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All Journal INTERNATIONAL JOURNAL OF MECHANICAL COMPUTATIONAL AND MANUFACTURING RESEARCH Jurnal ekonomi Manajemen dan Bisnis (JUBIS)
Amali, Lanto
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Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Mechanical Engineering Social Sciences

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Lightning arrester aging rate due to contamination by soluble pollutants Adnan, Sri Reski; Amali, Lanto; Mohamad, Yasin
International Journal of Mechanical Computational and Manufacturing Research Vol. 12 No. 4 (2024): February : Mechanical Computational And Manufacturing Research
Publisher : Trigin Publisher

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Abstract

The leakage current in the lightning arrester can be used as an indicator to determine the aging level of the arrester. Leakage current is influenced by contaminants in the arrester insulation. This research analyzes the effect of soluble contamination on the internal and external leakage current of lightning arresters as an indicator of arrester degradation. The contaminant used is NaCl (Sodium Chloride) which is dissolved in water, and a ZnO type lighting arrester to determine the level of NaCl contamination, the ESDD (Equivalent Salt Deposit Density) method is used. Lightning arresters that have been contaminated are measured for internal and external leakage currents flowing through the arrester insulation. Based on the experiments that have been carried out, the increase in leakage current in the internal lightning arrester for light, medium and heavy levels of contamination increases by an average of 30% for all test voltages. When compared with the international standard IEC 61643-1 which is determined at 1 mA, the internal leakage current value for light, medium and heavy pollution of the ZnO type Lightning arrester still meets the standard. However, if you use the PLN testing standard, namely 150 µA, the internal leakage current value for light, medium and heavy pollution of the ZnO type Lightning arrester does not meet the standard. Meanwhile, with low and medium contamination, there is no leakage current that occurs on the external part of the Lightning arrester. significant change
KINERJA KEUANGAN TRANSPORTASI DAN LOGISTIK DITINJAU DARI IMPLEMENTASI CORPORATE SOCIAL RESPONSIBILITY Saramadi, Iramaya; Amali, Lanto; Selvi
Jurnal Ekonomi Manajemen dan Bisnis Vol. 7 No. 1 (2026): JURNAL EKONOMI MANAJEMEN DAN BISNIS
Publisher : PROGRAM PASCA SARJANA MAGISTER MANAJEMEN INSTITUT TEKNOLOGI DAN BISNIS ASIA MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/jubis.v7i1.3003

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh Corporate Social Responsibility (CSR) terhadap kinerja keuangan yang di ukur menggunakan Current Ratio (CR) dan Total Asset Turnover (TATO). Penelitian ini menggunakan pendekatan kuantitatif deskriptif dengan teknik pengumpulan data berupa data sekunder. Populasi yang digunakan dalam penelitian ini adalah seluruh perusahaan sektor transportasi dan logistik yang terdaftar di Bursa Efek Indonesia (BEI) periode 2021-2024 Teknik pengambilan sampel menggunakan purposive sampling dengan jumlah sampel sebanyak 22 perusahaan. Metode analisis data dalam penelitian ini adalah analisis regresi linier sederhana. Hasil penelitian menunjukkan bahwa secara parsial Corporate Social Responsibility berpengaruh positif dan signikan terhadap kinerja keuangan perusahaan.
Co-Authors Adnan, Sri Reski Saramadi, Iramaya Selvi Yasin Mohamad