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All Journal MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Mekanik Terapan
Yuliana, Arifia Eka
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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An Investigation into the Impact of Elbow Angle, Flow Rate, and Flywheel Diameter on the Performance of a Micro Hydroelectric Power Plant (PLTMH) Prototype Widiawaty, Candra Damis; Saputra, Yuli Mafendro Dedet Eka; Santoso, Budi; Gunadi, Gun Gun Ramdlan; Sumadipraja, Berlian Firdaus; Yuliana, Arifia Eka; Can, Ahlul Haq; Handaru, Fathir Zuhayr; Khairunisa, Nabila Lufky
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 6 No 3 (2024): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v6i3.383

Abstract

The Micro Hydroelectric Power Plant Simulator (MHP) serves as a teaching tool to understand the principles and factors influencing electrical power output. While previous studies have examined the impact of turbine types, elbow angles, and flow rates, limited research has focused on the effect of flywheel diameter. The flywheel diameter influences the torque generated for generator rotation. This study, conducted on the MHP simulator at the Energy Laboratory of Jakarta State Polytechnic, explores the effects of variations in elbow angle, flow rate, and flywheel diameter on electrical power output. Experimental results reveal that these parameters significantly impact power generation. Notably, in case 1, with a 45° elbow angle, a flow rate of 7 L/s, and a 30 cm flywheel diameter, the system produces the highest output of 63 W. These findings underscore the importance of flywheel diameter in optimizing micro-hydropower system efficiency, offering insights for future plant design, especially in water-scarce regions. Simulator Pembangkit Listrik Tenaga Mikro Hidro (PLTMH) digunakan sebagai alat pembelajaran untuk memahami prinsip dan faktor yang mempengaruhi keluaran daya listrik. Meskipun penelitian sebelumnya telah mengkaji pengaruh jenis turbin, sudut siku-siku, dan debit aliran, penelitian tentang pengaruh diameter flywheel masih terbatas. Diameter flywheel mempengaruhi torsi yang dihasilkan untuk memutar generator. Penelitian ini dilakukan pada simulator PLTMH di Laboratorium Energi Politeknik Negeri Jakarta untuk menguji pengaruh variasi sudut siku-siku, debit aliran, dan diameter flywheel terhadap keluaran daya listrik. Hasil eksperimen menunjukkan bahwa ketiga parameter tersebut mempengaruhi secara signifikan pembangkit daya listrik. Pada kasus 1, dengan sudut siku-siku 45°, debit aliran 7 L/s, dan diameter flywheel 30 cm, dihasilkan daya tertinggi sebesar 63 W. Temuan ini menekankan pentingnya diameter flywheel dalam mengoptimalkan efisiensi sistem mikro-hidro, yang dapat menjadi acuan perancangan pembangkit mikro-hidro di daerah dengan sumber daya air terbatas.
Simulasi Software PVSyst 7.3 pada Rancangan Sistem PLTS On-Grid 48,4 kWp di Gedung Perpustakaan PNJ Serta Analisa Aspek Tekno-Ekonomi dan Carbon Saving Sitorus, Andre halomoan; Hidayati, Noor; Nufus, Tatun Hayatun; Yuliana, Arifia Eka
Jurnal Mekanik Terapan Vol 4 No 3 (2023): Desember 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i3.5996

Abstract

As a public facility, the Jakarta State Polytechnic Library Building has a significant electricity demand for its operations. This electricity demand is currently fulfilled through the supply from the PLN electricity grid. The implementation of a Solar Photovoltaic System (SPV) in the Jakarta State Polytechnic Library Building can have positive impact in the long run as it does not require fuel and requires minimal maintenance. Therefore, this research conducts a simulation using PVSyst 7.3 software to design an on-grid SPV system with a capacity of 48.4 kWp for the Jakarta State Polytechnic Library Building. It also performs techno-economic analysis to assess the investment impact of its implementation and analyzes carbon saving to understand the environmental impact of the SPV system. The simulation results of the PVSyst 7.3 on-grid SPV system with a capacity of 48.4 kWp show an energy output of 68.55 MWh per year, a specific production of 1416 kWh/kWp per year, and a system efficiency of 80.36%. The techno-economic calculations of the SPV system reveal a Net Present Value of Rp. 951,624,881, an Internal Rate of Return of 9.76%, a Return of Investment of 145.54%, a Levelized Cost of Energy of Rp. 781/kWh, and a Payback Period of 9 years and 4 months. Furthermore, the carbon saving achieved from the implementation of the SPV system is equivalent to 1379 tons of CO2
Co-Authors Can, Ahlul Haq Candra Damis Widiawaty, Candra Damis Dwi Budi Santoso Gunadi, Gun Gun Ramdlan Handaru, Fathir Zuhayr Khairunisa, Nabila Lufky Noor Hidayati Sitorus, Andre Halomoan Sumadipraja, Berlian Firdaus Tatun Hayatun Nufus Yuli Mafendro Dedet Eka Saputra