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…
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…
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…
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…
Extraterrestrial solar radiation is solar radiation that occurs outside the earth's atmosphere. So that the intensity produced from the solar radiation will be different from the solar radiation that directly hits the atmosphere. The position or surface applied in conducting research is an important point because it can produce different values. This study aims to find out the comparison of the…
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…
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…
Pesatnya perkembangan penduduk di muka bumi ini tentunya akan diimbangi dengan penggunaan energi yang semakin banyak, termasuk energi listrik. Selama ini manusia bergantung pada penggunaan energi yang tidak terbarukan, sehingga perlu menggunakan energi terbarukan. Pemanfaatan energi matahari di Indonesia sangat tepat untuk dikembangkan dan diterapkan mengingat Indonesia merupakan negara tropis …
Tissue discontinuity can cause wound or ulcer formation. A material that is polential to cure ulcer is sunflower seed oil. Sunflower seed oil contains litioleic acid and vitamin E which have roles in wound healing process, especially in inflammation phase. The purpose of this research was to flnd out the effectivity of sunflower seed 011 in restoring tissue continuity of wounded male wistar whi…
Penelitian ini dilaksanakan untuk menguji alat pengering tipe rak dengan sumber energi matahari dan energi listrik pada pengeringan keripik nenas. Penelitian ini dilaksanakan di Bengkel Pertanian, Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Sriwijya. Pelaksanaan penelitian pada bulan Oktober 2009 sampai Mei 2010. Penelitian dilaksanakan dengan dua tahap yaitu tahap pertama pemb…
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…
Energi matahari merupakan salah satu sumber energi terbarukan yang paling banyak digunakan saat ini. Untuk mengubahnya menjadi energi listrik, energi matahari membutuhkan suatu alat yang disebut panel PV (photovoltaic panel). Ada berbagai jenis panel PV yang digunakan sebagai pembangkit listrik, salah satunya adalah panel PV polikristalin. Penelitian panel PV polikristalin dilakukan secara eksp…
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…
A research study that has been conducted at the Energy Technology Laboratory, Faculty of Engineering, Department of Electrical Engineering, Sriwijaya University. That is by designing a prototype automatic lamp that utilizes solar power with the help of Polycrystalline solar panels as a source of electrical energy to charge the battery to turn on the lights. The lack of even distribution of ligh…
Water is one of the basic needs for every human being, the availability of water is a problem for humans. As a developing country, Indonesia has a large enough water consumption power in daily life. So far, irrigation is carried out using a water pump, usually using an electric water pump whose power is large from PLN electricity. In addition to the source of electrical energy needed is very la…
The Solar Power Plant (PLTS) converts energy from sunlight (photons) into electrical energy through a photovoltaic process. The output power produced by solar panels is very dependent on the characteristics of temperature, humidity ,and also the intensity of solar radiation. Manual measurement is considered inefficient. Therefore we need a real time data recording device called Datalogger based…
Every year the need for electrical energy continues to increase, and the use of non-renewable resources is not able to continue to be sufficient. Solar Power Plant is one of the renewable energy sources, where the energy source is available directly from nature and will never run out. Lamp is an electrical equipment that serves to provide lighting which needs special attention in order to creat…
This study aims to determine the effect of the hole diameter on cooling plate on output power for polycrystalline type solar panels. When the radiation increased, then the temperature of solar panels also increased which result in decreased solar panel output power. To overcome this, a cooling system that can reduce the temperature of the solar panels is needed so as to increase the output powe…
Indonesia adalah negara yang memperoleh cahaya matahari dalam jumlah besar setiap tahunnya, namun pemanfaatan cahaya matahari masih belum maksimal dikarenakan panel surya yang digunakan untuk menghasilkan listrik dari cahaya matahari harganya mahal dan kurang optimal. Peneliti melakukan percobaan dengan menggunakan cermin datar sebagai reflektor yang dikombinasikan dengan pelacak matahari …