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All Journal Power Plant TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Win Alfalah
STT PLN
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Power Plant

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Pemeliharaan Preventif Pompa Vakum STG PLTGU Unit 1 Tambak Lorok Semarang Win Alfalah
JURNAL POWERPLANT Vol 6 No 2 (2018): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v6i2.397

Abstract

To increase the efficiency of condensation on the PLTGU (Gas and Steam Power Plant) a low pressure in condenser is needed, so steam moves faster toward the condenser because high pressure difference. To reduce pressure in the condenser, a vacuum pump is used. Vacuum pump engine maintenance in this study is in form of preventive maintenance (repairs carried out with the schedule scheduled by the component factory and/or by user experience), etc. This is because maintenance that is considered to be affordable both in terms of cost and field implementation in our country for power plants currently is preventive maintenance. What will be discussed here is preventive maintenance at the vacuum pump unit 1 of PT Indonesia Power PLTGU Tambak Lorok, Semarang. This discussion covers details of the vacuum pump preventive maintenance of each components, causal relationship of damage to causes, detailed analysis of the damage causes to vacuum pump components, etc.
PENINGKATAN SIFAT MEKANIK MATERIAL RING PISTON NON ORIGINAL MESIN PADA MESIN DIESEL MITSUBISHI-MAN 18 V52/55A PLTD TELLO UNIT 1 Win Alfalah
JURNAL POWERPLANT Vol 6 No 2 (2018): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v6i2.399

Abstract

The purpose of this study, to determine the characteristics of piston ring material compression Tello diesel engine. Non original (NOM) diesel engine piston rings are heat treated with a holding time of 1.2 and 3 hours then hardness test, metallograhic test and chemical composition test.From the results of these test, compared with the results of the original diesel engine piston ring (OM) and piston ring (NOM) tests which were not subjected to heat treatment. The results obtained show a significant different between the OM piston ring and NOM piston ring with a hold time of 1. 2 and 3 hours especially in the hardness value. For OM and NOM piston ring elements 0f 77.5% and 89.2%, while carbon elements have the same value of >4 %. Whereas the results of microstructure testing show that the shape of graphite from several materials is different, both in form and size of graphite. For the hardness of the NOM piston ring with a hold tome of 3 hours the hardness value of 301 HV approaches the OM piston ring of 309 HV.
Co-Authors Eko Sulistyo Eri Prabowo Halim Rusjdi Sudirmanto Sudirmanto Utami Wahyuningsih