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All Journal JISTECH: Journal of Information Science and Technology Electrices : Jurnal Otomasi Kelistrikan dan Energi Terbarukan Journal of Innovation Materials, Energy, and Sustainable Engineering Social, Ecology, Economy for Sustainable development goals Journal
Rumengan, Yanty
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Social Sciences

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Design a prototype of a marine wave power plant (PLTGL) using a recoil starter Lesnussa, Henny; Farhan, Fauzi; Patiran, Abdul Z.; Rehiara, Adelhard Beni; Sarungallo, Pandung; Rumengan, Yanty
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.v1i1.2023.37

Abstract

As the needs of human life increase, the need for electrical energy will also increase. Currently, fossil energy, which is widely used as fuel for the provision of electrical energy, is running low. In Indonesia, renewable energy sources have not been utilized properly, such as wave energy. This study discussed how to design a prototype of a sea wave power plant. The problem is, how to be able to utilize the energy of sea waves to the maximum. The purpose of this research is to find solutions and designs to utilize recoil starter as a prototype of ocean wave power plants. The methodology used in this study is an experiment in which the prototype made is given a certain treatment and then measurements are made. His data analysis technique is descriptive analysis. Based on the results of measurements and observations, the performance of the tool is not only influenced by the height of the wave, but also the period of arrival of the sea wave and the ballast load of the tool. After measurements were made on the first day of Maruni beach, the prototype could produce an average power of 4.21 watts for an average wave height of 0.35 cm and Maruni beach on the second day could produce an average power of 5.68 watts for an average wave height of 0.4 m. While on the first day Amban beach obtained an average power of 3.29 watts for an average wave height of 0.37 cm and Amban beach on the second day could produce an average power of 14.26 watts for an average wave height of 0.5 m.
Techno-economic assessment of rooftop solar photovoltaic integration for institutional energy efficiency and sustainability enhancement Iriyanto, Sofyan Dwi; Rehiara, Adelhard; Rumengan, Yanty
Social, Ecology, Economy for Sustainable Development Goals Journal Vol. 3 No. 1: July (2025)
Publisher : Institute for Advanced Science Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/seesdgj.v3i1.2025.1967

Abstract

Background : This study investigates the technical and economic feasibility of an on-grid rooftop solar photovoltaic (PV) system for the Postgraduate Building of the University of Papua, West Papua, Indonesia. Amid rising energy demands and limited renewable energy utilization in the region, this research addresses the need for sustainable electricity solutions. Methods: The system was designed using Helioscope software, considering solar radiation, shading, and local climate data. The proposed configuration consists of 14 polycrystalline solar modules (320 Wp each) and one SMA Sunny Tripower 5.0 kW inverter. Results: Simulation results indicate that the system can produce approximately 5,660 kWh annually, covering 19% of the building’s electricity consumption. The estimated initial investment of Rp 137,200,000 yields annual savings of Rp 9,617,740, resulting in a payback period of 14 years and 2 months. Conclusion: The findings demonstrate the viability of rooftop solar power systems for reducing energy costs and enhancing sustainability in remote areas. The project serves as a replicable model for academic institutions seeking to adopt renewable energy technologies. Novelty: This study provides a localized case of solar PV deployment in West Papua, contributing empirical insights to regions with limited renewable energy integration and offering a practical approach to energy transition in underserved areas.
Perencanaan PLTS Off-Grid di Balai Kampung Wamfoura, Distrik Wasirawi, Kabupaten Manokwari Sijabat, Novendry Indrajaya; Patiran, Abdul Zaid; Rumengan, Yanty
Electrices Vol 6 No 1 (2024): Volume 6 Nomor 1 Tahun 2024
Publisher : Jurusan Teknik Elektro, Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/ees.v6i1.6650

Abstract

Kebutuhan akan listrik telah menjadi salah satu hal penting bagi masyarakat saat ini. Lebih dari 88% dari sumber energi listrik berasal dari bahan bakar fosil. Pemanfaatan sumber energi yang tidak dapat diperbarui menyebabkan konsekuensi buruk bagi lingkungan. Untuk menanggulangi masalah tersebut serta mengurangi beban listrik PLN yang meningkat, penting untuk mengembangkan teknologi energi terbarukan yang bersifat ramah lingkungan. Memanfaatkan energi matahari melalui pembangunan pembangkit listrik tenaga surya (PLTS) adalah langkah yang sesuai untuk memenuhi kebutuhan pokok akan listrik. Balai Kampung Wamfoura memiliki luas atap yang cukup besar dan memiliki potensi iradiasi/intensitas sinar matahari sebesar 4,648 kWh/m2/day menurut data Global Solar Atlas. Kampung Wamfoura memiliki masalah yaitu hanya teraliri listrik PLN dari pukul 6 sore hingga pukul 6 pagi. Untuk mengatasi masalah tersebut dilakukan penelitian ini untuk merencanakan PLTS off-grid pada Gedung Balai Kampung Wamfoura. Untuk memenuhi konsumsi listrik harian Balai Kampung Wamfoura yaitu sebesar 9,952 kWh/hari dibutuhkan 14 panel surya dengan kapasitas 380 Wp, 24 buah baterai dengan kapasitas 296 Ah, dan 2 inverter dengan kapasitas 4000 W. Simulasi PVSyst menghasilkan 3632.5 kWh per tahun dengan performance ratio 35%. Dengan hasil produksi energi listrik tersebut maka dapat memenuhi konsumsi listrik harian Balai Kampung Wamfoura.
Penyemprot Disinfektan Otomatis Berbasis Arduino Untuk Ruang Kelas Era New Normal: Arduino Based Automatic Disinfectant Sprayer For New Normal Classroom Rumengan, Yanty; Patiran, Abdul Zaid; Bevin, Ernes
JISTECH: Journal of Information Science and Technology Vol 11 No 2 (2022): Oktober 2022
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jistech.v11i2.106

