar Setiawidayat
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6208

Abstract

Setiap kendaraan bermotor akan menghasilkan emisi. Emisi yang dimaksud diantaranya adalah Karbondioksida (CO2) dan Karbonmonooksida (CO). Seperti diketahui bahwa dump truck umumnya bermesin diesel dengan bahan bakar solar. Emisi gas buang merupakan hasil pembakaran bahan bakar dalam mesin diesel, yang dikeluarkan melalui knalpot ke udara bebas sehingga menghasilkan polusi. Dampak dari polusi ini maka akan mempengaruhi kesehatan bagi manusia yang menghirupnya, termasuk hewan dan tumbuhan. Kurang terkontrolnya emisi gas buang kendaraan yang beroperasi, disebabkan keterbatasan alat monitoring emisi yang hanya dimiliki oleh instansi tertentu (Dishub dan Polda). Penelitian ini bertujuan untuk merancang alat monitoring emisi kendaraan berbahan bakar solar. Sensor mq2 untuk konsentrasi gas CO dan sensor mq7 untuk konsentrasi CO2 digunakan sebagai detektor emisi. Sensor di pasang di depan knalpot kendaraan dalam keadaan mesin hidup dan posisi diam. Pengambilan data dilakukan pada beberapa kondisi rpm putaran mesin. Berdasarkan hasil pengukuran terhadap 4 kendaraan dump truck, kandungan kadar CO2 semua kendaraan dalam batas aman untuk semua putaran mesin, namun terdapat 1 kendaraan yang memiliki kadar CO diatas Nilai ambang Batas (NAB) pada putaran diatas 1200 rpm. Pengukuran emisi untuk kendaraan pribadi menunjukkan bahwa kadar CO2 untuk semua putaran dalam batas aman sedangkan kadar CO diatas NAB jika putaran diatas 2400 rpm . Hasil uji komparasi nilai CO2 antara alat desain dan CO2 ref menunjukkan tidak ada perbedaan yang signifikan pada a 0.05 untuk 4 kendaraan Kata kunci : . sensor, emisi, monitoring, solar
Analysis of Load Diversion Due to AAACS Cable Breaks in the Bandar Jaya Lampung Distribution System M Khoirul Anam; Made Wartana; Irrine Budi Sulistiawati
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.62002

Abstract

The electric power distribution system is the final component that is connected to consumers in the energy transmission chain. This distribution system is particularly vulnerable lightning strikes that can cause conductor cables to break. The 20 kV distribution network of the Rambutan Feeder, under Bandar Jaya ULP in Lampung, experienced a lightning strike that resulted in the disconnection of the AAACS cable, leading to a power outage in the service area. The geographical conditions of the Lampung region, which has a high isokeraunic level, contribute significantly to the likelihood of lightning-related disturbances. Based on real data, this study analyzes the impact of disturbances caused by lightning strikes on Feeder and proposes mitigation strategies to minimize the effects of resulting power outages. Analysis using ETAP shows that the recomendation to divert the load sypply to the arimbi feeder is able to maintain the bus voltage at a rating of 19,86 KV.
Coordination and Setting of Overcurrent Relays on The PLTMG BMPP Nusantara 1 Generator Ronal Siregar; Marceau Haurissa; Marselin Jamlaay
Jurnal JEETech Vol. 7 No. 1 (2026): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v7i1.71001

