This study aims to analyze the pattern of rubber to oil palm land conversion and the factors influencing farmers’ decisions to convert their land in Musi Banyuasin Regency. The research adopts a quantitative approach through a survey method involving 71 farmers selected using proportional stratified random sampling. The research shows that most of farmers practice partial conversion (56.34%),…
Penelitian ini bertujuan untuk mengembangkan add-on Blender bernama Voxelize yang dapat secara otomatis mengonversi gambar 2D menjadi model 3D berbasis voxel. Pengembangan dilakukan menggunakan metode Multimedia Development Life Cycle (MDLC) yang meliputi tahap concept, design, material collecting, assembly, dan testing. Add-on ini membaca data piksel gambar, membentuk mask objek menggunakan th…
Penelitian berjudul “Dampak Konversi Minyak Tanah Ke Elpiji Bagi Rumah Tangga Miskin (Studi di Kelurahan Sako Kecamatan Sako Kota Palembang)” Permasalahan pokok yang dikaji dalam penelitian adalah ingin mengetahui dampak konversi minyak tanah ke elpiji bagi rumah tangga miskin dan kendala penerapan dari konversi minyak tanah ke elpiji. Permasalahan ini menarik untuk dikaji karena peneliti m…
Slope stability is an important factor in the desirability of the mining process,a stable slope will reduce the potential for losses due to landslides.It is known that changes in water content play an important role in stability because they can affect the value of soil shear strength parameters and affect slope balance.This research aims to analyze the effect of water content on cohesion and i…
Sumber daya energi terbarukan akan menjadi pengganti utama bahan bakar fosil dalam beberapa tahun terakhir karena sifatnya yang karena sifatnya yang bersih dan terbarukan. Fotovoltaik merupakan alat Konversi Energi Matahari menjadi Energi listrik yang bebas polusi dan ramah lingkungan sehingga sangat perlu untuk dilakukan penelitian lebih lanjut dalam mengembangkan teknologi baru/terbarukan. Ke…
Water hyacinth can potentially be used as a food source for Hermetia illucens L. due to its high nutritional content. In addition, as an effort to overcome environmental problems. One of the efforts to improve nutrition in water hyacinth (Eichhornia crassipes) by fermenting it with the addition of EM4. The purpose of this study was to determine the effect of the length of fermentation of water …
This study examines the determinants influencing farmers' decisions to convert land from rubber to oil palm cultivation in Sungai Rambutan Village, Indralaya Utara, Ogan Ilir. The research aims to address three main objectives: (1) to analyze the demographic and socioeconomic characteristics of farmers who convert land compared to those who do not, including factors such as age, education, farm…
Conversion of Carbon Dioxide into Methanol with Cu2O/C and Cu2O-ZnO/C Catalysts with Varying Electrical Voltage and Reaction Time is carried out using MEA consisting of an proton exchange membrane and electrodes. The electrodes were characterized using the Scanning Electron Microscope - Energy Dispersive X-Ray (SEM-EDX) method to show the morphology, electrode thickness and Cu content contained…
Developments in the human life sector have developed rapidly today which will certainly be followed by technological developments that are increasingly developing and will make electricity needs one of the main needs and greatly increase. Currently, power plants still need quite a lot of petroleum as their main fuel to produce electricity which results in being environmentally unfriendly. Renew…
Electricity is one of the most important needs of society and as the most important economic resource needed in a household to industrial activities. The use of electricity is an important factor in people's lives, both in the household sector, lighting, communications, industry and so on. This study aims to determine the value of the peak voltage, front time and tail time on impulse waves. To …
The utilization of geothermal energy as a renewable energy source has been an interesting research topic in recent decades. One of the most efficient thermal cycles in converting geothermal heat into electricity is the binary cycle. In the binary cycle, an organic working fluid is used to transfer heat from the geothermal heat source to the turbine to produce electrical energy. This study aims …
In the generator there is an excitation system as an amplification system and an input system from direct current to the rotor as a magnetic field amplifier. The excitation system that is regulated on the generator will be able to regulate the reactive power needed by the generator. The generator excitation system also has a function for the generation process to occur. Based on the function of…
Electrical energy is the most suitable and comfortable form of energy for modern society because it can be easily converted into a form of energy others, for example air conditioning, lighting, water pumps and some other necessities other. As induction motors are widely used in industry and households because these induction motors have a simple construction and are easy to operate. Single-phas…
As time goes by, the use of electrical energy is increasing in everyday life. Accompanied by the increasing population growth rate of the need for the quality and continuity of existing electrical energy. However, in the process of generating electrical energy still using fossil resources, for this reason, power plants using renewable energy such as solar power plants (PLTS) and wind power plan…
Electrical energy has now become something that is very important in everyday life, both used as lighting, a source of electronic equipment, and other uses. This causes the demand for energy in the electric power system to increase from time to time. To anticipate power outages by state electricity companies such as PLN, people tend to use generator sets (gensets) for family needs. In this stud…
