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All Journal Pixel : Jurnal Ilmiah Komputer Grafis Power Elektronik : Jurnal Orang Elektro
Dwiyanto -
Sekolah Tinggi Teknologi Mandala
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering

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Analisis firewall sebagai bandwidth limiter dan network security menggunakan pfsense Agung Wirjawan; Hilman Iskandar; Rahmad Hidayat; Dwiyanto Dwiyanto; Ike Yuni Wulandari; Yudi Herdiana
Pixel :Jurnal Ilmiah Komputer Grafis Vol 16 No 1 (2023): Vol 16 No 1 (2023): Jurnal Ilmiah Komputer Grafis
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/pixel.v16i1.1003

Abstract

Internet connections that are not always stable and data security is not maintained from various threats from outside attacks in the form of hackers, crackers, viruses, and so on are the main problems for every client. Using the pfSense analysis method, this study aims to address the above bandwidth management and network security issues. The pfSense analysis that the researchers carried out included an analysis of total bandwidth usage, data security, and information for each client on the P3DW Internet network (Center for Regional Revenue Management) Bandung III Soekarno-Hatta City. The results of the analysis concluded that pfSense can work as a firewall that functions as a bandwidth limiter and network security. The level of client satisfaction increases with the infrastructure designs being tested. With a web GUI that makes it easy for users to configure, the basic system used is FreeBSD which is open-source, making pfSense able to be an alternative choice for building a firewall that is reliable, flexible, and economical.
ANALISIS DAN SIMULASI KONVERTER DC-DC PENAIK TEGANGAN DENGAN CELL PENGUAT TINGGI UNTUK APLIKASI PHOTO VOLTAIC (PV) Anung -; Givy Devira Ramady; Purwadi Budi Santoso; Taufik Rachman; Yakob liklikwatil; Dwiyanto -
Power Elektronik : Jurnal Orang Elektro Vol 12, No 2 (2023): POWER ELEKTRONIK
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/polektro.v12i2.5037

Abstract

The range of DC output voltage of the photovoltaic cell is about 20 - 45 Vdc. At generally electrical load use an AC voltage is about 220 Vac for one phase load and a 380 Vac for three phase load. So that the output voltage of the photovoltaic cell has to raise up to 400 Vdc and then it voltage changed to an AC voltage with an inverter. In this paper, the voltage conversion ratio of the DC to DC voltage with high gain cell power converter will be analyzed and simulated with PSIM software. From the analysis and simulations show that the output voltage of that converter can be achieved it about 400 Vdc from around input voltage 20 Vdc, the duty cycle of the semiconductor switch is 71 %.
Co-Authors Agung Wirjawan Anung - Givy Devira Ramady Hilman Iskandar Ike Yuni Wulandari Purwadi Budi Santoso Rahmad Hidayat Taufik Rachman Yakob liklikwatil Yudi Herdiana