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MSI Transaction on Education
Published by Minangkabau Scholar Institute
ISSN : 27164713     EISSN : 27214893     DOI : -
Core Subject : Economy, Humanities, Education, Social, Engineering,
Humanities Economics, Econometrics & Finance Education Engineering Social Sciences
MSI Transaction on Education is a Quarterly peer-reviewed and refereed open access journal that publishes articles which contribute new results in all areas of Education. The journal is devoted to the publication of high quality papers on theoretical and practical aspects of Educational research. The goal of this journal is to bring together researchers and practitioners from academia and industry to focus on Educational advancements, and establishing new collaborations in these areas. Original research papers, state-of-the-art reviews are invited for publication in all areas of Education. Journal scope are: 1. Social science and Humanities: Social Science and Humanities, Sociology, Social Welfare, Anthropology, Religious Studies, Visual Arts, Political, Cultural Aspects of Development, Tourism Management, Public Administration, Psychology, Philosophy, Political Science, History, Education, Women Studies and so on. 2. Science and Engineering: All kind of Science and Engineering, Technology and Innovation, Environmental Studies, Climate Change, Agricultural, Rural Development, Urban Studies etc. 3. Business and Economics: Business and Marketing, Economics, Financial Development, Accounting, Banking, Management, Human Resources etc.
Arjuna Subject : Umum - Umum
Articles 5 Documents
 1 
Search results for , issue "Vol 5 No 3 (2024): MSI Transaction on Education" : 5 Documents clear
Simulasi Pengontrolan Tegangan Arus dan Frekuensi Generator Induksi Tiga Fasa Menggunakan Electronic Load Controller Tipe AC-DC Konverter Tiga Fasa Anhar, Nur Fajri; Krismadinata
MSI Transaction on Education Vol 5 No 3 (2024): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v5i3.136

Abstract

Generator induksi umumnya digunakan di daerah terpencil namun cenderung rentan terhadap fluktuasi tegangan. Penelitian ini mengusulkan penggunaan AC-DC Konverter 3 Fasa dengan Electronic Load Controller (ELC) untuk mengatasi masalah tersebut. Konverter ini mengubah tegangan AC menjadi DC dengan nilai bervariasi, yang diatur oleh ELC untuk menjaga tegangan generator dalam rentang yang diinginkan dan memperbaiki frekuensinya. Hasil penelitian menunjukkan bahwa tegangan keluaran yang bervariasi dapat diimbangi secara real-time dengan konsumsi daya, meningkatkan keandalan dan efisiensi generator induksi dalam menyediakan listrik stabil di daerah terpencil. Induction generators are generally used in remote areas but tend to be susceptible to voltage fluctuations. This research proposes the use of a 3 Phase AC-DC Converter with an Electronic Load Controller (ELC) to overcome this problem. This converter converts AC voltage to DC with varying values, which are regulated by the ELC to keep the generator voltage within the desired range and increase its frequency. The research results show that variations in output voltage can be balanced in real-time with power consumption, thereby increasing the reliability and efficiency of induction generators in providing stable electricity in remote areas.
Studi Uji Coba Terbatas: Efektivitas PBL Berbasis Ekosistem E-learning dalam Pembelajaran Teknologi Alat Berat Teknik Otomotif Koto, Rahmat Desman; Sari, Putri Mayang; Ambiyar, Ambiyar; Zaus, Mahesi Agni; Wagino, Wagino
MSI Transaction on Education Vol 5 No 3 (2024): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v5i3.149

