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All Journal Malikussaleh Journal of Mechanical Science Technology Journal of Renewable Energy, Electrical, and Computer Engineering
Muhammad, M
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Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Lingkungan Korosif dan Beban Mekanis Terhadap Perilaku Korosi pada Material Stainless Steel AISI-304 Islami, N; Ihsan, M; Hafli, T; Putra, R; Muhammad, M
Malikussaleh Journal of Mechanical Science Technology Vol 5, No 2 (2021): Malikussaleh Journal of Mechanical Science and Technology
Publisher : Malikussaleh University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v5i2.6025

Abstract

Kajian ini mempresentasikan hubungan antara bebanan mekanis material Stainless Steel (SS) AISI 304 dengan kelakuan polarisasi. Lingkungan air laut buatan berupa 3.5% NaCl diasumsikan sebagai lingkungan korosif. Beban mekanis yang diaplikasikan adalah tegangan elastis pada spesimen C-Ring yang telah dipersiapkan. Hubungan antara nilai tegangan yang terjadi dan perilaku polarisasi direpresentasikan dalam kurva polarisasi dan laju korosi yang terjadi pada saat pengukuran. Korosi sumuran yang terjadi akibat adanya tegangan yang diberikan terhadap spesimen turut diperhatikan. Hasil penelitian menunjukkan bahwa laju korosi dipengaruhi oleh tingkat tegangan yang diterima oleh material SS AISI-304. Semakin tinggi tegangan yang diterima, maka semakin laju polarisasi yang terjadi pada kawasan yang di ekspos. Sehingga berimpak pada tingginya jumlah korosi sumuran pada area kajian. Didapati beban mekanis memberikan pengaruh yang konsisten terhadap kemunculan korosi tegang retak (SCC) dengan nilai laju korosi maksimum 4.662 mm/yr pada beban 868.380 N dibandingkan 3.975 mm/yr ketika spesimen tidak mendapat bebanan mekanis. Namun melalui kecenderungan grafik yaitu -0.0005 mm/yrN menunjukkan beban mekanis tidak secara signifikan dalam mempengaruhi laju korosi secara mutlak.
Short Circuit Analysis on Distribution Network 20 kV Using Etap Software Arizaldi, Afif; Salahuddin, S; Muhammad, M; Jain, Vishal; Pandey, Govinda Prashad; Watane, Manoj Jagannathrao
Journal of Renewable Energy, Electrical, and Computer Engineering Vol 1, No 2 (2021): September 2021
Publisher : Institute for Research and Community Service, Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v1i2.5232

Abstract

In an electric power system, electricity is generated by the power plant and then channeled to a transmission line and then distributed to consumers, in the process of distributing electrical energy, the system does not always work in normal conditions, sometimes the system can experience disturbances such as one-phase, two-phase, and three-phase disturbances. This interference can disrupt the electrical system and can damage equipment if left unchecked, therefore it is necessary to install a protection device that can decide the interference so as not to damage other equipment when a disturbance occurs. Here the protection device used is a circuit breaker. In a fault condition, the circuit breaker must be able to separate the points of the fault so as not to damage other electrical equipment. In this case, to determine the capacity of the best protection device for the system, a short circuit fault simulation is performed. To simplify the calculation process here the author uses the help of ETAP software (Electrical Transient Analysis Program).
Co-Authors Arizaldi, Afif Hafli, T Ihsan, M Islami, N Jain, Vishal Pandey, Govinda Prashad Salahuddin, S Watane, Manoj Jagannathrao