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All Journal International Journal of Electrical and Computer Engineering Indonesian Journal of Electrical Engineering and Computer Science Journal of Nonformal Education
Hanim, Faridah
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Computer Science & IT Education Electrical & Electronics Engineering

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Improving magnetic fields in overhead transmission lines using the insulated cross-arm method Ahsan, Matiullah; Baharom, Md Nor Ramdon; Zainal, Zainab; Sahari, Norain; Hanim, Faridah; Kamarudin, Saufi; Abd Rahman, Rashisham; Mohd Yousof, Mohd Fairouz; Jamail, Nor Akmal; Othman, Nordiana Azlin
Indonesian Journal of Electrical Engineering and Computer Science Vol 36, No 1: October 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v36.i1.pp53-63

Abstract

This research study evaluates the effectiveness of the insulated cross-arm (ICA) method in reducing magnetic field (MF) levels in transmission lines. Using Ansys Maxwell finite element method (FEM) software, the study models and analyses the MF distribution in 132 kV and 275 kV overhead transmission lines (OTLs) in Malaysia. The findings reveal that implementing the ICA method can substantially reduce MF levels, improving MF performance by 36% (at 132 kV) and 48% (at 275 kV). These findings have important implications for mitigating potential health risks associated with high MF exposure near transmission lines. Furthermore, the study highlights the potential for future enhancements in ampacity and emphasizes the importance of promoting a health-conscious environment. Field studies, assessments, and investigations into economic feasibility and practical implementation are recommended for further validation and application of the ICA method. Overall, this research study contributes to the knowledge and understanding of reducing MF exposure and improving the efficiency of power transmission systems.
Transmission line sag and magnetic field analysis with sag parabolic equations and Biot-Savart law Ahsan, Matiullah; Baharom, Md Nor Ramdon; Zainal, Zainab; Hassan, Omar Abu; Hanim, Faridah; Kamarudin, Saufi; Abd Rahman, Rahisham; Yousof, Mohd Fairouz Mohd; Jamail, Nor Akmal Mohd; Othman, Nordiana Azlin
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 1: February 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i1.pp76-88

Abstract

This study presents a novel approach to enhance the precision of calculating sag and magnetic fields beneath overhead transmission lines. The Biot-Savart law is integrated with parabolic equations to assign multiple magnetic field sources to each conductor, resulting in improved prediction accuracy. Addressing oversimplifications in traditional models improves the analysis of transmission lines in real-world scenarios. An analysis was performed using MATLAB and Simulink to validate the effectiveness and broad applicability of different configurations. The results demonstrated a significant improvement in precision compared to traditional methods, indicating that this approach has the potential to establish new benchmarks in the field. This methodology makes significant contributions to electromagnetic studies, offering engineers a reliable tool for designing transmission systems that are both safer and more efficient. This advancement in electrical engineering greatly improves transmission network performance by enhancing sag and magnetic field prediction accuracy. This aids in better maintenance planning and reduces outage risks, resulting in more efficient operations and improved overall performance.
Character and Emotional Intelligence Impact on Juvenile Delinquency: The Mediating Role of Interpersonal Intelligence Supriatna, Dede Ahmad; Hufad, Achmad; Saepudin, Asep; Rosmia, Ade Romi; Hanim, Faridah
Journal of Nonformal Education Vol. 11 No. 1 (2025): Community education and lifelong education
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jone.v11i1.19379

Abstract

This study explores the role of interpersonal intelligence in mediating the influence of character strength and emotional intelligence on juvenile delinquency. Using a quantitative survey method, data were collected from 250 vocational high school students in Cianjur City through a validated questionnaire and analyzed using the SEM-PLS approach. The results showed that character strength had a negative and significant effect on juvenile delinquency, with a coefficient value of -0.321, indicating that increasing character strength can significantly reduce juvenile delinquency. In addition, emotional intelligence also showed a negative and significant effect on juvenile delinquency. This confirms that increasing emotional intelligence also contributes to reducing juvenile delinquency. Interpersonal intelligence negatively and significantly impacts juvenile delinquency, with a coefficient value of -0.161, indicating that better interpersonal skills can reduce the tendency for delinquent behavior. Furthermore, character strength and emotional intelligence were found to have a positive and significant effect on interpersonal intelligence, with coefficient values ​​of 0.370 and 0.484, respectively. Another important finding is the significant negative indirect effect of character strength and emotional intelligence on juvenile delinquency through interpersonal intelligence. This shows that increasing character strength and emotional intelligence can reduce juvenile delinquency by improving interpersonal intelligence. This study concludes that strengthening students’ character and emotional intelligence and increasing interpersonal intelligence are essential strategies for reducing juvenile delinquency
Co-Authors Abd Rahman, Rahisham Abd Rahman, Rashisham Achmad Hufad Ahsan, Matiullah Baharom, Md Nor Ramdon Hassan, Omar Abu Jamail, Nor Akmal Jamail, Nor Akmal Mohd Kamarudin, Saufi Mohd Yousof, Mohd Fairouz Norain Sahari, Norain Nordiana Azlin Othman, Nordiana Azlin Rosmia, Ade Romi Saepudin, Asep Supriatna, Dede Ahmad Yousof, Mohd Fairouz Mohd Zainal, Zainab