Penelitian ini bertujuan untuk menganalisis kinerja turbin angin sumbu vertikal tipe Darrieus dengan konfigurasi tiga sudu menggunakan profil airfoil NACA 0015. Penelitian ini dilatarbelakangi oleh meningkatnya kebutuhan energi listrik serta keterbatasan bahan bakar fosil, sehingga diperlukan pengembangan sumber energi terbarukan yang berkelanjutan, khususnya energi angin. Indonesia memiliki po…
Increased demand for electrical energy and limited fossil fuel resources have driven the development of renewable energy, one of which is wind energy. Darrieus vertical axis wind turbines have the potential to be developed in Indonesia because they are capable of operating in variable wind conditions without requiring a wind direction guidance system. This study aims to analyze the actual perfo…
Increasing electricity demand requires efficient and environmentally friendly power generation systems. Combined Cycle Power Plant (CCPP) have high efficiency levels because they combine the Brayton cycle in gas turbines and the Rankine cycle in steam turbines. The performance of Combined Cycle Power Plant is greatly influenced by gas turbine operating conditions, particularly ambient temperatu…
Francis turbines are one of the most widely used reaction turbines in hydroelectric power plants (HPPs) due to their high efficiency and ability to operate at varying heads and moderate discharge rates. However, in laboratory-scale installations, turbine performance can decline due to component damage and inaccurate measuring instruments. This study aims to repair a laboratory-scale Francis tur…
This research aims to design and build a vertical-axis wind turbine with 2-blade and 4-blade configurations using a variety of PVC, polyfoam, and aluminum materials. The use of wind turbines as a renewable energy source is increasingly important given the rising price of fossil fuels and the negative environmental impact of their use. The Indonesian government has set a target to achieve 23% of…
Kompresor adalah komponen mesin yang sangat penting pada suatu sistem turbin gas. Karena fungsi kompresor disini adalah sebagai penyuplai udara yang bertekanan tinggi yang akan dikompreskan di ruang bakar. Pada Pembangkit Listrik Tenaga Gas PT. Cogindo Daya Bersama unit Simpang Tiga Indralaya menggunakan kompresor aksial sebagai salah satu komponen mesin dari GE GAS TURBINE MS6001B. Kompresor y…
Tugas akhir ini membahas tentang analisis eksergi pada sistem kogenerasi Turbin gas di PT Pusri unit I-B. berdasarkan analisis ini dapat diketahui besarnya irreversibilitas yang terjadi selama proses berlangsung pada tiap-tiap komponen dalam sistem tersebut. Berdasarkan analisis perhitungan maka didapatkan irreversibilitas pada tiap-tiap komponen, pada sistem turbin gas irreversibilitas terting…
Turbin uap adalah sebuah penggerak mula yang mengubah energi potensial uap menjadi energi kinetik dan selanjutnya energi kinetik uap diubah menjadi energi mekanis dalam bentuk putaran poros turbin. Pada suatu tingkat turbin, jumlah penurunan kalor yang benar-benar dikonversikan menjadi energi mekanis poros turbin adalah lebih kecil dari pada nilai-nilai yang dihitung untuk tingkat turbin yang i…
Boiler is conversion energy instrument to convert fluids from liquid phase to gas phase (Steam). Boiler are generally used in various industrial sectors, especiaily steam power plant. Boilers consist of several types and different uses of fuel, such as water tube boilers and fire tube boilers, solid fiiels such as coal, liquid fuels such as kerosene, and diesel fuel, and gas fuels such as natur…
This research aims to analyze the efficiency of different blade materials on a micro-scale Savonius turbine used for charging mobile phone batteries. Given the importance of developing renewable energy due to the decreasing availability of fossil energy, this study focuses on harnessing wind energy as an alternative renewable energy source. A prototype Wind Power Plant (PLTB) with blade materia…
The energy used currently is predominantly fossil energy. Water is a natural resources that can be used as alternative energy to replace the use of fossil fuels. Therefore, the development of water energy as an alternative energy source continues to be improved as well as independent power generation. Crossflow turbines are considered from a number of characteristics such as simple turbine cons…
The Francis turbine is one of the most widely used reaction turbines in hydropower plants due to its high efficiency in converting water potential energy into mechanical energy. However, turbine efficiency can decrease due to component damage and suboptimal valve opening settings. Such conditions occurred in the laboratory-scale Francis turbine at Sriwijaya University, making system repairs and…
Turbin gas adalah motor bakar yang terdiri dari tiga komponen utama, yaitu kompressor, ruang bakar, dan turbin. Sistem ini dapat berfungsi sebagai pembangkit gas ataupun menghasilkan daya poros. Ciri utama turbin gas adalah ringan, kompak, dan mampu menghasilkan daya tinggi serta bebas getaran. Dengan demikian mudah pemasangannya dan tidak memerlukan pondasi yang berat Prinsip keija turbin gas,…
Many villages in Indonesia still face limited access to electricity due to geographical conditions and low income levels. The use of pico-scale crossflow turbines is one of the right alternatives to increase the electrification ratio in remote or rural areas. Crossflow turbines are considered economical, because of their simple design, relatively low installation costs, and have the ability to …