Abstract

Covid-19 is an infectious disease that attacks the respiratory system caused by the corona virus found in 2019. It spread all over the world and declare as a pandemic by the WHO. Thus, also affect Indonesia. One way to prevent the spread of Covid-19, especially in the closed public area, is by spraying disinfectant. This study aims to design an automatic sprayer that could prevent Covid-19 spread in the classroom and used automatically. The system using an Arduino UNO microcontroller. The disinfectant sprayer design to work automatic that will reduce the need for an operator. The tool works well as the system can automatically spray disinfectant to the classroom. Moreover, the automatic sprayer arranges according to the class timetable. However, the system cannot work outside the class timetable, such as additional classes needed.
Analisis Kehandalan Sistem Tenaga Listrik di PT. PLN (Persero) Rayon Fakfak dengan Metode Loss of Load Probability: Analysis of Electrical Power System Reliability at PT. PLN (Persero) Rayon Fakfak Using the Loss of Load Probability Method Bungin, Zulfikar; Rehiara, Adelhard Beni; Rumengan, Yanty
JISTECH: Journal of Information Science and Technology Vol 11 No 2 (2022): Oktober 2022
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jistech.v11i2.116

Abstract

The level of reliability determines the continuity of electricity distribution in the power system, the availability of insufficient power will affect the level of reliability of the system. The Loss of Load Probability (LOLP) method is a popular method to calculate the reliability of an electric power system. A high level of reliability is obtained with a small level of risk. The value of the disturbance in the generating units, or the forced outage rate (FOR), is calculated using the installed power data and the disturbance data of each unit. The probability of each generating unit, the probability when another generating unit is added, and the cumulative probability can be calculated based on the FOR value. From the intersection point of the interval of the load curve in one year, the intersection is reached on the 346th day with 720 kW, which is the force outage limit. The results of the LOLP calculations show that the electric power system at PT. PLN Rayon (Persero) Fakfak has experienced a forced outage for about 90.5828 days per year.
PERANCANGAN SIMULASI DALAM PELAYANAN KESEHATAN: SIMULATION DESIGN IN HEALTHCARE Rumengan, Yanty
JISTECH: Journal of Information Science and Technology Vol 6 No 2 (2014): Vol. 6, No. 2, Agustus 2014
Publisher : Universitas Papua

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Abstract

Increased pressure to control costs and increased competition has prompted health care managers to look for tools to more effectively operate their institution. Managers are increasingly using simulation modeling to understand and to run their own process. A simulation model has been complemented with a series of decision making routines. These routines use a hierarchical approach to organize the various scenarios under which the model may run. This concept will present a simulation model of general in patients flow in a hospital. Simulation was used to analyze the inpatient flow. The main objective of this study was to determine the best way to optimize patient arrival at the hospital in order to reduce the queue of patients.
AN INTRODUCTION TO MPEG-4: PENGANTAR MPEG-4 Rumengan, Yanty
JISTECH: Journal of Information Science and Technology Vol 6 No 1 (2014): Februari 2014
Publisher : Universitas Papua

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Abstract

In 2005 MPEG-4 is the latest generation in multimedia codec. MPEG-4 was initially discovered in the year 1998 to overcome the obstacles of MPEG-1 and MPEG-2. However MPEG-4 was not officially recognized until the year 2002. The MPEG-4 standard can be applied to many applications because it contains the ability of scene-based presentation, natural and synthetic object coding, power script, java-language support and network transparent integration [1]. MPEG-4 is the extended version from the final one MPEG-1 and MPEG-2 which means also part of the working group of ISO/IEC developed by Motion Picture Experts Group in charge of the development of international standards for compression, decompression, processing and coded representation of moving picture, audio and both of the combination.
Co-Authors Adelhard Beni Rehiara, Adelhard Beni Bevin, Ernes Bungin, Zulfikar Farhan, Fauzi Iriyanto, Sofyan Dwi Lesnussa, Henny Patiran, Abdul Z. Patiran, Abdul Zaid Rehiara, Adelhard Sarungallo, Pandung Sijabat, Novendry Indrajaya