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All Journal Indonesian Journal of Fundamental Sciences Teknovokasi : Jurnal Pengabdian Masyarakat Seminar Nasional Hasil Penelitian LP2M UNM Information Technology Education Journal Jurnal MediaTIK UNM Journal of Technology and Vocational Journal of Renewable Energy and Smart Device
Yunus Tjandi
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Religion Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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SISTEM KENDALI HEMAT ENERGI PADA GEDUNG BERTINGKAT BERBASIS INTERNET OF THINGS (IoT) Yunus Tjandi; Zulhajji
UNM Journal of Technology and Vocational Volume 6, Issue 3, October (2022)
Publisher : Program Studi S2 Pendidikan Teknologi dan Kejuruan

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Abstract

Almost the entire structure that supports modern life is related to electrical energy. The reality on the ground illustrates that there are still many uses of electrical energy that are not well targeted, which causes many short circuit accidents. To prevent this, good and correct electrical knowledge is needed and must be added with the use of a control system based on the Internet of Things that is energy efficient and serves to secure the building and its contents. This study aims to: 1) create an Internet Of Things (IoT)-Based Energy-Efficient Control System Software that functions to control the use of electrical energy in high-rise buildings using a Smartphone, 2) produce an Energy-Efficient Control System Device using software that has been created , 3) create Interfaces and Applications for energy-efficient control system devices based on the Internet of Things (IoT) with the help of smartphones that function to control electrical devices in high-rise buildings, both from close range and remotely. Data collection in this study used interview techniques with control experts, literature techniques, and direct measurement techniques for the control devices used. The data analysis method used in this study is a logic-method, based on an Internet of Things (IoT)-based control system using aSmartphone. The results of the study show that: 1) The Internet Of Things (IoT)-Based Energy Saving Control System Software has worked well, this is evidenced by the operation of all control systems, both on the security system (MCB), as well as for various controlled loads, 2 ) The Internet Of Thingsbased Energy-Efficient Control System which is made to control the equipment has worked well, this has been proven in research trials using Smartphones, 3). Interface and Application of Control System based on Internet Of Things that is made to work well, and can control electrical equipment contained in a multi-storey building.
Pengembangan Aplikasi Mobile Bermuatan Problem Based Learning Sebagai Media Pembelajaran Interaktif Menggunakan Android Studio Mata Pelajaran Komputer Jaringan Dasar Nugrawati; Yunus Tjandi; Ruslan
Jurnal MediaTIK Volume 5 Issue 1, Januari (2022)
Publisher : Jurusan Teknik Informatika dan Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/mediatik.v5i1.1382

Abstract

Penelitian ini bertujuan untuk mengetahui kelayakan, kepratisan dan efektivitas media Pembelajaran Interaktif Berbasis Mobile Bermuatan Problem Based Learning Mata Pelajaran Jaringan Dasar pada Kelas X Program Keahlian TKJ Di SMKN 1 Bantaeng. Jenis penelitian yang digunakan adalah penelitian dan pengembangan R&D (Research and Development), menggunakan model yang peneliti gunakan adalah model pengembangan ADDIE. Data penelitian diperoleh dengan menggunakan Penelitian ini dilakukan di kelas X rogram keahlian TKJ di SMKN 1 Bantaeng. Penelitian menggunakan wawancara, observasi dan angket dalam pengumpuulan data. Hasil penelitian menunjukkan media pembelajaran interaktif berbasis Mobile bermuatan Problem Based Learning memperoleh skor 4,51 yang artinya media sangat valid atau sangat layak digunakan. Kedua, Media Pembelajaran Interaktif Berbasis Mobile Bermuatan Problem Based Learning Mata Pelajaran Jaringan Dasar pada Kelas X Program Keahlian TKJ Di SMKN 1 Bantaeng memperoleh skor 4,09 yang berada pada kategori tinggi yang artinya sangat praktis dalam penerapannya. Ketiga, Media Interaktif Berbasis Mobile Bermuatan Problem Based Learning Mata Pelajaran Jaringan Dasar pada Kelas X Program Keahlian TKJ Di SMKN 1 Bantaeng menununjukkan rata-rata saat post-test lebih tinggi dibanding rata-rata saat pre-test yaitu 66,71 menjadi 85.85, yang artinya media pembelajaran cukup efektif dalam penerapannya
Load Shedding Analysis using Under Frequency Relay (UFR) at Bolangi Substation using ETAP Software Rezky Ramadhani; Yunus Tjandi; Zulhajji; Muh. Iswal Burhan
Journal of Renewable Energy and Smart Device Vol. 3 No. 1 November 2025
Publisher : PT. Global Research Collaboration

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Abstract

This study aims to analyze the performance of the load shedding system using Under Frequency Relay (UFR) at the Bolangi Substation as an effort to maintain the stability of the power system frequency. A supply disruption from Bayline Daya Baru (#2) occurred, namely a disturbance due to a lightning strike, which is an important background in this study. A decrease in frequency due to power imbalance can cause a total power outage (blackout), so a responsive UFR protection system is needed. Simulations were carried out using ETAP 19.0 software with a bayline release scenario to analyze the frequency response and effectiveness of automatic load shedding. The simulation results show that a frequency decrease of up to 48.60 Hz can be restored to 50 Hz in 2.47 seconds through gradual load shedding of 13.34 MW by UFR stages 2 and 4. This study provides an overview of the load shedding stages based on the frequency setting values ​​and periodic UFR working times as well as the use of ETAP for continuous evaluation of the protection system at the substation.
Co-Authors Abdul Ma’arief Al Imran Ahmad Nizar Musagani Alimuddin Sa’ban Miru Dyah Vitalocca Febry Maryani Yatu Haripuddin Husain Syam Iwan Suhardi Jumadi Mabe Parenreng Lu'mu MARDIANA Marthen Paloboran Muh. Iswal Burhan Muh. Yusuf Mappeasse Muhammad Riska Muhammad Yahya Nugrawati Nurafni Purnamawati Rezky Ramadhani Ruslan Syarifuddin Kasim Tri Agung Nusantara Yoldis Hasrianti I Zulhajji