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All Journal Jurnal Ilmiah Universitas Batanghari Jambi Journal of Industrial Community Empowerment
Jumaddil Hair
Politeknik Industri Logam Morowali
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice

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Sistem Pendingin Wire &Tube Transformator Frekuanesi 50-60 Hz pada Prototipe Electric Arc Furnace (EAF) Angga Tegar Setiawan; Ahmadi Ahmadi; Fahrul Fahrul; Jumaddil Hair
Jurnal Ilmiah Universitas Batanghari Jambi Vol 22, No 3 (2022): Oktober
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v22i3.2416

Abstract

The Electric Arc Furnace (EAF) prototype at the Morowali Metal Industry Polytechnic has the main component in the form of a transformer that generates heat actively. The increase in temperature that occurs in the transformer is caused by continuous loading. In addition, a significant and relatively high temperature rise in the transformer, can reduce the performance of the transformer. This research will design a transformer cooling system on the EAF prototype. The temperature of the transformer will be maintained at a certain temperature until there is no longer an increase in temperature due to loading. The wire-tube cooling system in the transformer uses water and transformer oil as the cooling medium. Regulating the flow rate of the water fluid in the copper pipe is expected to be able to further optimize the cooling process in the transformer. The results show that the design of the wire-tube cooling system is able to release the temperature of the transformer oil with a heat transfer rate that varies according to the flow rate of the cooling water fluid. Experiments carried out for 30 minutes resulted in a heat transfer rate of Qu 760.5 kJ/s with a water flow rate of 2.5 liters/minute, Qu 1661.2 kJ/s with a water flow rate of 5 liters/minute, Qu 2558.5 kJ/kg with a water flow rate of 5 liters/minute. the water flow rate is 7.5 liters/minute and Qu 3213.9 kJ/kg with a water flow rate of 9.20 liters/minute, this shows that the higher the water flow rate, the higher the heat transfer.
Peningkatan Kompetensi Pengelasan Shielded Metal Arc Welding Bagi Masyarakat Desa Makarti Jaya Kabupaten Morowali Kadriadi Kadriadi; Kadex Widhy Wirakusuma; Jumaddil Hair; Muhammad Alfian; Fathurrasuli Fathurrasuli; Vincentius Sulistyo Aji Nugroho; Yusdianto Yusdianto
Journal of Industrial Community Empowerment Vol 2, No 2 (2023): Published in October 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v2i2.231

Abstract

Mekarti Jaya Village is located in the PT Industrial Area. IMIP, the need for industrial workers in the PT area IMIP continues to increase as the investment value in the area increases. To prepare the people and youth of Mekarti Jaya village to be able to take advantage of job opportunities in industries located in the PT area. IMIP needs to carry out training to increase competency, especially in the field of Shielded Metal Arc Welding (SMAW) welding position 2F. The selection of SMAW welding training materials was based on survey results, in which the need for welding specialist workers was the greatest need for industries in the PT area. IMIP. Training activities are carried out for approximately 1 month, starting with the preparation, implementation, and training results stages. The activities were carried out on February 27–29, 2022. Training activities were carried out at the Morowali Metal Industry Polytechnic Machinery Maintenance Engineering study workshop. The training was attended by ± 16 young people and residents of the village of Mekarti Jaya. The results of the training carried out were an increase in understanding and knowledge before and after the training activities were carried out; this was shown by the results of the constant shape of the ridges, welding position 2F, and the results of the post-test.
Co-Authors Ahmadi Ahmadi Angga Tegar Setiawan Fahrul Fahrul Fathurrasuli Fathurrasuli Kadex Widhy Wirakusuma Kadriadi Kadriadi Muhammad Alfian Vincentius Sulistyo Aji Nugroho Yusdianto Yusdianto