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All Journal Bulletin of Electrical Engineering and Informatics Electrician : Jurnal Rekayasa dan Teknologi Elektro Journal of Innovation Materials, Energy, and Sustainable Engineering
Pasalli, Yulianus Rombe
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Probabilistic load flow based voltage stability assessment of solar power integration into power grids Rehiara, Adelhard Beni; Bawan, Elias Kondorura; Palintin, Antonius Duma; Wihyawari, Bibiana Rosalina; Setiawan Paisey, Fourys Yudo; Pasalli, Yulianus Rombe
Bulletin of Electrical Engineering and Informatics Vol 13, No 4: August 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i4.5651

Abstract

The interconnection of renewable energies increases the complexity of modern power systems. Hence, stability assessments should be made to ensure the system’s stability after penetration. Solar power is a type of renewable energy that has become a widespread energy source among renewable energy sources. About 1 MWp of the solar power plant has been prepared to be interconnected to the IEEE 8 bus of Manokwari grid, and this paper investigates the voltage profile, power losses, and stability of the solar power plant penetration using an adaptive kernel density estimator (AKDE) and compares it to a Monte Carlo simulation (MCS)-based probabilistic load flow (PLF). About 5000 samples have been used to test the grid after the connection. Results of simulations show that the solar penetration can reduce power losses from 0.4084 MW to 0.3080 MW and 0.3045 MW by the proposed method and MCS method, respectively, and further increase the bus voltage profile. The power network has the stability to be connected to solar power, as indicated by the small stability index values of each bus. The proposed method using the AKDE method has a more accurate result in stability indices indicated by small fast voltage stability index (FVSI), line stability index (Lmn), and line stability factor (LQP) indices. 
Power factor correction for energy efficient at public hospital of Manokwari Panggei, Yahja; Pasalli, Yulianus Rombe; Paisey, Fourys Yudo Setiawan; Rehiara, Adelhard
Journal of Innovation Materials, Energy, and Sustainable Engineering Vol. 1 No. 1: (July) 2023
Publisher : Institute for Advanced Science Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/jimese.v1i1.2023.33

Abstract

The power factor grades are an indicator to determine the effectiveness of the electric power either distributed or used by consumers. A high power factor indicates that the electrical loads are using energy efficiently. Due to the increase in inductive load, there will be a decrease in the power factor, which in turn affects the distribution of electrical energy. In this research, an investigation has been carried out to observe the background that influences the low power factor at public hospital (RSUD) of Manokwari and recommend the need for a basis for improving the power factor at the hospital. Primary data on lighting and electrical equipment, along with their respective electric power capacities and power factors, are collected and measured onsite. Then the data is analysed based on the theoretical basis of power factor improvement. Based on the investigation, there are two focus points in the hospital to be observed, i.e., motor pumps and total load at the main panel. The calculation results show that pump motors 2 and 3 need to be compensated by increasing the power factor to 0.9 so that reactive power is reduced to 1.42 kVAR and 1.24 kVAR, respectively. In the same way, apparent power can also be upgraded to 0.85 kVA and 1.46 kVA by installing bank capacitors of 30.35 mF and 26.63 mF, respectively. On the other hand, the largest load connected to the main panel needs to be corrected to reduce the reactive power and apparent power to 17.86 kVAR and 9.5 kVA through the installation of a capacitor bank of 387.75 mF. This correction will increase energy efficiency while gaining economic benefits on both electricity bills and waiving penalties.
Perencanaan PLTS Off-Grid Gedung Kantor Kelurahan Amban Manokwari, Papua Barat Sijabat, Novendry Indrajaya; Pasalli, Yulianus Rombe
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 3 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n3.2899

Abstract

Listrik menjadi kebutuhan utama dalam kehidupan masyarakat modern saat ini. Sebanyak 88% sumber energi listrik berasal dari sumber energi tak terbarukan, sedangkan hanya 12% energi listrik berasal dari sumber energi baru terbarukan. Penggunaan sumber energi tak terbarukan memberikan dampak buruk yang besar terhadap lingkungan dan kesehatan. Untuk menekan dampak emisi karbon dioksida, penggunaan sumber daya tak terbarukan perlu diminimalkan, dan diganti dengan teknologi yang mampu mengubah sumber energi terbarukan menjadi energi listrik. Merujuk pada Peraturan Presiden No. 112 Tahun 2022 dan RUPTL PT.PLN (Persero) tahun 2021–2030 tentang percepatan penggunaan energi terbarukan sebagai sumber daya penghasil energi listrik, peneliti membuat penelitian ini yang bertujuan merencanakan PLTS Off-Grid bagi Kantor Kelurahan Amban, Kabupaten Manokwari, Papua Barat. Gedung tersebut membutuhkan energi harian sebesar 20.160 Wh. Setelah dilakukan perhitungan, didapatkan sistem PLTS dengan panel surya monocrystalline 300 Wp sebanyak 16 unit, inverter hybrid MPPT 48V 100A 5KW 6,25KVA sebanyak 1 buah dan baterai 48V 100Ah sebanyak 17 buah. Total biaya pembuatan PLTS Off-Grid (biaya investasi awal + biaya operasional + biaya pemeliharaan) adalah sebesar Rp. 673.000.965.
Co-Authors Adelhard Beni Rehiara, Adelhard Beni Bawan, Elias Kondorura Paisey, Fourys Yudo Setiawan Palintin, Antonius Duma Panggei, Yahja Rehiara, Adelhard Setiawan Paisey, Fourys Yudo Sijabat, Novendry Indrajaya Wihyawari, Bibiana Rosalina