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All Journal Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences International Journal of Economic, Technology and Social Sciences (Injects)
Adi Sastra P. Tarigan
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Public Health Social Sciences

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Digital Learning: Modeling and Simulation of Three-Phase Short Circuit Fault Currents Using the Case Method for Strengthening MBKM Policy Rahmaniar Rahmaniar; Agus Junaidi; Adi Sastra P. Tarigan; Dicky Lesmana; M. Rizki S.; Abd. Hakim Butar-Butar
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 5, No 2 (2022): Budapest International Research and Critics Institute May
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i2.4725

Abstract

This study discusses learning innovations in the field of electrical engineering for the study of short circuit analysis with real data using a computer program. Students work on projects from real data in the field. The proposed method is to design a short circuit analysis programming device based on Matlab GUI. The syntax and GUI media are validated by experts. So that the standard procedure is valid for students in working on projects in real cases. At the initial stage, small-scale trial data was conducted on 15 students as an experimental class with a GUI in learning. 15 students in another class as the control class. The test results show that the experimental class has better learning independence than the control class, which is indicated by the ability to solve real problems with better project report results. The results show that the role of the GUI in digitizing learning becomes a tool to help foster motivation and independence in electric power system analysis learning to support the MBKM policy of the Ministry of Education and Culture of the Republic of Indonesia in one aspect of the Main Performance Indicators that applies the case method in learning.
Analysis of the Effect Rotation Speed Control on Three Phase Induction Motor Using VFD Powtech Tri Safrizal; Adi Sastra P. Tarigan; Siti Annisah
International Journal of Economic, Technology and Social Sciences (Injects) Vol. 6 No. 1 (2025): Mei 2025
Publisher : CERED Indonesia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/injects.v6i1.1283

Abstract

Technological advances in electric motor control systems have encouraged the adoption of more efficient and adaptive control devices. One of the commonly used devices is the Variable Frequency Drive (VFD), which plays a role in regulating the speed and torque of a three-phase induction motor. This study aims to analyze the effect of a three-phase induction motor rotational speed control system using a Powtech brand VFD. The main focus of this study is to evaluate motor performance in terms of rotational speed, torque, energy efficiency, and system response to frequency variations provided by the VFD. The research method used is an experimental approach, where a three-phase induction motor is connected to a Powtech VFD and tested under various load conditions and operating speeds. The test results show that the use of a Powtech VFD is able to provide more accurate speed and torque control, and contributes to increasing the efficiency of induction motor operation. In addition, smoother and more responsive rotation control can be achieved through flexible frequency adjustment, resulting in reduced power consumption and increased overall system performance. This study contributes to the development of VFD technology in three-phase induction motor drive systems, especially in efforts to improve energy efficiency in industrial applications.
Co-Authors Abd. Hakim Butar-Butar Dicky Lesmana M. Rizki S. Rahmaniar Rahmaniar SATRIYAS ILYAS Siti Annisah Tri Safrizal