Abstract

The electrical power system can distribute electrical energy optimally if power plants generate electrical energy with high reliability. However, disturbances in the electrical system can affect reliability. Therefore, safety equipment is necessary. In electrical power systems, protection devices are used to minimize disturbances, and protection relays must function properly. One of the protection devices used in generators is an overcurrent relay. To avoid relay failure, it is important to evaluate the overcurrent relay and test the reliability characteristics of the relay. Based on the overcurrent relay coordination test results, the calculation settings show that the relay is capable of handling maximum and minimum short-circuit currents, but with the existing settings, the relay does not function properly at minimum short-circuit currents. The maximum short-circuit current is 17.185A, and the minimum fault current is 13.828A. Comparing the calculation results with the existing settings, there are differences: for the inverse relay, the primary setting current is 494A and the secondary setting current is 0.988A, while for the definite time relay, the primary current is 3.666A and the secondary current is 7.3A with a relay operating time setting of 0.5 seconds. Meanwhile, the primary setting current value for the definite time relay is 526A and the secondary current is 1.05A, while the primary setting current for the definite time relay is 1.173A and the secondary current is 2.34A with an operating time of 0.6s. In the inverse relay, the calculated setting current value is lower than the existing setting. For the definite-time relay, the test results show a faster operating time and a higher setting current compared to the existing conditions, so the calculated results have the potential to improve the reliability of protection against overcurrent faults. By evaluating existing relay settings against calculated minimum and maximum short circuit currents, this study identifies critical gaps in generator protection. The data suggests that current settings lack the necessary sensitivity for low level fault detection. Consequently, we developed more responsive inverse and definite time relay configurations. This approach enhances the overall dependability of the protection scheme and serves as a vital technical guide for engineers tasked with optimizing overcurrent relay coordination in complex power grids."
Pembangunan Desa Melalui Energi Terbarukan Melaui Perancangan Pembangkit Listrik Tenaga Surya Untuk Fasilitas Umum Yulianto La Elo; Rusliadi
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.62001

Abstract

Sebagai negara kepulauan dengan potensi alam yang melimpah, Indonesia memiliki peluang besar untuk mengembangkan energi terbarukan di desa-desa. Ketersediaan energi listrik di Indonesia yang mayoritas masih bergantung pada energi fosil belum bisa memenuhi permintaan kebutuhan listrik yang dibutuhkan oleh daerah khususnya di kepualuan dan daerah yang sulit di jangkau oleh aliran listrik PLN. Salah satunya adalah Kampung Andamata, Distrik Arguni Kabupaten Fakfak. Fakfak merupakan kabupaten di Provinsi Papua Barat yang terdiri atas gugusan pulau yang sistem kelistrikannya masih didominasi oleh PLN dengan menggunakan pembangkit listrik tenaga diesel. Sektor ketenagalistrikan mempunyai peranan yang sangat strategis dan menentukan dalam upaya menyejahterakan masyarakat dan mendorong berjalannya roda perekonomian, khususnya di Kabupaten Fakfak. Karena peran strategisnya, seyogianya energi listrik tersedia dalam jumlah yang cukup dengan mutu dan tingkat keandalan yang baik. Penelitian ini mencoba merancang Pembangkit Listrik Tenaga Surya Untuk Fasilitas Umum untuk mendukung Perencanaan Pembangunan Desa Melaui Energi Terbarukan di Kampung Andamata Distrik Arguni Kabupaten Fakfak. Perancangan dilakukan melalui perhitungan beban harian fasilitas umum di Kampung Andamata yakni sebesar 59712W/hari. Kemudian dilakukan simulasi menggunakan perangkat lunak HOMER yang mendapatkan konfigurasi sistem berupa, 19,642 kW panel surya, konverter 16 kW, 16 buah baterai dengan kapasistas 4,8kWh dan jaringan (grid) dengan konfigurasi optimal terpilih memiliki nilai NPC (Net Present Cost) sebesar Rp.638.047.300,00 dan COE (Cost of Energy) sebesar Rp29.605.080,00 dan Rp.1.545,73/kWh.
Evaluasi Efektifitas Kompensator Satu Fasa terhadap Konsumsi Daya dan Biaya Listrik Ahmad Wahyudi; Sabar Setiawidayat
Jurnal JEETech Vol. 7 No. 1 (2026): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v7i1.7108