The increasing demand for electricity is growing rapidly, necessitating even larger supplies. Therefore, new efforts are needed to obtain energy sources to meet this demand. In areas that are difficult to reach by the PLN distribution network, it would be better to use renewable energy power plants, such as solar power plants (PLTS) or wind power plants (PLTB). This research aims to analyze the…
The study designed the crossflow water turbine runner by using material paralon (PVC), which compare variation in the angle of inlet runner 20 °, 30 °, 40 ° to get maximum efficiency. This testing using test equipment the laboratory or micro hydro power plant PLTMH to utilize renewable energy sourced from water capacity 7 litres per second with the source water from a pump with water velocit…
Coal is one source of energy with substantial reserves, Coal in Indonesia generally are low rank coal that have not been utilized optimally. As for the classification of coal are based on degree and quality of the coal itself, there are Peat with a 1.700-3.000 kcal/kg calorie value, Lignite with a 1.500-4.500 kcal/kg calorie value, Sub-Bituminous with a sub-bituminous calorie value, Bituminous …
Pada dasarnya, dalam segala bentuk perencanaan konstruksi, pondasi memegang peranan yang sangat penting. Pada proyek relokasi gardu induk PLN Indralaya, perhitungan perencanaan pondasi bukan hanya dipengaruhi oleh beban statis tapi juga beban dinamis yang ditimbulkan oleh getaran mesin yang sedang beroperasi. Jenis pondasi yang digunakan pada penelitian ini adalah pondasi rangka. Perhitungan d…
The province of South Sumatra has a total area of approximately 87,017.42 km2 and lies between 1º - 4º south latitude, 102º - 106º East Longitude. South Sumatra, known as aquatic area, has large rivers with abundant water resources, these water resources are sourced from 9 major major rivers, the Musi River, and other rivers. (Kadin Indonesia, 2011). Turbine is a tool used to convert an ene…
Fossil energy has three main weakness which are the source in nature are limited, can cause damage to the environment during the process of exploration and production, as well can cause gobal warming from the gas it produces as the result of the combustion. Renewable energy can be used as an altemative energy to replace fossil energy, in this case wind energy can be gained using the wind turbin…
Efforts to fulfill the increasing need for large power required is always an effort to increase the efficiency of one of the efficient use of fuel and the impact on environmental pollution, in particular the efficiency of power generation. Enterprises in this efficiency improvement is done by a variety of things including increasing the use of gas turbine power plant PLTG (simple cycle) being P…
Gas power plant is one of power plant that widely used in Indonesia. Main parts of this system is a gas power plant compressor, combustor, and gas turbine. In this power plant used the latest type of technology TM-2500 where the gas turbine installed at the 4-wheeled trailer that uses LM2500 turbine type, this gas turbine is well known as a gas turbine which has good efficiency, because the per…
Turbin angin sumbu vertikal (TASV) merupakan turbin angin dengan poros yang berputar tegak lurus terhadap arah aliran angin. Umumnya, perputaran rotor disebabkan oleh adanya gaya hambat (clrag forces) yang lebih dominan dari gaya angkat (lift forces) pada sudu rotor atau sebaliknya. Sudu tipe Lenz2 merupakan inovasi sudu TASV yang dapat mengkombinasikan gaya angkat dan gaya hambat sebagai sumbe…
Water potential in Indonesia can be used and utilized as an altemative energy. Water is the source of energy that is cheap and relatively easy to obtain, because the water stored potential energy and kinetic energy. Hydro potential in Indonesia for a large scale is 75 G W with an instal led capacity of 4200 M W or utilized only 5.6%. As for the small-scale hydro energy, Indonesia has a potentia…
Kemampuan berproduksi suatu sumur merupakan tolak ukur didalam perencanaan peralatan produksi, tujuannya untuk mendapatkan laju produksi yang optimal dan sesuai dengan target. Sistem peralatan produksi yang berfungsi untuk mengalirkan laju produksi kepermukaan yaitu tubing (pipa produksi). Ukuran tubing yang tidak sesuai dengan Productivity Index (P1) dapat menghambat kesinambungan produksi min…
The provide of future energy is a problem that always become main attention of the countries all around the world because human welfare in modem life however has connection with quality and quantity of energy that has been used. Electrical energy is one of factors that very important in country development and establishment. Right utilization of electrical energy will be a good factor to stimul…
This study investigates the effect of blade length on the efficiency and power output of a pico-scale Turgo turbine to address a significant gap in the existing literature regarding the optimal runner to nozzle diameter ratio (D/d), to determine the optimum conditions on each blade, this study uses D/L by maintaining a blade spacing of 6.5 mm then D/d has a blade count of 24. The method used is…
This paper presents exergy and exergoeconomic analysis to evaluate the performance of the PT Pertamina RU III Plaju Gas Turbine Cogeneration System existing system and a modified system with regenerator. The main objective is to determine the amount and location of exergy destruction in each component, the cost of destruction and the thermal efficiency of the gas turbine cogeneration system. Op…