As technology develops, energy needs will increase, therefore there is a need for innovation in energy use, namely by utilizing alternative energy, namely solar energy. In solar power plants, the most important component in converting solar energy into electrical energy is the solar panel. Solar panels are able to produce electrical power based on solar radiation, solar panel temperature, and w…
Electrical energy has become the primary need of the community for daily activities. Renewable energy sources in place from fossil must be created to meet the people’s daily needs. One of them is by utilizing a transducer called piezoelectric as a source of electrical energy. Piezoelectric can convert mechanical force into electrical energy. Based on the function of piezoelectricity, the auth…
Manajemen energi adalah program terpadu yang direncanakan dan dilaksanakan secara sistematis untuk memanfaatkan sumber daya energi secara efektif dan efisien. Tujuan diadakannya manajemen energi adalah untuk penghematan energi dan penghematan biaya akibat kenaikan harga energi, kelangkaan sumber daya energi serta kesadaran akan dampak buruk dari eksploitasi berlebihan terhadap energi bagi lingk…
Kebutuhan energi meningkat karena perkembangan teknologi. Energi listrik dari pembangkit listrik menjadi kebutuhan utama di Indonesia, tetapi masih banyak menggunakan bahan bakar fosil. Data Kementerian Energi menunjukkan sektor perusahaan (51,85%), transportasi (30,77%), rumah tangga (13,18%), dan sektor komersil (4,28%) sebagai pengguna energi terbesar. Penggunaan energi terbarukan, seperti e…
Energi matahari merupakan salah satu energi terbarukan yang memiliki potensi yang besar, ramah lingkungan, dan berkelanjutan. Radiasi yang dipancarkan matahari dapat dikonversikan menjadi energi listrik bertegangan DC (Direct Current) melalui panel surya (photovoltaic). Panel surya memiliki keterbasan dimana peningkatan temperatur permukaan panel surya yang diterima akan berdampak terhadap penu…
Salah satu cara melakukan pola hidup hemat energi adalah dengan melakukan konservasi energi yang salah satu jenisnya adalah audit energi. Pada penelitian ini dilakukan audit energi yaitu proses yang mengevaluasi penggunaan energi dan mengidentifikasi peluang penghematan energi dan rekomendasi untuk meningkatan efisiensi penggunaan energi dan penggunaan sumber energi yang berkaitan dengan penghe…
Solar energy has a very abundant amount and is friendly to the environment. Therefore, all living things use the sun as a source of life. However, conventional energy that is still widely used as an energy source to produce electrical energy is such as coal, gas, and petroleum. Because the supply of conventional energy that will not be able to be used continuously for a long period of time, an …
The global increase in temperature and climate change are highly significant issues today and represent one of the main challenges facing the world. The concept of a green campus is a suitable initiative to address these challenges. By creating an environmentally friendly campus, universities are taking concrete actions to address existing environmental issues. Research on the green campus at t…
Photovoltaic is a tool for converting solar energy into electrical energy that is pollution-free and environmentally friendly, so it is very necessary to carry out further research in developing renewable technologies. Seeing this, it is necessary to innovate renewable energy that is effective and efficient so that it can be converted into electrical energy in the long term so that it can conti…
Sandwich panels are a groundbreaking material structure, prized for their lightweight and strength. The core of these panels is a crucial factor influencing their strength, and in this study, a cylindrical hollow core was used. The main aim is to find the most effective core shape and material for reducing forces, employing simulations to save time and costs. Three tests were conducted: compres…
Karya tulis ini menyajikan analisis energi dan eksergi untuk menginvestigasi peluang peningkatan kinerja Pembangkit Listrik Tenaga Panas Bumi Lumut Balai Sumatera Selatan yang saat ini merupakan sistem single flash kemudian dimodifikasi menjadi sistem double flash. Tujuan utama dari penelitian ini adalah untuk memperoleh besarnya peningkatan daya keluaran dan efisiensi pembangkit dengan adanya …
The event of power loss in the distribution network is an event that cannot be avoided, but the amount of power loss that occurs can still be overcome or reduced to a minimum. This study aims to determine the amount of energy loss and the amount of loss that is obtained by the canary feeders at the Seduduk Putih substation. The data collection method used in this study used field observation me…
Renewable energy sources are environmentally friendly alternative energy sources to replace fossil energy. One of the new renewable energy sources is a solar power plant that converts solar energy into electrical energy with solar panels. One way to increase the output power is by adding a flat mirror reflector and a fresnel lens concentrator. In this study, two prototypes of 10 WP polycrystall…
Electricity is one of the energy needed at this time. The longer and more developed the era of electrical energy is the energy that is often used for human life. One of the uses of electrical energy can be seen in a factory or industry. Industry requires large amounts of electrical energy. Where is PT. Laju Perdana Indah is a large industrial factory that uses a large amount of electricity for …