Abstract

Abstrak—Peredaran c-bank atau kompensator atau kapasitor bank, banyak dijual dipasaran dan ditawarkan kepada konsumen listrik rumah tangga dengan informasi dapat menurunkan biaya pembayaran listrik. Masyarakat pengguna listrik masih belum mendapatkan informasi yang jelas, apakah c-bank ini dapat menurunkan konsumsi pemakaian energi listrik, yang juga berdampak kepada pembayaran listrik. Penelitian ini bertujuan untuk mengevaluasi efektivitas kompensator 1 fasa dalam mengurangi konsumsi daya dan energi listrik. 5 buah kompensator tunggal masing-masing dipasangkan pada 6 beban listrik tunggal dan 7 buah kompensator sentral dihubungkan pada 10 beban rumah tangga. Berdasarkan hasil penelitian bahwa kompensator hanya berpengaruh terhadap perubahan daya semu dan daya reaktif sedangkan daya nyata tidak berubah secara signifikan. Perbaikan faktor daya berpengaruh kepada penambahan daya semu namun tidak berpengaruh kepada biaya pemakaian energi listrik. Pemasangan kompensator yang tidak sesuai dengan kebutuhan beban dapat menurunkan nilai faktor daya beban dari sebelumnya.
Potensi Energi PLTS Rooftop dalam Rangka Mewujudkan Efisiensi Energi di Lingkungan Politeknik Negeri Fakfak Rusliadi Rusliadi; Yulianto La ELo; Nurul Husnah; Riva Wahyudi; Naomi Lembang; Herman HR
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6204

Abstract

Pertembuhan populasi dan kemajuan teknologi yang sangat signifikan menjadikan kebutuhan energi yang sebelumnya bergantung pada energi fosil semakin meningkat. Ketergantungan ini menyebabkan adanya kekhawatiran akan sumber daya alam yang terbatas dan juga emisi karbon yang tinggi. Oleh karena itu, diperlukan transisi energi ke energi terbarukan yang juga merupakan salah satu langkah penting untuk menjaga keberlanjutan energi nasional. Salah satu solusi yang paling potensial adalah Pembangkit Listrik tenaga Surya (PLTS) yang sumber energinya berasal dari energi matahari. Indonesia memiliki peluang lebih tinggi untuk radiasi matahari rata -rata 4,8 kWh/m² per hari. Fakta ini meningkatkan urgensi penggunaan energi matahari di daerah seperti Kabupaten Fakfak di Papua Barat. Ini juga merupakan tantangan dalam ketersediaan energi karena ketergantungannya pada jaringan listrik tradisional. Penelitian ini bertujuan untuk menganalisis secara kuantitatif potensial energi matahari sebagai pembangkit tenaga listrik serta mengebangkan system PLTS rooftop yang optimal pada lingkungan politeknik negeri fakfak. Metode yang digunakan dalam penelitian ini meliputi studi literaur, pengamatan lokasi, pengumpulan data radiasi matahari dari BMKG dan analisis konsumsi energi kampus. Penelitian ini dilengkapi dengan perangkat lunak PVSYST untuk mensimulasikan dan menetukan desain yang efisien. Hasil simulasi menunjukkan bahwa perkiraan iradiasi pertahun mencapai 2091,9 kWh dengan energi efektif yang dapat disalurkan sebesar 61.393 kWh/Tahun atau dapat mensuplai energi sebesar 170 kWh/Hari. Adapun rugi-rugi daya yang muncul akibat pengaruh suhu sebesar -10,73% dan konversi daya oleh inverter sebesar -4,62%.
Performance Analysis of Building-Embedded Loop Antenna Systems for Smart City IoT Networks Farhan Rezki Arifin; Nurmayanti Zain; Lompo Ramos Emakarim
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6207

Abstract

The increasing demand for seamless connectivity in Smart City environments has encouraged the integration of communication systems directly within building infrastructures. This study presents the performance analysis of a building-embedded loop antenna system designed for sub-GHz Internet of Things (IoT) applications. The proposed antenna, made of stainless steel and embedded in a reinforced concrete column, was modeled and simulated using Ansys HFSS (High Frequency Structure Simulator) based on the Finite Element Method (FEM). Analytical and full-wave simulations were conducted to evaluate key electromagnetic parameters, including return loss, voltage standing wave ratio (VSWR), impedance bandwidth, and radiation characteristics. The results showed that the antenna achieved resonance at 700 MHz with a return loss of –20.95 dB and a VSWR of 1.196, demonstrating excellent impedance matching. The impedance bandwidth covered 563–939 MHz, ensuring compatibility with various IoT protocols such as LoRaWAN, NB-IoT, Z-Wave, and ZigBee. Despite reduced gain due to dielectric absorption and coupling within the concrete medium, the antenna maintained an omnidirectional radiation pattern, suitable for low-power IoT nodes. These findings indicate that building-embedded loop antennas can function as integrated communication elements while preserving architectural integrity.

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