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Oktaf Brillian Kharisma
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INDONESIA
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE)
Published by Institut Riset dan Publikasi Indonesia
ISSN : 27971155     EISSN : 27970868     DOI : https://doi.org/10.57152/ijeere.v2i1
Core Subject : Science, Social, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) is a scientific journal published by the Institute Research and Publication Indonesia (IRPI) in collaboration with several universities throughout Riau and Indonesia. IJEERE will be published 2 (two) times a year, June and December, each edition contains 15 (fifteen) articles. Articles can be written in Indonesian or English. articles are original research results with a maximum plagiarism of 20%. Articles submitted to IJEERE will be reviewed by at least 2 (two) reviewers. Articles submitted must meet the assessment criteria and comply with the instructions and templates provided by IJEERE. Authors must upload the Intellectual / Copyright Statement when submitting the manuscript. Papers must be submitted via the Open Journal System (OJS) in .doc or .docx format. The entire process until IJEERE is issued is free of charge. IJEERE is registered in National Library with Number International Standard Serial Number (ISSN) Printed: 2797-1155 and Online 2797 - 0868. The focus and scope of IJEERE includes: (a) Wireless Communication, (b) Optical Communication, (c) RF, Microwave, and Antenna Design, (d) • Telecommunication Networks, (e) Control Systems, (f) Nuclear New Energy, (g) Renewable Energy
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 64 Documents
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Penerapan Teknik Data Mining Terhadap Prediksi Masa Studi Mahasiswa Menggunakan Algoritma C4.5 : Penerapan Teknik Data Mining Terhadap Prediksi Masa Studi Mahasiswa Menggunakan Algoritma C4.5 Anugrah Rizki Putra
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 3 No 2 (2023): IJEERE December 2023
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v3i2.986

Abstract

Higher education is a key element in human resource development, and in the information age, data generated by universities is becoming increasingly abundant, including data related to students' study duration. The duration of a student's study is a crucial indicator in evaluating the efficiency and effectiveness of higher education systems. This research presents the application of the C4.5 algorithm in the analysis of student study duration data using the RapidMiner software. The research findings indicate that the IPS1 attribute (Grade Point Average for Semester 1) is a determining factor in whether a student will graduate on time or be delayed. In the data analysis, if the IPS1 value exceeds 2.950, the student is considered "Graduated," while if it is less than or equal to 2.950, they are considered "Delayed." These results provide valuable insights for decision-makers in the field of higher education, demonstrating the potential of leveraging information technology and data mining to enhance the efficiency of the education system.
Penerapan Teknik Data Mining terhadap Prediksi Pemilihan Jurusan IPA/IPS Siswa Menggunakan Algoritma C4.5 : Penerapan Teknik Data Mining terhadap Prediksi Pemilihan Jurusan IPA/IPS Siswa Menggunakan Algoritma C4.5 Jean Rahmatika Jhody; Muhammad Ramadhan Tanjung; Snowhart Novolulu
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 3 No 2 (2023): IJEERE December 2023
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v3i2.987

Abstract

The selection of science (IPA) or social studies (IPS) majors is a crucial decision in a student's educational journey with significant implications for their academic and career development. This research discusses the implementation of data mining techniques using the C4.5 algorithm to predict the choice of IPA or IPS majors by students. The research results indicate that the most influential attribute in students' major selection is their National Examination (UN) scores. By employing the C4.5 algorithm, students with specific UN scores are categorized into either the IPA or IPS group. In data testing using RapidMiner, the analysis confirms the effectiveness of the C4.5 algorithm in predicting students' major choices. With the assistance of data mining technology, the data analysis process becomes more efficient, providing valuable insights for educational decision-making. This research makes a significant contribution to the development of more effective and efficient educational recommendation systems.
Analisis Penggunaan Proteksi Arus Lebih Pada Generator Studi Kasus PLTU Teluk Sirih: Analisis Penggunaan Proteksi Arus Lebih Pada Generator Studi Kasus PLTU Teluk Sirih Saputra, Ramadian
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 3 No 2 (2023): IJEERE December 2023
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v3i2.990

