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Action Research Literate (ARL)
Published by Ridwan Institute
ISSN : 26139898     EISSN : 28086988     DOI : https://doi.org/10.46799
Core Subject : Education, Social,
Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences
Action Research Literate is a scientific journal in the form of research and can be accessed openly. This journal is published biannual by Syntax Corporation Indonesia. Development of the company make the this Journal is transferred management to the Ridwan Institute which became the part of of Syntax Corporation Indonesia. Action Research Literate provides a means for ongoing discussion of relevant issues that fall within the focus and scope of the journal that can be empirically examined. This journal publishes research articles covering multidisciplinary sciences, which includes: Humanities and social sciences, contemporary political science, Educational sciences, religious sciences and philosophy, economics, Engineering sciences, Health sciences, medical sciences, design arts sciences and media.
Arjuna Subject : Ilmu Sosial - Ilmu Sosial (Lain-Lain)
Articles 674 Documents
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Analisis Risiko Kecelakaan Kerja Pada Proyek Jembatan Dengan Menggunakan Metode Failure Mode And Effect Analysis Mahu, Indriani; Taihuttu, Felix; Oppier , Imran
Action Research Literate Vol. 9 No. 9 (2025): Action Research Literate
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/arl.v9i9.3031

Abstract

Analysis of the Effect of Increasing Load on Voltage Profile in Electric Power Distribution System Anggara, Doni; Danial, Danial; Abidin, Zainal
Action Research Literate Vol. 9 No. 9 (2025): Action Research Literate
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/arl.v9i9.3033

Abstract

Power distribution systems are critical in delivering electricity reliably, but they are highly susceptible to voltage quality degradation due to uneven load growth. The research problem addressed in this study is how increasing loads affect the voltage profile and power losses in a distribution system, particularly in scenarios of rapid demand growth. The objective of this study is to analyze the impact of load increases on voltage levels and system efficiency in the IEEE 33-bus distribution network. The study employs a quantitative simulation method using the Newton-Raphson power flow technique in PSAT, integrated with MATLAB. Load scenarios were simulated at 25%, 50%, 75%, 100%, 125%, and 150% of the base load. Results indicate that as load increases, voltage levels at several buses, especially those farthest from the source, decrease significantly. The minimum system voltage drops from 11.55 kV under initial conditions to 9.39 kV at a 150% load increase, resulting in a voltage drop of up to 25.8%. Furthermore, both active and reactive power losses increase with higher load levels, indicating reduced system efficiency. The study implies that distribution networks like the IEEE 33-bus system require mitigation strategies, such as voltage regulation and loss reduction measures, to maintain voltage quality and energy efficiency under high load conditions.
Analisis Perbedaan Abnormal Return Dan Trading Volume Activity Sebelum Dan Sesudah Stock Split Pada Perusahaan Yang Melakukan Stock Split Yang Terdaftar Di Bursa Efek Indonesia Periode 2015-2017 Nahdiyyah, Iim Rohimatun; Fujianti , Lisna Wulan
Action Research Literate Vol. 9 No. 9 (2025): Action Research Literate
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/arl.v9i9.3034

Abstract

Stock split is one of the corporate activities used to increase stock liquidity. The main purpose of this study is to find out the difference between Abnormal Return and Trading Volume Activity before and after the announcement of the stock split. This study took a sample of 43 companies that conducted stock splits and were listed on the Indonesia Stock Exchange in the period 2015-2017. The sampling method used is purposive sampling. The research method has been carried out with a quantitative method, where the results can be obtained by calculating secondary data related to the research. The analysis method used in this study is the Wilcoxon Signed Rank Test with an observation window of t-5 (five days before the stock split) and t+5 (five days after the stock split). The results of the study show that the results of the Wilcoxon Signed Rank Test on the first hypothesis show that there is a difference in abnormal returns before and after the stock split, while the second hypothesis shows no difference in trading volume activity before and after the stock split.
Sistem Monitoring Hidroponik Pada Tanaman Pakcoy Dengan Metode Nutrient Film Technique (Nft) Berbasis Internet Of Things Huda, Zikril; Marindani, Elang Derdian; Bomo Wibowo Sanjaya
Action Research Literate Vol. 9 No. 10 (2025): Action Research Literate
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/arl.v9i10.3035

Abstract

This research develops and implements an Internet of Things (IoT)-based hydroponic system designed to automatically monitor and control nutrient quality to ensure optimal plant growth. The system is capable of monitoring crucial parameters such as pH, Total Dissolved Solids (TDS), water temperature, ambient temperature, and ambient humidity, and possesses the capability to control pH and TDS levels in the nutrient solution. The implementation was conducted on pakcoy cultivation using the Nutrient Film Technique (NFT) hydroponic method, chosen for its suitability with IoT integration. The platform utilized is a website connected to a Firebase Database, where sensor data is processed by a microcontroller and transmitted to the database for real-time display. Testing results indicate sensor error percentages of 1.53% for water temperature, 6.31% for pH, 9.17% for TDS, 2.17% for ambient temperature, and 1.25% for ambient humidity. Overall, the sensor readings used in this system demonstrate satisfactory performance in measuring water quality and environmental parameters, thereby effectively supporting plant quality maintenance.

Page 68 of 68 | Total Record : 674

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