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All Journal Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Indonesian Journal of Electrical Engineering and Computer Science Sewagati Jurnal FORTECH
Candra Riawan, Dedet
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Arts Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Implementasi dan Sosialisasi Mini Laboratorium Sistem Pembangkit Tenaga Surya di SMK Muhammadiyah 7 Gondanglegi Robandi, Imam; Candra Riawan, Dedet; Wirjodirdjo, Budisantoso; Guntur, Harus Laksana; Putri, Vita Lystianingrum Budiharto; Djalal, Muhammad Ruswandi; Prakasa, Mohamad Almas; Ghazi, Argon Luthfan; Irsad, Muh. Afif Al; Hidayat, Muh. Taufik Imam; Saputra, Reki Aji; Kumala, Arimbi; Satria, Moch. Adri; Himawari, Waseda
Sewagati Vol 8 No 1 (2024)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v8i1.793

Abstract

Indonesia memiliki potensi energi baru terbarukan (EBT) yang sangat besar, namun belum diikuti dengan pemanfaatan yang optimal. Sistem Listrik Tenaga Surya (PLTS) berbasis fotovoltaik menjadi teknologi yang paling mudah diimplementasikan oleh semua kalangan dan di berbagai sektor. Di sektor Pendidikan, Sekolah Menengah Kejuruan (SMK) memiliki visi membentuk sumber daya manusia yang memiliki kompetensi keahlian di bidang tertentu, salah satunya teknik instalasi tenaga listrik. Meski begitu, belum banyak SMK yang sudah mulai memperkenalkan pentingnya pemanfaatan EBT pada siswanya. Pada kegiatan Pengabdian Kepada Masyarakat (Abmas) ini diusulkan Implementasi dan Sosialisasi Mini Laboratorium Sistem Pembangkit Tenaga Surya sebagai Media Pembelajaran di SMK Muhammadiyah 7 Gondanglegi, Malang. Mini Laboratorium ini terdiri dari Trainer PLTS yang merupakan mereplika sistem PLTS stand-alone dalam skala laboratorium yang cukup untuk proses pembelajaran. Trainer PLTS ini terdiri dari sistem fotovoltaik, beserta komponen pendukung berupa Solar Charger Controller (SCC), baterai, dan inverter. Metode pelaksanaan kegiatan meliputi implementasi dan sosialisasi mini laboratorium. Dari hasil pelaksanaan abmas diperoleh peningkatkan pemahaman dan keterampilan para siswa dan guru terkait pemanfaatan teknologi EBT dalam bentuk trainer PLTS.
Designing a Smart Inverter for Voltage Sag Compensation Due to Motor Start-up Budi Hermawan, Indra; Mochamad, Ashari; Candra Riawan, Dedet
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol. 8, No. 3, August 2023
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v8i3.1744

Abstract

Starting a large induction motor will always follow up with an inrush current as the nature of an induction motor. On a less stiff power system, that inrush current will be causing a Voltage Sag (VS). A big VS can lead to significant disruptions in power quality and reliability. To address this, a Smart Inverter with an Artificial Intelligence (AI) -driven controller installed in a Photovoltaic (PV) farm is proposed for voltage sag recovery. During normal conditions, the PV farm acts as a power source supporting the main grid, but when large induction motors are started, the smart inverter connected to the PV is responsible for power conversion to recover sags caused by the Induction motor inrush current. The controller inside the Inverter ensures optimal operation. The use of AI also compares the effectiveness of using the Fuzzy Logic Controller (FLC) with the Proportional Integral (PI) Controller to assess their performance in reducing current spikes. Based on simulations, the FLC outperformed PI Controller in mitigating the voltage sag and avoiding the Low Voltage Ride-Through (LVRT). Simulation results show that voltage sag can be recovered for up to 97% of the nominal voltage, a significant improvement over the 80% sag recovery without the smart Inverter. At a nominal grid voltage of 6,600 volts, the VS Magnitude was successfully increased from 5,210 volts to 6,368 volts and the VS Duration also decreased from 6.96 s to 4.97 s. The results achieved validate the effectiveness of the approach in improving the power quality.
Design of starting a three phase induction motor using direct on-line, variable frequency drive, soft starting, and auto transformer methods Siregar, Yulianta; Rotua Oktaviana Siahaan, Yosephine; Nabila Binti Mohamed, Nur; Candra Riawan, Dedet; Yuhendri, Muldi
Indonesian Journal of Electrical Engineering and Computer Science Vol 37, No 2: February 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v37.i2.pp700-714

Abstract

The problem with 3-phase induction motors is that when starting the motor, the motor starting current can reach five to seven times the nominal current. This research compares slip, starting current, bus voltage, acceleration torque, motor torque, energy savings, and kVAR from the direct on-line (DOL), variable frequency drive (VFD), soft starting, and autotransformer starting methods in the electrical transient analyzer program (ETAP) software. This research result shows that the fastest VFD slip reaches a steady state, namely at 11+ seconds. The lowest starting/starting current is owned by the VFD method, namely <20% full load amps (FLA) in the first 2 seconds. The lowest decrease in bus voltage at steady state was experienced by the VFD method, namely 0.8152%. The quickest acceleration torque reaches a steady state in the VFD method, namely in 11+ seconds. The soft starting method owns the lowest starting torque, namely 20.75%. The soft starting method has the largest energy savings, namely 148.02 kW. Of the several variables observed, the best starting method is the VFD method.
Studi Kelayakan Water Pumped Energy Storage Sebagai Penyimpanan Energi PLTS Mandiri Pada Daerah Terisolir Priyohutomo, Arif; Candra Riawan, Dedet; Soedibyo, Soedibyo
Jurnal FORTECH Vol. 2 No. 1 (2021): Jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/fortech.v2i1.234

Abstract

Research and development on the implementation of renewable energy is growing rapidly, especially about photovoltaic (PV) and energy storage. Water pumped energy storage (WPES) is an alternative storage media in a standalone solar power system because of its longer technical life than chemical storage types, such as batteries. To assess the feasibility of WPES implementation as an energy storage in the standalone solar power plant system, the process of sizing the system components needs to be carried out by considering technical and economic aspects. This research will discuss the sizing process of standalone solar power system using WPES with closed loop reservoir systems and its economic analysis. The sizing process is carried out by the method of power balance, energy balance, and volume balance while economic viability is seen from the capital cost, O&M cost, and revenue from electrical energy absorbed by the load. In this study, the daily load profile with energy demand of 79 kWh and peak load of 4.36 kW. The analysis shows the need of 56 kWp PV system, 3800 m³reservoir capacity with 20m head. The calculation shows the technical efficiency of the system is 28.2%. From the economic analysis, the sistem’s payback period is 24 years, assuming the reservoir technical age is 50 years with net present value of Rp 2,072,823,731.86 and return of investment 105%.
Co-Authors Budi Hermawan, Indra Budisantoso Wirjodirdjo Ghazi, Argon Luthfan Harus Laksana Guntur Hidayat, Muh. Taufik Imam Himawari, Waseda Imam Robandi Irsad, Muh. Afif Al Kumala, Arimbi Mochamad, Ashari Muhammad Ruswandi Djalal Muldi Yuhendri Nabila Binti Mohamed, Nur Prakasa, Mohamad Almas Priyohutomo, Arif Rotua Oktaviana Siahaan, Yosephine Saputra, Reki Aji Satria, Moch. Adri Soedibyo Soedibyo Vita Lystianingrum Yulianta Siregar