scholarly journals Study of Hybrid System for Optimization of Energy Source in Ut Island, Maluku

2021 ◽  
Vol 927 (1) ◽  
pp. 012013
Author(s):  
Siti Aisyah ◽  
Indra Ardhanayudha Aditya ◽  
Natalina Damanik
Keyword(s):  
Alternative Energy ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Great Distance ◽  
Energy Resources ◽  
Economic Perspective ◽  
Fossil Energy ◽  
Energy Needs ◽  
Hybrid Power Plant ◽  
Plant Configuration

Abstract Eastern side of Indonesia has a group of scattered Islands and have a great distance from the main Island. Fossil fuels are the main option for meeting the needs of electrical energy in the outer Islands. But the availability of fossil fuels is very dependent on the weather and modes of transportation. In addition, fossil energy also causes emissions and environmental pollution, so efforts to diversify alternative energy by utilizing renewable energy are needed to meet energy needs. Ut Island, Maluku is one of the Islands which is not yet powered by utilities. In this paper, the HOMER software is used to determine the optimal hybrid power plant configuration from a techno-economic perspective by utilizing energy resources available on the Island. From the simulations that have been carried out wind speed has a significant influence on the optimal configuration of the PLH system. Load value affects the amount of NPC and COE. The greater the load is fulfilled, the higher the NPC. But contrary to NPC, COE value will decrease.

scholarly journals Effect Of Rotor Blade Wing Tip On Wind Turbine Performance Using Naca 0018 Blade

2021 ◽  
Vol 1 (2) ◽  
Author(s):  
Ibnu Mas'ud ◽  
Rachmad Firdaus
Keyword(s):  
Wind Turbine ◽  
Wind Power ◽  
Alternative Energy ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Rotor Blades ◽  
Alternative Source ◽  
Shaft Rotation ◽  
Energy Needs ◽  
Wing Tip

Indonesia currently has a growing need for energy, this will experience an energy crisis, dependence on fossil fuels will at least have a serious threat, therefore there must be alternative energy as a substitute and reserve such as wind energy, water energy, solar energy, and other. This study aims to develop a wind power plant as an alternative source to produce electrical energy, namely a wind turbine. This tool is used to meet energy needs and also as an alternative energy so that fossil fuels will not run out. Because Indonesia is an archipelagic country and is located on the equator, Indonesia is a country that has abundant resources, one of which is wind. Wind turbine is a tool that functions to convert wind power into mechanical power in the form of a shaft rotation, this shaft rotation is then used for power generation or for water pumps. Therefore I tried to develop my ideas to utilize abundant natural resources to be used as a source of electrical energy by means of a wind turbine using a Naca 0018 blade. This study aims to determine the effect of the number of blades, the effect of profiles, the effect of the wing tip of the rotor blades. , naca 0018, and the resulting energy efficiency. This study uses the type of experimental research.

scholarly journals PERANCANGAN SOLAR CELL SEBAGAI SUMBER ENERGI LISTRIK ALTERNATIF UNTUK PENERANGAN LOBBY FAKULTAS TEKNIK UNIVERSITAS RIAU KEPULAUAN

SIGMA TEKNIKA ◽  
2019 ◽  
Vol 2 (2) ◽  
pp. 151
Author(s):  
Endang Susanti
Keyword(s):  
Solar Cell ◽  
Human Activities ◽  
Alternative Energy ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Electricity Supply ◽  
The Stability ◽  
The University ◽  
Research And Design ◽  
Current Energy

