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Journal : Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control

Studi Analisa Synchronous Rectifier Buck Converter Untuk Meningkatkan Efisiensi Daya Pada Sistem Photovoltaic Ichsan, Ari Robiul; Effendy, Machmud; Suhardi, Diding
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol 2, No 3, August-2017
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (146.85 KB) | DOI: 10.22219/kinetik.v2i3.201

Abstract

Abstrak-Sel surya atau sering disebut energi photovoltaic (PV) adalah energi yang saat ini popular karena PV yang sangat ramah terhadap lingkungan tetapi dalam pengaplikasiannya secara konvensional sistem PV juga banyak mengalami kekurangan terutama terhadap efisiensi daya keluaran yang terbilang rendah. salah satu faktor yang mempengaruhi terhadap efisiensi daya sistem PV yaitu pada bagian konverter DC-DC. Konverter DC-DC sebagai sumber daya sistem elektronika yang dapat ditingkatkan efisiensinya dengan cara mengganti dioda pada konverter DC dengan MOSFET. MOSFET dapat mengurangi rugi konduksi pada konverter DC sinkron karena rugi daya konduksi MOSFET lebih rendah dari rugi daya konduksi dioda. Pada perancangan ini sistem PV menggunakan konverter DC tipe penurun tegangan dengan menggunakan metode MOSFET sinkronisasi untuk menggantikan dioda pada rangkaian konverter DC tipe penurun tegangan atau juga disebut dengan synchronous buck converter. Kemudian akan dibandingkan efisiensi daya antara synchronous buck converter dengan non-synchronous buck converter. Pada sistem PV menggunakan synchronous buck converter efisiensi daya yang dihasilkan ialah mencapai 98.47%, sedangkan efisiensi daya yang dihasilkan pada non-synchronous buck converter disistem PV lebih rendah ialah 96.81%. Ini membuktikan bahwa rugi konduksi pada MOSFET lebih rendah dibandingkan dengan rugi konduksi pada dioda.
Optimization of Maximum Power Point Tracking (MPPT) Using P&O-Fuzzy and IC-Fuzzy Algorithms on Photovoltaic Pratama, Rido Octa; Effendy, Machmud; Zulfatman, Zulfatman
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol 3, No 2, May-2018
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.342 KB) | DOI: 10.22219/kinetik.v3i2.200

Abstract

Solar energy is energy which can be harnessed conveniently and free. However, its conversion result may not be easily obtained. Based on the previous research, solar power plant is a source of renewable energy, utilizing solar energy. Solar power plant converts solar energy into electricity using Photovoltaic (PV) or solar cells. Even though solar power plant is considered as better energy alternative, it presents problems and weaknesses. In this case, the problems are related to insufficient power generation with low power efficiency, high oscillation and very slow power tracking. Hence, in order to solve these problems, Maximum Power Point Tracking (MPPT) has been utilized. Combination method of P&O-fuzzy and IC-fuzzy is employed to its design. Moreover, combined algorithm may result better power from conventional algorithm due to appropriate performance of duty cycle according to system design, with efficiency result of 79%-85.6%, tracking in searching output power of 0,0055s - 0,008s, low oscillation and maximum power generated by combined algorithm of 1028 watt.
Cybersecurity Management Strategies for Smart Cities in Indonesia: Cultural Factors and Implementation Challenges Alam, RG Guntur; Faruq, Amrul; Effendy, Machmud
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol. 10, No. 3, August 2025
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v10i3.2226

Abstract

The implementation of smart cities in Indonesia presents significant cybersecurity challenges, particularly amid bureaucratic complexity, low digital literacy, and limited institutional capacity. This study explores cybersecurity management strategies in the context of Jakarta Smart City (JSC), emphasizing sociotechnical dynamics and embedded cultural-institutional factors. Employing a qualitative approach and the Actor-Network Theory (ANT) framework, this research examines four key moments in the stabilization of cybersecurity networks: problematization, interessement, enrollment, and mobilization. Empirical findings reveal that challenges such as fragmented governance, security awareness gaps, and limitations in technological adaptation are addressed through context-specific strategies. These include regulatory reforms, multi-stakeholder collaboration, hybrid governance models, and the localization of international standards, particularly ISO/IEC 27001. The study also incorporates Indonesia’s Personal Data Protection Law (Law No. 27/2022) as a foundational legal framework that supports the integration of regional cybersecurity policies. Rather than focusing solely on technical solutions, this research emphasizes the importance of aligning cybersecurity strategies with local norms, leadership structures, and user practices. The proposed strategic model contributes to the cybersecurity governance literature by integrating ANT perspectives with empirical insights from a developing country. It offers a locally adapted and scalable framework to guide policymakers and smart city administrators in building resilient and culturally sensitive cybersecurity systems.