The rapid development of technology in Indonesia today makes electricity the main need. In Indonesia, there are still several plants that use petroleum as the main fuel in production so that it becomes not environmentally friendly. The solution to this is to use renewable natural resources or alternative energy such as the sun. However, power generation is still not enough to meet the growing e…
PT. Cinta Manis continues to increase production to achieve the highest target so that the needs of the population in this case sugarcane can met by milling stations. This can be noticed from the sugarcane milling process. The purpose of this study is to make a Detailed Engineering Design (DED) Frame Milling Station reference from Milling Station PT. Cinta Manis so that it can be made a 3D desi…
Electrical Energy as a form of utilization of energy sources cannot be separated from the quality of human life and advances in technology. This causes an increase in the demand for this energy. In power plants, limited resources and errors in the electrical system are examples of problems that can occur in power plants. One form to overcome this is to use a generator set. Electrical Energy Pow…
The need for electrical energy continues to increase due to population growth, economic growth, and the pattern of energy consumption itself. The current depletion of fossil energy materials is one of the causes of delays in increasing the production of electrical energy. One alternative to overcome fossil energy sources is solar energy sources. The potential solar sources can provide a signifi…
Renewable energy is an option for the development of all existing resources that make energy environmentally friendly. The utilization of existing resources is very important to support the increasing energy needs. One of its uses is to use Piezoelektric PZT-type to produce electrical energy from mechanical energy produced from wind. By utilizing a wind turbine that rotates on its axis as a med…
Tujuan dari penelitian ini adalah 1) Menghitung kontribusi pendapatan usahatani karet terhadap pendapatan total rumah tangga petani 2) Membandingkan tingkat kesejahteraan petani yang ditimbulkan akibat konversi lahan padi menjadi lahan usahatani karet dan 3) Menganalisis faktor-faktor apa yang mempengaruhi konversi lahan padi menjadi lahan karet di Desa Muara Bumai I Kecamatan Lempuing Jaya Kab…
Exergy analysis is the first step in optimizing a system by knowing the level of efficiency and the irreversibility value of a component, involving the first law and second law of thermodynamics so that exergy analysis is not only focused on quantity but also on quality. This study aims to examine each component of the PLTU at PT PLN (Persero) PLTGU Indralaya South Sumatra unit, to obtain effic…
Power plants using renewable energy as an alternative to fossil-based power plants using an axial flux permanent magnet generator are considered suitable and more effective to generate electrical energy. The shape of the permanent magnet used varies, therefore this study aims to determine the effect of the shape of the permanent magnet used on the magnetic flux and the output voltage. The perma…
The need for electrical energy is increasing over time due to the increase in residential areas and the rapid growth of technology, causing the need for electricity supply to become very large. A number of power plants still use fossil energy as the main source of electricity, although the number is currently limited. The Pelton turbine type Micro Hydro Power Plant (PLTMH) is an instrument that…
Currently, electrical energy is a very important primary need in life. Micro hydro power plant (PLTMH) is a power plant that uses water energy as the main source to generate electricity. The Pelton turbine is very suitable for PLTMH because this power plant is small in scale. In this study, the authors made a prototype of the PLTMH using a Pelton turbine by varying the number of turbine buckets…
Renewable energy commonly used for power generation is from the sun, wind, water. Water is an important element in the life of living things. To flow water from low areas to high areas, a pump is needed. Hydram pumps can drain water without using electrical energy. In this study the authors designed and made a prototype of a hydroelectric power plant (PLTA) using a hydraulic ram pump with a lar…
Electricity is an important component of life in the modern era. Almost all community activities require electricity to comply with their daily needs. However, the frequent occurrence of periodic power outages makes people's productivity less. There are many alternatives to get backup electrical energy, one of which is a generator set. Usually generators in the market use carbon gas emissions f…
PLTS was chosen because its utilization does not cause pollution that can Damaging the environment. There are two types of PLTS systems, namely, Off- Grid and On-Grid. The On-Grid system uses a circuit that is connected to the PLN network. Meanwhile, Off-Grid PLTS relies on solar energy as the only main energy source. Sunlight is a form of energy from natural resources. This solar natural resou…
In this evaluation, many factors cause the difference in voltage results in the design of the permanent magnet generator between the theoretical calculations and the measurements carried out. Among them are the number of turns, the width of the air gap, and the diameter of the wire. The greater the number of turns, the greater the resulting voltage will be, while for the width of the air gap, t…