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Qomariyatus Sholehah
Universitas Brawijaya
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS BEBAN GENERATOR TERHADAP NILAI HEAT RATE DAN EFISIENSI PLTU (STUDI OBSERVASIONAL DI PT. INDOCEMENT TUNGGAL PRAKARSA, Tbk P-12 TARJUN – KALIMANTAN SELATAN) Muhammad Miftah Noor Rizca; Qomariyatus Sholehah; Sigit Siswanto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 2 (2018): SJME Kinematika Desember 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (404.109 KB) | DOI: 10.20527/sjmekinematika.v3i2.13

Abstract

Heat rate is a measure of the reliability of a generating unit and as the amount of fuel energy required to produce 1 kWh of electrical energy. This study aimed to generator load analysis on the value of heat rate, specific coal consumption and the efficiency of the plant. Heat rate, specific coal consumption and power plant efficiency can be determined by knowing the proximate coal analysis, parameter data from the control room, determine the heat value of coal, power and efficiency of the auxiliary units, NPHR, SCC, the efficiency of the boiler, turbine and power plant. From the data processing are obtained graph generator load to NPHR, SCC and efficiency of the plant. From the calculations, the highest value NPHR of 3580.77 kcal / kWh when the load of 29.86 MW, the highest value of SCC of 0.60 kg / kWh when the load is 29.86 MW power plant and the highest efficiency of 33.54% when the load 47, 8 MW. So the higher the value of the generator load NPHR and SCC will be smaller, while efficient the power plant will increase.
ANALISA MENINGKATNYA PEMAKAIAN OLI PADA ENGINE C7 EXCAVATOR 320D CATERPILLAR MENGGUNAKAN 8 STEP TROUBLESHOOTING (STUDI KASUS PT. KASONGAN BUMI KENCANA) Lintar Hariyandi; Qomariyatus Sholehah; Achmad Kusairi Samlawi
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 2 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (260.064 KB) | DOI: 10.20527/sjmekinematika.v2i2.37

Abstract

Excavator 320D using C7 engine. Based on the problems that have occurred in the engine C7 in one company that is engaged in coal mining in which the number of engine problems that occur due to frequent loss of oil or increased oil consumption in the engine (High Oil Consumption), Using 8 Step troubleshooting with the goal knowing the cause of increased use of oil in the Engine C7 Caterpillar 320D Excavator and, Knowing the impact of rising oil consumption of the engine components Caterpillar 320D Excavator C7, and Knowing the cost of losses due to increased oil consumption in the Engine C7 Caterpillar 320D Excavator. After analysis 8 step troubleshooting is known to cause increased oil consumption is excessive because of the use of air cleaner is not in accordance with the OMM (Operational Manual Maintenance applicable, the impact of increased oil consumption which These conditions lead to premature wear on the components and the cost of repair to the engine that experienced high oil consumption amounted Rp.309.056.768
Co-Authors Achmad Kusairi Samlawi Lintar Hariyandi Muhammad Miftah Noor Rizca Sigit Siswanto