Abstract

Penelitian ini mengkaji efektivitas metode Problem Based Learning (PBL) berbasis e-learning dalam pembelajaran teknologi alat berat pada program vokasi otomotif. Subjek penelitian terdiri dari 13 peserta didik yang mengikuti pretest dan posttest untuk mengukur pemahaman sebelum dan setelah perlakuan. Hasil menunjukkan peningkatan signifikan pada nilai posttest (rata-rata 75.38) dibandingkan pretest (rata-rata 24.85), dengan N-Gain score rata-rata 0.7 dan Effect size sebesar 5.7. Hasilnya metode PBL berbasis e-learning efektif dalam meningkatkan pemahaman peserta didik. Saran diberikan untuk memperluas implementasi metode ini, mengembangkan modul interaktif, melatih instruktur, melakukan evaluasi berkelanjutan, dan memastikan infrastruktur teknologi yang memadai. Penelitian ini memberikan bukti bahwa pendekatan ini dapat meningkatkan kualitas pendidikan vokasi otomotif. This study examines the effectiveness of the e-learning-based Problem Based Learning (PBL) method in learning heavy equipment technology in automotive vocational programs. The research subjects consisted of 13 students who took pretest and posttest to measure understanding before and after treatment. The results showed a significant increase in the posttest score (average 75.38) compared to the pretest (average 24.85), with an average N-Gain score of 0.7 and an Effect size of 5.7. As a result, the e-learning-based PBL method is effective in improving student understanding. Suggestions were given to expand the implementation of these methods, develop interactive modules, train instructors, conduct ongoing evaluations, and ensure adequate technological infrastructure. This study provides evidence that this approach can improve the quality of automotive vocational education.
Studi Perbandingan Performa Camshaft Standar dan Modifikasi pada Sepeda Motor Empat Langkah 100 cc Purnama, Alvin; Fernandez, Donny; Alwi, Erzeddin; Arif, Ahmad; Sutiman, Sutiman
MSI Transaction on Education Vol 5 No 3 (2024): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v5i3.152

Abstract

Teknologi otomotif berkembang untuk memenuhi kebutuhan mobilitas yang meningkat. Camshaft yang mengatur buka tutup katup, merupakan komponen penting dalam mesin sepeda motor dan mempengaruhi performa mesin. Penelitian ini membandingkan performa camshaft standar dan modifikasi pada sepeda motor empat langkah 100 cc melalui metode eksperimen kuantitatif. Camshaft modifikasi memiliki durasi buka lebih lama, waktu buka lebih awal, waktu tutup lebih lambat, lift lebih tinggi, LSA lebih besar, dan overlap lebih luas dibandingkan camshaft standar, yang secara keseluruhan meningkatkan efisiensi volumetrik dan performa mesin. Pengujian dynotest dilakukan pada putaran mesin 2000-5000 rpm untuk mengukur torsi, daya, dan kecepatan maksimum. Hasil menunjukkan camshaft modifikasi meningkatkan torsi dari 10.34 Nm menjadi 13.00 Nm, daya dari 2.16 kW menjadi 2.95 kW, dan kecepatan maksimum dari 32.84 km/h menjadi 37.00 km/h pada 2000 rpm. Pada 5000 rpm, daya camshaft modifikasi sedikit lebih rendah dibandingkan camshaft standar. Modifikasi camshaft efektif meningkatkan performa mesin pada putaran rendah hingga menengah, memberikan kontribusi penting bagi industri otomotif dan pengguna sepeda motor. Automotive technology is evolving to meet the increasing needs of mobility. The camshaft, which regulates the opening and closing of the valves, is an important component in motorcycle engines and affects engine performance. This study compares the performance of standard and modified camshafts on four stroke 100 cc motorcycles through quantitative experimental methods. Modified camshafts have longer opening durations, earlier opening times, slower closing times, higher lifts, larger LSAs, and wider overlaps than standard camshafts, which overall improves volumetric efficiency and engine performance. The dynotest test was performed at 2000-5000 rpm engine revolutions to measure maximum torque, power, and speed. The results showed that the modified camshaft increased torque from 10.34 Nm to 13.00 Nm, power from 2.16 kW to 2.95 kW, and maximum speed from 32.84 km/h to 37.00 km/h at 2000 rpm. At 5000 rpm, the power of the modified camshaft is slightly lower than that of the standard camshaft. Camshaft modifications are effective in improving engine performance at low to medium revs, making an important contribution to the automotive industry and motorcycle users.
Modifikasi Algortma MPPT untuk Meningkatkan Kinerja Sistem PLTS Zulkifli; Asnil
MSI Transaction on Education Vol 5 No 3 (2024): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v5i3.147