Abstract

The generator is one of the main components in the Teluk Sirih PLTU as a producer of electricity that will be supplied to consumers. The generator itself is not spared from existing disturbances. One of the disturbances that can occur in a generator is an overcurrent disturbance caused by a short circuit. Therefore the generator must be given a protection, namely an overcurrent relay which is useful for giving a signal to the PMT to open the circuit. In this report, we will test the performance of the overcurrent relay installed on the generator by looking for settings based on a 3-phase short circuit fault in one of the bus areas. The data used is in the form of Generator, Transformer and Overcurrent Relay specification data. Then from the data a series will be made and simulated using the ETAP 19.0.1 application. Based on the simulation that has been carried out, it is found that the magnitude of the 3-phase short circuit fault current in the Bus 2 area is 41501 A. Meanwhile for the overcurrent relay setting, the relay current is 3.39 A, the set current in the relay setting is 5982.757 A and the time is 0.34 s with a CT ratio of 1600:1. The result obtained is that the relay works according to the existing settings when a fault occurs and instructs the PMT to open the circuit.
Rancang Bangun Kompor Lipat Portable Thermoelektric untuk Pecinta Alam: Design and Build a Portable Thermoelectric Folding Stove for Nature Lovers sulistiyanto, sulistiyanto
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 3 No 2 (2023): IJEERE December 2023
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v3i2.1003

Abstract

A portable stove is a very practical and efficient cooking device, used when camping, traveling, or as an alternative in an emergency. This stove is equipped with a thermoelectric stove, which can convert heat into electrical power. The young nature lovers of Randu Tata Village, when camping in the mountains, often experience running out of battery on their cellphones because on the mountain there is no place to charge the battery. Because of this, a stove was made, as well as being useful as a cellphone charger. By using a quantitative approach method. The aim of the research is to make a portable folding stove that can be used to charge cellphones. The discussion plan, in this discussion, will focus on how the output on the wall of the folding stove can later be converted into electrical power using thermoelectric, then the output can be used to charger cellphones. In this folding stove, the electrical power using a thermoelectric generator increases with increasing temperature, when the temperature is 39°C the thermoelectric output is 0.37 volts, and when the temperature is 100°C the thermoelectric output is 2.24 volts. From the 5V Step Up USB Converter connector installed next to the stove, it can be used to fill/charge power banks, cellphone batteries, and can also power lights.
Penyetingan Rele Differensial Sebagai Proteksi Pada Transformator Daya 52 MVA Unit 4 PLTA Singkarak: Differential relay settings as protection on a 52 MVA Unit 4 Power Transformer PLTA Singkarak Ardiansyah, M. Rafli
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1405

Abstract

The protection system for electrical equipment is used to identify any disturbances and monitor any damage that may occur such as there is a difference between the incoming/primary and outgoing/secondary currents, and other electrical disturbances. One of them is the power transformer, of course the impact of these disturbances, if not resolved, will disrupt the power system at the plant. Then one solution is to use a protection device in the form of a differential relay. The purpose of preparing this report is to set up selective differential relays on power transformers. The method used in this report is manual and mathematical calculations on CT ratios, mismatch errors, restrain currents, differential currents, setting currents, CT secondary currents, and percent slope. After doing the mathematical calculations, we get the differential relay current setting, which is 0.21 A. The factory default setting is 0.3 A, or 30%, with the following assumptions: 10% for current transformer (CT), 1% for excitation settings , 4% for setting mismatch, 5% for safety factor, and 10% for setting leads. Differential Relay can function when the differential current is greater than the setting current; in this case, the relay will cause the circuit breaker to trip.
Sistem Proteksi Arus Lebih dengan Menggunakan SEPAM 1000+ T40 pada Transformator di Unit WHRPG PT. Semen Padang : Overcurrent Protection System Using SEPAM 1000+ T40 in the Transformer In The WHRPG Unit PT. Semen Padang Alfian, Defri
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1458

Abstract

The transformer is an important piece of equipment in the WHRPG generator system which functions to change the electric voltage from high to low or vice versa. In the transformer interference can occur which can damage the transformer. Therefore, it is necessary to have proper transformer protection to ensure safe operation and avoid damage that can disrupt the distribution of electric power. So that the related objective of this existing problem is protection is carried out to overcome disturbances that occur in transformers with equipment in the form of SEPAM 1000+ type T40. The method used is by collecting data on power transformer specifications, SEPAM 1000+ specifications and overcurrent relay settings for later analysis and calculations related to the magnitude of the fault current and the magnitude of the relay current setting. Based on the specifications of the transformer and the existing disturbances, the results show that the SEPAM 1000+ T40 in the WHRPG functions to protect the transformer from overcurrent disturbances, ground faults and overload disturbances, for the maximum current value on the transformer is 146.63 A, while the maximum overcurrent disturbance that can occur is 2,443.8 A, so that from the value of the disturbance, an overcurrent elay setting value of 175.95 A is obtained with a relay working time of 0.25 s. Then input the results of the settings earlier into SEPAM 1000+.
Sel Volta Buah Mengkudu sebagai Energi Listrik Alternatif : Noni Fruit Voltaic Cells as Alternative Electrical Energy Yusbarina
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1460

