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Vendy Antono
Jurusan D3 Teknik Mesin, Sekolah Tinggi Teknik - PLN
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Kajian Kelayakan Penambahan Fuel Gas Heatergas Turbin Tipe M701D Untuk Meningkatkan Effisiensi PLTGU Grati Vendy Antono; Retno Aita Diantari; Yudi Kriswanto
JURNAL POWERPLANT Vol 3 No 1 (2015): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v3i1.811

Abstract

PT Indonesia Power UBP Perak RoW have six gas turbines with a capacity of 100 MW each in which the fuel used is natural gas. One of the things that is very considered in the generation of electricity is the efficiency of an equipment, the observation that we encounter in the gas turbine efficiency is still relatively low, wasting fuel and have high production costs. To overcome this, the existing power plant should need to improve the efficiency of the total system that will reduce fuel consumption and production costs. In this case, one way to improve the efficiency of gas turbine type M701 D by adding a fuel gas heater (FGH) to absorb most of the heat in the exhaust (waste heat) through the Rotor Cooling Water (RCA) utilized to heat the fuel before entering into the gas turbine, without reducing the functionality of the cooling system of the gas turbine is even improve the functioning of the RCA itself, it aims to minimize waste heat are dumped into the atmosphere is not too large so that the efficiency of the system at the Gas Turbine increased overall, lower fuel consumption so that the production cost becomes less. Having done a comparison of calculation before and after FGH fitted with a variety of load Gas Turbine in getting power output increase by 1.11% - 1.37% and the efficiency of gas turbines rose by 0.25% - 0.39% and a decrease in heat rate ranging between 0.8% - 1.47%.
Analisis Kerusakan Bending Yang Menyebabkan Striasi Pada Material Water Wall Tube PLTU Uboh Banten 3 Lontar Unit 1 Vendy Antono; Erlina Erlina; Rangga Dwi Prasetya
JURNAL POWERPLANT Vol 3 No 2 (2015): JURNAL POWER PLANT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/powerplant.v3i2.831

Abstract

Steam power plant At found a component At unit 1 PLTU UBOH 3 MANUSCRIPT where there is damage in the material waterwall tube.Waterwall tube that experienced kergagalan as damage rolling, bending, causing striasi happened in the vertical on the west side.Striasi are characteristic of deformation volume.for an extended period of time this may lead to more serious damage. Given the importance waterwall tube in boiler on a power plant, so I do a medical check-up and research in the material that has received the damage waterwall tube with some testing method of analysis of other chemical composition, analysis of violent methods vickers), and analysis metalografi, SHEM and EDS where it is hoped that it can be expressed the analysis of the process was badly and the reasons why components that can be damaged and have failed.
Co-Authors Diantari, Retno Aita Erlina Erlina Rangga Dwi Prasetya Yudi Kriswanto