Abstract

Maximum Power Point Tracking (MPPT) merupakan teknik untuk memaksimalkan daya dari photovoltaic. MPPT algoritma perturb and observe adalah metode yang banyak digunakan dan cukup sederhana. Metode (P&O) memiliki keterbatasan meningatkan efisiensi dan memiliki masalah osilasi, kecepatan pelacakan titik daya maksimum, konvergensi terutama saat mengalami perubahan kondisi atau radiasi cepat. Penelitian ini dilakukan untuk melihat kinerja algoritma perturb and observe dan melakukan modifikasi untuk meningkatkan kinerjanya mengatasi osilasi, konvergensi, efesiensi pelacakan serta kecepatan pelacakan. Kinerja dari algoritma akan di lihat melalui simulasi dan dievalusi untuk melihat seberapa besar peningkatan kinerja yang dapat di capai dari menggunakan algoritma P&O yang di modifikasi. Simulasi mununjukkan algoritma P&O modifikasi memiliki keungulan dari P&O konvensional. Maximum Power Point Tracking (MPPT) is a technique to optimize the power from photovoltaic. The perturb and observe algorithm MPPT is a widely used and fairly simple method. P&O method has limitations to increase efficiency and has oscillation problems, maximum power point tracking speed, convergence especially when experiencing rapid changes in condition or radiation. This reserch is conducted to see the performance of the perturb and observe algorithm and make modifications to improve its performance to overcome oscillations, convergence, tracking efficiency and tracking speed. The performance of the algorithm will be seen through simulation and evaluated to see how much performance improvement can be achieved from using the modified P&O algorithm. Simulation show that the modified P&O algorithm has advantages over conventional P&O.
Rancang Bangun Kendali Konverter Empat Kuadran untuk Motor DC dengan Interface GUI Matlab Fitri, Dahlia Hidul; Krismadinata; Padrigalan, Kathleen Ebora
MSI Transaction on Education Vol 5 No 3 (2024): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v5i3.154

Abstract

Motor listrik, khususnya motor DC, mempunyai peran penting dalam proses produksi industri untuk mencapai hasil optimal. Motor DC digunakan dalam berbagai aplikasi industri seperti conveyor, elevator, dan peralatan tekstil karena kemudahan pengaplikasian dan skala pengaturan kecepatan yang lebih lebar dibandingkan motor arus bolak-balik. Namun, penurunan kecepatan akibat beban sering menjadi masalah sehingga diperlukan sistem pengendalian, seperti kendali konverter empat kuadran (DC chopper), untuk mengatur arah putaran dan pengereman serta kecepatan motor DC. DC chopper mengubah tegangan DC menjadi tegangan DC variabel yang dapat dikendalikan, dan DC chopper empat kuadran memungkinkan kontrol tegangan motor DC pada empat daerah (positif atau negatif). Dalam penelitian ini, DC chopper digunakan untuk mengendalikan tegangan motor DC yang diintegrasikan dengan interface GUI Matlab untuk monitoring sistem. GUI Matlab dapat pengoperasian alat menggunakan komputer tanpa perlu mengaktifkan saklar manual, sehingga proyek ini dapat dijalankan dengan dua metode. Pada penelitian ini, pengujian sistem kendali konverter empat kuadran untuk motor DC dilakukan dengan interface GUI Matlab. Electric motors, especially DC motors, play an important role in industrial production processes to achieve optimal results. DC motors are used in various industrial applications such as conveyors, elevators, and textile equipment due to their ease of application and wider speed regulation scale compared to alternating current motors. However, speed degradation due to load is often a problem so a control system, such as a four-quadrant converter control (DC chopper), is needed to regulate the rotation and braking direction and speed of DC motors. A DC chopper converts a DC voltage into a controllable variable DC voltage, and a four-quadrant DC chopper allows control of the DC motor voltage in four regions (positive or negative). In this research, a DC chopper is used to control the DC motor voltage integrated with a Matlab GUI interface for system monitoring. The Matlab GUI allows operation of the device using a computer without the need to activate a manual switch, so this project can be run using two methods. In this research, testing of the four-quadrant converter control system for DC motors was conducted with the Matlab GUI interface.

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