Several climatological factors can affect the efficiency produced by solar panels, one of which is the influence of air humidity in the environment. Air humidity is the concentration or content of water vapor in the air. Air humidity in the atmosphere affects the efficiency of sunlight that can be absorbed by solar panels. In this study, a system was designed using 50 Wp monocrystalline solar p…
Solar energy is a renewable energy source that can be converted into electrical energy through the photovoltaic principle that occurs in solar panels. A Solar cell is a tool that functions to convert sunlight energy into electrical energy. Photovoltaic is a technology that functions as a direct converter of solar radiation into electrical energy. The study used 3 units of polycrystalline-type s…
The use of fossil fuels such as petroleum and coal is increasingly reduced role both in the world and in Indonesia, this is due to fossil fuel is a source of energy that can not be renewed so that the use continues to decline with a large scale reduce the fossil fuel reserves. Biomass gasification was chosen as one of the ways to utilize biomass waste into energy. Biomass gasification is a proc…
The need for electrical energy in Indonesia increases in the future. Currently, Indonesia relies on fossil-based energy resources, such as crude oil and coal. These energy resources decrease from time to time. Thus, new and renewable energy resources are important to support the energy transition toward cleaner and sustainable energy. Biomass gasification refers to a method of creating sustaina…
Thermogravimetry analyzer is a tool for performing thermal analysis where the mass of the test material will be inversely proportional or directly proportional to the increasing temperature rate and time function (the temperature increases constantly). The results of the TGA test will be displayed in the form of a comparison graph between mass increase and time, a comparison graph between tempe…
This study examines and evaluates the performance of the Lumut Balai Muara Enim Geothermal Power Plant which operates in both design and off-design conditions. The method used in analyzing the thermodynamic performance is exergy analysis to show the rate of losses exergy either as a whole system or per component. The technology used by Lumut Balai Geothermal Power Plant to extract geothermal ex…
Electrical energy is one of the energy that is needed in life. In the current modernization era, the demand for electrical energy in Indonesia tends to increase. One of the uses of electricity that is widely used today is a source of lighting. More attention should be paid to the use of electrical energy production from non-renewable sources, such as coal, natural gas, and petroleum because the…
Electrical energy is primary need for human life, industrial sector is one of the fields that utilize electricity with high usage, that efficient of electricity is needed. Laundry is an industry with services offered washing and ironing clothes. To evaluate efficiency MCDM–PROMETHEE method is used, this determines order or priority of the use of electrical energy. The advantage of this method…
The sun is a source of energy that is closely related to human needs, where the energy can be obtained from heat that propagates to the earth's surface, or light that falls to the earth's surface. Renewable energy has a very important role in meeting energy needs considering that the source is very abundant. This is because the use of fuel for conventional power plants in the long term will dep…
The use of conventional energy as a source of electrical energy has been widely used, but it can cause air pollution and adversely affect the environment. Solar energy is an alternative energy. Using photovoltaic technology, sunlight energy can be used as a source of electrical energy.. In improving the performance of solar panels in generating electrical energy, there has been a lot of researc…
Tujuan penelitian ini adalah untuk mempelajari karakteristik kerupuk kemplang dari berbagai jenis dan ketebalan kerupuk kemplang yang dikeringkan menggunakan alat pengering kerupuk kemplang dengan energi matahari. Penelitian ini dilaksanakan di industri pengolahan kemplang Ellen dan Laboratorium Kimia Hasil Pertanian Jurusan Teknologi Pertanian Fakultas Pertanian Universitas Sriwijaya. Pelaksan…
Pure aluminum is capable of cast, but its mechanical properties are so poor. One way to improve its mechanical properties is to add other elements by casting combined with pure lead.In this study was conducted to see the effect of the addition of pure hiutam tin to the activation and oxidation energy in the powder produced by pure aluminum casting combined with pure lead at high temperatures. R…
The use of conventional energy as the electrical source energy has been widely used, but this energy can cause air polution and many bad effects for the environment. Sun energy is one of the alternative energy. With photovoltaic technology, the sunlight can be used as the electric source. In order to improve the performance of photovoltaic panel for producing electrical energy, many researches …
Photovoltaic is a tool for converting solar energy into electricity that is pollution-free and environmentally friendly, so it is necessary to carry out further research in developing new / renewable technologies. The disadvantage of the performance of the photovoltaic panel when receiving solar radiation will increase the temperature of the photovoltaic panel but reduce its efficiency. To over…
The role of electric motors is important for human life such as industrial and home fields, namely 3-phase motors, AC and DC Motors then BLDC Motors. This study aims to determine the capacity of 2 BLDC motors with different sizes, namely 27 x 27 mm and 35 x 36 mm with RPM 1400 Kv as a mini water pump driver. The study was conducted for 14 days and calculated on average. Charging electric curren…