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JREC (Journal of Electrical and Electronics)
Published by Universitas Islam 45 Bekasi
ISSN : 23025883     EISSN : 25500899     DOI : -
Core Subject : Engineering,
Electrical & Electronics Engineering
Arjuna Subject : -
Articles 182 Documents
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Pengaruh Perancangan Gate Driver SiC Mosfet Terhadap Keandalan Sistem Pradipta, Doni
JREC (Journal of Electrical and Electronics) Vol. 11 No. 2 (2023): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jrec.v11i2.7938

Abstract

Pengendalian komponen elektronika daya diperlukannya driver pada gate sehingga diperlukannya perancangan gate driver bertujuan untuk memperkuat sinyal transmisi yang berasal dari control stage untuk memastikan switching yang sesuai dari power device, dalam perancangan harus memperhatikan rugi-rugi switching yang terjadi pada kondisi rise dan fall pada proses switching SiC Mosfet karena jika tidak dilakukan pemasangan gate resistance pada SiC Mosfet pada saat menjelang kondisi steady state terdapat lonjakan tegangan serta ripple yang cukup tinggi sehingga rugi-rugi daya semakin tinggi, oleh karena itu dilakukanny perlunya dilakukan penyesuaian terhadap nilai resistor yang dipasang pada gate SiC Mosfet baik dalam sisi on maupun off karena semakin kecil rugi-rugi switching maka perancangan gate driver semakin baik. Dalam penelitian ini digunakan model perancangan gate driver menggunakan analisis beban resistif dan beban induktif dengan rangkaian simulasi pabrik ROHM yang tertera dalam datasheet SiC MOSFET tipe sct2160ke yang disimulasikan menggunakan software TINA-TI. Dalam paper ini akan ditampilan hasil simulasi dan akan dilakukan analisis pengaruh gate resistance terhadap delay time on, delay time off, disipasi daya, dan switching energy measurement.
Evaluasi Penggunaan Website Kampus Menggunakan Metode Usability Testing dan System Usability Scale Ekawati, Inna; Sumadyo, Malikus; Whidhiasih, Retno Nugroho
JREC (Journal of Electrical and Electronics) Vol. 11 No. 2 (2023): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/jrec.v11i2.7957

Abstract

The campus website is the face of an institution that can be accessed online by everyone because the website is a central information service. When individuals such as potential students, the wider public, and those within the institution itself require information about the campus, they will primarily turn to the website as their main source. However, not all campus websites have a perfect role as information and service centers. The quality of a campus website can be seen from the perception and feedback of its users. Therefore, an assessment of online media usage, especially websites, is essential at all times to understand user perceptions of the ongoing website development. This research is intended to evaluate the usability of the website of Islamic University 45 Bekasi to obtain the best recommendations for improvement. In addition to the evaluation, this research also compares two methods of website usability evaluation. The methods to be used are usability testing and the System Usability Scale. Both methods are conducted simultaneously to obtain qualitative and quantitative data. This research yields recommendations for areas that need improvement or enhancement and also provides a comparison of the two methods used as references for usability evaluation. The research results reveal that with the first method, there is a significantly higher number of positive perceptions than negative ones, although there are many suggestions for improvement. On the other hand, when using the second method, the campus website exhibits the second least favorable usability score among a total of eleven levels.

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