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All Journal Perfecting a Video Game with Game Metrics Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Jurnal Maritim Malahayati
Diana Alia
Politeknik Pelayaran Surabaya
Aerospace Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Transportation

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Hardware implementation of series DC arc fault protection using fast Fourier transform Dirhamsyah Dirhamsyah; Diana Alia; Dimas Okky Anggriawan
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 19, No 5: October 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v19i5.20521

Abstract

This paper proposes method of series DC arc fault protection using low cost microcontroller. Series DC arc fault occurs when gap between conductor or wire flows a current. Series DC arc fault can cause fire hazard if do not detected and protected. However, Series DC arc fault is difficult to detected using conventional protection. To detect series DC arc fault accurately using fast Fourier transform (FFT). FFT is used to transform signal in time domain to frequency domain. Series DC arc fault has different characteristic compared by normal current in frequency domain. Therefore, the proposed algorithm for protection of series DC arc fault based on magnitudes of the current in frequency domain. Hardware system is implemented by 100 V DC power supply and DC arc fault generator. Test result is conducted experimentally under varying of load current such as 2 A, 2.5 A, 3 A, 3.5 A, 4 A and 5 A. Experimental testing results show that Series DC arc fault protection has time for trip of 0.48 s, 0.26 s, 1.04 s, 0.68 s, 0.44 s and 0.48, respectively. The fastest time for trip is 0.26 s with current of 2.5 A. Therefore, the proposed algorithm for series DC arc fault protection can operate to trip accurately and have the good performance.
Perancangan dan Analisis Antena Dipole Pada Frekuensi 2,4 GHz Untuk Modul Xbee S2 Pro Menggunakan HFFS 14.0 Shinta Romadhona; Diana Alia; Maya Zulfida
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 2, No 1 (2020): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v2i1.535

Abstract

Xbee s2 pro module works at 2,4 Ghz using IEEE 802.15.4 standard and polarization are linear. There are many types of antennas that can be used, which one is the dipole antenna. The simulation model implemented in this study uses Ansoft HFSS 14.0 software. HFSS stands for high frequency structure simulator is a pioneer in the use of finite element method for electromagnetic wave simulators that implement tangential vector finite elements, adaptive meshing and Adaptive Lanczos-Pade Sweep (ALPS) technology. By using HFSS 14.0 simulation, the axial ratio value of 35.0359 dB that means linier polarization. For the value of s-parameter -21,1851 db and VSWR value approaches 1, that is 1.5195 db. The gain value obtained is 0.7469 dB, the gain value needs to be optimized by using a metamaterial to get a good gain.
DESAIN POWER MONITORING SYSTEM USING WIRELESS TECHNOLOGY Diana Alia; Henna Nurdiansari; Edi Kurniawan; Renta Novaliana Siahaan; Hilmi Wiko
Jurnal Maritim Malahayati Vol. 4 No. 2 (2023): Jurnal Maritim Malahayati
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat, Politeknik Pelayaran Malahayati

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Abstract

Energy is one of the most interesting topics from various aspects. The issue of energy saving is one of the most interesting researched topics. Energy management is one way to save energy. In energy management, it is necessary to monitor the power of electrical equipment to find out when and where electrical energy is being spent. Power monitoring system is designed to monitor electrical parameters such as power, current, and voltage of several household appliances. Electrical parameters on household appliances could be detected by using them. electrical parameters on household appliances and a Bylink application that can connect sensor data with android applications. By using aplication, user could monitor electrical parameters can make it easier for users to monitor electrical parameters. This prototype system, has been made, has tested and compared with the electrical parameters that exist in the specifications of household appliances. The error that occurs in this tool is 0.80% for the voltage parameter and 1.49% for the current parameter.
Co-Authors Dimas Okky Anggriawan Dirhamsyah Dirhamsyah Edi Kurniawan Henna Nurdiansari Hilmi Wiko Maya Zulfida Renta Novaliana Siahaan Romadhona, Shinta