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Perancangan Pembangkit Listrik Tenaga Surya Sistem On-Grid di Atap Gedung untuk Memenuhi Kebutuhan Energi Listrik Fakultas Teknik Universitas Kristen Indonesia – Jakarta Sitorus, Yofi Grecia; Widodo, Bambang; Purba, Robinson
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 5 No. 1 (2022): Jurnal Lektrokom Volume 5 No. 1, September 2022
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v5i1.5249

Abstract

This research is the design of an On-Grid Solar Power Plant (PLTS), at the Faculty of Engineering building of Universitas Kristen Indonesia (FT UKI). In analysing this design, both from the technical and economic sides and determining the Break Event Point (BEP), the HOMER application tool is used. The research method used is quantitative method, which includes collecting, analysing and presenting data in the form of numbers. After doing the HOMER simulation. PLTS consists of 407 solar panels with a total overall power capacity of 150,890 Wp (watt peak), as well as 16 units of inverters with a total overall capacity of 160,000 kW (kilowatt), and the total cost of all components is Rp. 1,245,305,649.95. In terms of economics, the cost savings from the Net Present Cost (NPC) value of this design is Rp. 830,000,000, saving the Levelised Cost of Electricity (LCOE) cost of Rp. 227.87/kWh (kilowatt hour), and saving Operation & Maintenance (O&M) costs of Rp. 142,000,000. From the results of this study, a BEP value of around 7.27 years was obtained.
ANALISA HARMONISA PEMBANGKIT LISTRIK TENAGA SURYA (PLTS) OFF - GRID 290 Wp DENGAN KOMBINASI BEBAN LINIER DAN NON LINIER DI GEDUNG FAKULTAS TEKNIK UKI - JAKARTA MENGGUNAKAN MATLAB SIMULINK Openg, Elisabeth Faustina Ene; Widodo, Bambang; Purba, Robinson
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 7 No. 1 (2024): Jurnal Lektrokom Volume 7 No. 1, Maret 2024
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v7i1.5658

Abstract

This paper presents the results of research on a 290 Wp (Watt-peak) Off-Grid Solar Power Plant (PLTS) at the Faculty of Engineering Building, Universitas Kristen Indonesia - Jakarta, aiming to investigate current harmonics on the load side and reduce the Total Harmonic Distortion (THDi) value using a single-tuned LC passive filter. Based on the measured current per order, calculations were conducted, revealing that the THDi on the load side (LED) amounted to 16,42%. The dominant harmonic currents were the 3rd order with a THDi of 5,7% and the 10th order with a THDi of 15,3%. According to the simulation results using MATLAB Simulink, the single-tuned LC passive filter was capable of reducing the THDi level on the LED from 16,42% to 1,81%.