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All Journal Techno.Com: Jurnal Teknologi Informasi Electron: Jurnal Ilmiah Teknik Elektro Jurnal Teknik AMATA
Fritz Immanuel S, Michael
Unknown Affiliation
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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SIMULASI DAN ANALISIS KONVERTER BUCK UNTUK PENURUNAN TEGANGAN PADA BEBAN SPESIFIK Saragi, Dian Putra; Fritz Immanuel S, Michael; Ashari, Muhammad; Annisa Binti Zulkarnain, Selly; Jonto Sinaga, Desman; Pratama, Saras
Jurnal Teknik AMATA Vol. 6 No. 1 (2025)
Publisher : Politeknik Amamapare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55334/jtam.v6i1.327

Abstract

Untuk mendapatkan desain konverter buck yang sesuai dengan kebutuhan beban tertentu, diperlukan perhitungan yang didasarkan pada teori dan parameter yang relevan. Penelitian ini bertujuan untuk menentukan nilai-nilai komponen utama yang dibutuhkan dalam merancang konverter buck yang optimal, serta untuk memvalidasi hasil perhitungan melalui simulasi menggunakan perangkat lunak PSIM. Konverter buck merupakan elemen penting dalam sistem elektronika daya karena kemampuannya dalam menurunkan tegangan secara efisien. Desain konverter dalam penelitian ini memanfaatkan data arus beban, tegangan beban, tegangan input, dan frekuensi switching sebagai dasar perhitungan nilai duty cycle, induktor, dan kapasitor. Pada studi kasus yang diangkat, tegangan input sebesar 19 V diturunkan menjadi 9 V dengan arus beban sebesar 814 mA dan frekuensi switching sebesar 100 kHz. Berdasarkan perhitungan teoritis, diperoleh nilai duty cycle sebesar 47,36%, induktor 5,862 mH, dan kapasitor 0,113 μF. Hasil simulasi menunjukkan bahwa konverter mampu mempertahankan tegangan output 9 V dan arus sebesar 814 mA secara stabil. Temuan ini menegaskan bahwa pemilihan komponen dan strategi pengendalian sangat berpengaruh terhadap performa sistem. Penelitian ini memberikan kontribusi penting bagi pengembangan desain konverter buck yang efisien untuk berbagai aplikasi dalam sistem elektronika modern.
Analisis Rekonfigurasi Jaringan Menggunakan Particle Swarm Optimization untuk Meningkatkan Voltage Stability Index Simamora, Yoakim; Astrid, Erita; Immanuel, Michael Fritz; Waluyo, Bakti Dwi; Sembiring, Muhammad Aulia Rahman; Dewy, Mega Silfia; Silitonga, Agnes Irene; Ginting, Lisa Melvi
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 6 No 1: Jurnal Electron, Mei 2025
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v6i1.330

Abstract

The distribution system is a part of the power system that distributes electrical energy from the transmission network to medium and low voltage consumers, such as households, industrial consumers, and other facilities. Network reconfiguration is the process of restructuring and configuring the network by opening and closing switches to obtain the most optimal network configuration. In this study, the determination of switch opening and closing uses the binary particle swarm optimization (BPSO) algorithm, whose basic principle in finding optimal values is based on the social behavior of birds flocking or fish swimming together.. To measure voltage stability, this research presents the Voltage Stability Index (VSI), improving voltage stability using network reconfiguration with the BPSO algorithm. In this study, the VSI value will be compared with other algorithms, including the PSO algorithm from previous research, the Cuckoo Search Algorithm (CSA), the Harmony Search Algorithm (HSA), and the Modified Whale Optimization Algorithm (MWOA). The simulation results show that the BPSO algorithm can reduce power loss from an initial value of 202.7 kW to 139.3 kW, a decrease of 31.28%. Compared to other algorithms, BPSO has the best percentage reduction in power loss. The simulation results also show that the VSI value improved from an initial value of 0.2112 to 0.1520, an increase of 28%. In improving the VSI value in the IEEE 33 bus distribution system, the BPSO algorithm became the best algorithm for enhancing the VSI value.
A Novel Simulink-Based Implementation of Cosine Comparator Logic for Gate Control in Three-Phase Controlled Rectifiers Annisa, Selly; Immanuel, Michael Fritz; Pratama, Saras; Ashari, Muhammad; Saragi, Dian Putra
Techno.Com Vol. 24 No. 3 (2025): Agustus 2025
Publisher : LPPM Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62411/tc.v24i3.13369

Abstract

This paper proposes a cosine comparator-based firing angle control strategy for three-phase full-wave thyristor rectifiers. Gate pulses are generated by comparing phase-synchronized cosine reference signals with a tunable threshold voltage, allowing precise control over conduction intervals. The method’s effectiveness is evaluated across firing angles ranging from 30° to 120° under RLC load conditions. Quantitative results demonstrate accurate gate synchronization and substantial reduction in Total Harmonic Distortion (THD)—by over 50% relative to conventional ramp-based techniques. The findings confirm the proposed control scheme's potential for high-performance, low-distortion AC-DC conversion, making it suitable for industrial and educational power electronics applications.   Keywords - Three-phase controlled rectifier, cosine comparator, firing angle, Simulink modeling, thyristor gate control, FFT analysis.
Co-Authors Agnes Irene Silitonga Annisa, Selly Bakti Dwi Waluyo Erita Astrid Lisa Melvi Ginting Mega Silfia Dewy, Mega Silfia Muhammad Ashari Pratama, Saras Saragi, Dian Putra Sembiring, Muhammad Aulia Rahman SINAGA, DESMAN JONTO Yoakim Simamora