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All Journal Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Zulhiz Tami
Universitas Malikussaleh
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Analysis of calculating the fault current on the generator In Power System Arnawan Hasibuan; Novra; Zulhiz Tami; Marya Ulfa; Alpaslan DURMUS
Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN) Vol. 2 (2024): Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Publisher : Faculty of Engineering, Malikussaleh University

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Abstract

Short circuit fault current in the electric power system is one of the problems that can threaten the reliability and safety of system operations. This disturbance, which occurs due to direct contact between phases or between phases and ground, produces significant currents and can damage network equipment if not handled with adequate protection. This study aims to analyze and calculate short circuit fault currents in the electric power system using MATLAB and Simulink software . In this study, the electric power system model is simulated with various types of disturbances, namely three- phase , two -phase , and single -phase to ground disturbances , to determine the system response and the magnitude of the current that occurs. Power system parameter data such as voltage, component impedance, and load conditions are used as input in the modeling. The “ Three-Phase” block Fault ” in Simulink is used to implement a fault at a specific point in the system. The simulation results show that the magnitude of the fault current varies depending on the type of fault and the line impedance. With this analysis, system designers can determine the appropriate protection equipment, such as circuit breakers and relays , to prevent damage and maintain the stability of system operation. This study demonstrates the effectiveness of MATLAB as a simulation tool in power system fault analysis, providing practical and accurate solutions in fault current calculations.
DEVELOPMENT OF A BLUETOOTH-BASED WIRELESS STETHOSCOPE WITH MUSIC FEATURES TO REDUCE TODDLER ANXIETY Nyak Qurratu Aini; Gianina Inaya; Rafli Hamdan Farabi; Zulhiz Tami; Rafles Nobel Pangaribuan; Kartika
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 2 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.19238367

Abstract

Auscultation examinations in toddlers are often hampered by psychological responses such as fear, anxiety, and rejection of the stethoscope, making it difficult to guide the child and resulting in a less than optimal diagnosis process. This study aims to develop a child-friendly Bluetooth-based electronic stethoscope with additional music features as audio distractions to improve comfort and reduce anxiety in toddlers during medical examinations. The research method uses a research and development approach that includes electronic system design, prototype creation, audio testing, and device performance evaluation. The prototype was designed with a microphone signal amplifier system integrated with a Bluetooth module for wireless transmission to a headset and music player module. The test results showed that the use of this stethoscope was able to create a calmer examination atmosphere, marked by reduced resistance and excessive movement in toddlers during auscultation. The music feature proved to be a positive distraction that increased the child's comfort and cooperation. In addition, physiological sounds such as heartbeat and breathing remain clearly audible through the wireless connection without latency interference. This innovation has the potential to be a child-friendly auscultation solution that improves the comfort of infant patients and the effectiveness of medical examinations
Co-Authors Alpaslan DURMUŞ Arnawan Hasibuan Gianina Inaya Kartika Kartika Marya Ulfa Novra Nyak Qurratu Aini Rafles Nobel Pangaribuan Rafli Hamdan Farabi