Abstract

Dry cell battery which is an example of a voltaic cell is one source of energy that is widely used in everyday life. A dry cell battery consists of a cathode, anode and an electrolyte paste. In commercial dry cell batteries, electrolyte paste is made from chemicals that are harmful and can pollute the environment. Therefore, it is necessary to find an alternative electrolyte paste that does not contain harmful chemicals and has a low price. This study aims to analyze the potential of noni fruit as a conductor of electric current (electrolyte paste) in dry cell batteries. Optimization of fruit maturity, fruit processing, and the number of voltaic cells of noni fruit was carried out. A series of voltaic cells was made consisting of copper (Cu) electrodes as cathode, zinc (Zn) electrodes as anode, and noni fruit as electrolyte paste. Each variation of the voltaic cell is measured by the electrical voltage produced using a voltmeter. The best variation results are connected to a 2.5 V LED lamp to be tested for flame and longevity. From the results of the study, it was found that the voltage produced by the 14 voltaic cells of the noni fruit was 11.59 V which could turn on the 2.5 V LED lamp very brightly in 6 days of life. Noni fruit has great potential in conducting electric current and can function as a natural electrolyte in voltaic cells. Keyword: batteries, electrolyte, noni fruit, electrical energy, voltaic cell.
Studi Mendalam tentang Partial Discharge pada Transformator Daya: Tantangan dan Analisis Artikel Terpilih: In-depth Study of Partial Discharge in Power Transformers: Challenges and Analysis Selected Articles M.Chaisar Al Furqon, Furqon
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1477

Abstract

Partial discharge (PD) is an electrical phenomenon that occurs in the insulation of a power transformer when high voltage causes the release of small amounts of electrical energy. Although PD itself does not directly cause damage, this phenomenon can gradually damage the insulation, reduce its effectiveness, and eventually lead to transformer failure if not detected and addressed. PD usually indicates a weakness or defect in the insulation system, such as an air gap, contamination, or damage to the insulation material. This article reviews recent research on PD in power transformers published since 2020 and selects some dominant studies for further analysis. The article identifies challenges in PD detection and analysis, such as sensor sensitivity, signal interference, and the need for more accurate diagnosis methods.
Kajian Literatur tentang Teknik Pengujian Tegangan Tinggi Impuls pada Sistem Distribusi Listrik : Literature Review on High-Voltage Impulse Testing Techniques in Electrical Distribution Systems Suhesya, Adelia Putri
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1499

Abstract

This literature review presents a comprehensive overview of impulse high voltage testing techniques applied in electrical distribution systems. Impulse high-voltage testing is required to evaluate the insulation resistance of electrical equipment to sudden voltage surges, such as those induced by lightning or switching disturbances. Through collecting data from scientific sources such as journals and electronic databases, this review classifies various testing techniques, including tests with lightning impulses and switching impulses, and discusses recent technological developments such as the use of advanced sensors and online monitoring systems. It also discusses comparisons between testing techniques, identifying the advantages, disadvantages, and challenges faced in the application of these techniques. It is hoped that this literature review will provide practical guidance and valuable academic contributions to electrical engineering professionals, as well as encourage further research into improving the reliability and safety of electrical distribution systems through impulse high voltage testing.
Analisis Komprehensif terhadap Framework dan Alat Penetration Testing: Tren, Tantangan, dan Peluang: Comprehensive Analysis of Penetration Testing Frameworks and Tools: Trends, Challenges, and Opportunities Fadhli, Mulkan
Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) Vol 4 No 1 (2024): IJEERE June 2024
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/ijeere.v4i1.1526

Abstract

The crucial method in cybersecurity aimed at identifying and exploiting vulnerabilities in information systems to enhance security is known as Penetration Testing. The author attempts to present a comprehensive analysis of various penetration testing frameworks and tools, including OWASP, PTES, NIST SP 800-115, OSSTMM, and ISO 27001. Each framework has its distinct advantages and disadvantages, depending on the specific context and needs of the organization. Various penetration testing tools are evaluated based on their ability to detect and exploit vulnerabilities. Recent trends show an increase in the use of automated and AI-based tools to improve efficiency and accuracy. Open-Source Intelligence (OSINT) techniques are also becoming increasingly important in gathering initial information before penetration testing is conducted. However, there are significant challenges in penetration testing, including the complexity of modern systems, resource constraints, evolving threats, regulatory compliance, and the security of the testing tools themselves. These challenges are balanced by significant opportunities in the development of new tools, enhanced collaboration among the security community, increased awareness and investment in cybersecurity, education and training, and integration with DevSecOps methodologies. This article aims to provide in-depth and practical guidance for organizations in selecting and implementing the most suitable penetration testing frameworks and tools according to their needs. With a better understanding of the advantages, disadvantages, trends, challenges, and opportunities in penetration testing, organizations can significantly enhance their security posture..

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