Electricity is one of the most important needs of the community electricity shorttages are very disturbing human activities as well as the University of Riau Islands campus is very dependent on electricity supply from PLN, because this campus conducts tearning activities at night, the current energy is mustly fulfilled by fosil fuel energy such as petroleum, coal and natural gas but the supply of this energie is decreasing, PLN which as a supply of electricity is very dependent on fossil fuels so that PLN can at any time turn out blackouts on the campus of the University of Riau Islands very disturbed with the rilling blackout because the campus will be dark.there needs to be alternative energy at least illuminating as long as the electricity from PLN is on, this research and design is to build asolar electricity supply sistem to help temporary lighting in this design. PLTS is utilized as Alternative electrical energy to illuminatethe lobby of the Faculty of engineering Universitas Riau.Byusing50Wp solar cell panel,charge controller to maintain the stability of the sistem and 42 Ah batrtery, by using this sistem Dc lamps as a load of 54 Watt batrei capacitycan be lit during a blackout from the PLN. 

scholarly journals Deposition Formation Effect of Biodiesel in a Diesel Engine Fuel Injector

2021 ◽  
Vol 9 (8) ◽  
pp. 1057-1060
Keyword(s):  
Diesel Engine ◽  
Alternative Energy ◽  
Fossil Fuels ◽  
Research Work ◽  
Energy Resource ◽  
Petroleum Products ◽  
Energy Resources ◽  
Engine Fuel ◽  
Fuel Injector

To establish a long-term sustainability of biodiesel to fulfill the quest for renewable fuel resources for the countries has low or no fossil fuels reserves. The energy resource meets to its limited capacity, alternative new energy resources must be explored such as the introduction of biodiesel as an alternative energy resources of petroleum products. The present research work is a 90-hour long-term endurance test performed with B30 sample (biodiesel 30% + 70% diesel) fueled with modified investigation performance, sound pressure level and engine durability. Special attention has been given to certain phenomena affecting the life of the engine, the formation of deposits and its performance. Experimental results of this research work demonstrated that the modified diesel engine could be efficiently performed with the B30 fuel sample.

scholarly journals How return sludge increase biogas production from cow manure?

2020 ◽  
Vol 181 ◽  
pp. 01006
Author(s):  
Ambar Pertiwiningrum ◽  
Ratih Kusuma Wardani ◽  
Joko Wintoko ◽  
Rachmawan Budiarto ◽  
Margaretha Arnita Wuri ◽  
...  
Keyword(s):  
Retention Time ◽  
Alternative Energy ◽  
Fossil Fuels ◽  
Biogas Production ◽  
Raw Material ◽  
Cow Manure ◽  
Fuel Price ◽  
Energy Needs ◽  
Methane Level ◽  
Alternative Energies

The energy needs in Indonesia are mainly fulfilled by fossil fuels based energy. Since there is the rise of fuel price, Indonesia government considers seeking alternative energies from renewable resources. Biogas becomes one of the alternative energy that supplies energy needs and manages cow manure waste in Indonesia. To increase adoption of biogas technology, biogas production through methane enrichment is required. The experiment was conducted with return sludge system. These instruments consist of a series portable bio-digester, gas holder and return sludge unit. There were three treatments on biogas production without and with sludge addition or re-use bio-digester sludge that produced after biogas production as raw material for next biogas production. Biogas that produced was observed every two days during 40 days. The results showed that the addition of bio-digester sludge increased biogas production and methane concentration. The optimum retention time of biogas production with sludge addition was 20 days with accumulation biogas volume of 156.38 liters or increased of 38.75 from biogas production without bio-digester sludge). The optimum retention time to increase methane level was 15 days with methane enrichment from 0.8% to 29.41%.

scholarly journals Mitigation of the alternative energy for the wind farm center considering temperature and wind speed

2018 ◽  
Vol 204 ◽  
pp. 04013 ◽  
Author(s):  
Rima Septiani Prastika ◽  
A.N. Afandi ◽  
Dwi Prihanto
Keyword(s):  
Wind Speed ◽  
Power Plant ◽  
Alternative Energy ◽  
Power Plants ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Electrical Energy ◽  
Natural Source ◽  
Final Conclusion ◽  
Sustainable Procurement

Recently, electric usages are increasing every year by year in many sectors. In facts, fossil fuels have been fueled to produce electrical energy availability at many power plants which are very limited for the sustainable procurement. Developing and implementing renewable energy sources should be urgently promoted to reduce the dependence on fossil fuels that have been fueled to generate electricity for the long period throughout various power plant combinations. In expectation, the natural source of electrical energy which environmentally friendly and easy to obtain in nature is recommended to explore for the existing energy producers. The natural source of energy can be operated as an alternative power plant to reduce environmental effects and to decrease air contaminants. These works cover those opportunities. In these studies, the method used is a quantitative category with collected primary and secondary data for all evaluations and mitigations. In general, these works are also designed for identifying problems and looking for literature, data collection, processing stage, analysis phase, and final conclusion. The data used is defined in terms of temperature, air pressure, and wind speed. The collected data are supposed to the Purwoharjo City of Banyuwangi Regency, with 10 meters above ground level. Naturally, the wind speed is about 3.5 m/s to 4 m/s and the average temperature is 300° Kelvin. The potentially generated wind energy at a single point of coordinates is around 85.17 Wh.

Biofuels, fossil energy ratio, and the future of energy production

2017 ◽  
Vol 2 (5) ◽  
Author(s):  
David Consiglio
Keyword(s):  
Climate Change ◽  
Energy Production ◽  
Fossil Fuels ◽  
Energy Ratio ◽  
Fossil Energy ◽  
Energy Needs ◽  
The Future ◽  
Scientists And Engineers ◽  
Fossil Energy Ratio

AbstractTwo hundred years ago, much of humanity’s energy came from burning wood. As energy needs outstripped supplies, we began to burn fossil fuels. This transition allowed our civilization to modernize rapidly, but it came with heavy costs including climate change. Today, scientists and engineers are taking another look at

The Utilization Potential of Rice Husk as an Alternative Energy Source for Power Plants in Indonesia

2013 ◽  
Vol 845 ◽  
pp. 494-498 ◽  
Author(s):  
Muhammad Anshar ◽  
Ab Saman Abd Kader ◽  
Farid Nasir Ani
Keyword(s):  
Rice Husk ◽  
Alternative Energy ◽  
Power Plants ◽  
Electric Energy ◽  
Electrical Energy ◽  
Alternative Fuel ◽  
Rice Production ◽  
Steam Power Plants ◽  
Coal Fuel ◽  
Energy Needs

The utilization of rice husk as an alternative fuel for the power plant in Indonesia is still under study. In present, steam power plants in Indonesia are still using coal fuel. This study was conducted to obtain data on the development potential of rice husk within 12 years duration. The potential of rice husk for each province was obtained by analyzing the rice production of 22 provinces that have rice production greater than 1 million tons per year. The study shows that the potential of rice husk and potential electrical energy increased by about 36.8% within 12 years or an average increase of around 3.1% per year. For the potential of rice husk in 22 provinces, the total gain was estimated 12.76 × 106 tons which is equivalent to 6.62 × 106 tons of coal or equivalent to 3.68 × 106 tons of oil. The available capacity of power plants is around 5,664 MW with the potential of electric energy is around 49,622 GWh. This potential is equivalent to 50% of the energy needs of coal in Indonesia in 2011, which was about 99,312 GWh. In conclusion, rice husk is indeed potential to be used as an alternative fuel in power plants thanks to its increasing yearly production and ability for distribution to all provinces in Indonesia.

scholarly journals Hybrid System Using Two Panel Parallel Solar Cells 110 WP and PLN Power Source

JAICT ◽  
2019 ◽  
Vol 3 (2) ◽  
pp. 1
Author(s):  
Sarono Widodo
Keyword(s):  
Solar Cells ◽  
Hybrid System ◽  
Alternative Energy ◽  
Electrical Energy ◽  
Test Results ◽  
Hybrid Techniques ◽  
Hybrid Plants ◽  
Energy Needs ◽  
Battery Capacity ◽  
Continued Use

<p class="AbstractL-MAG">The limited availability of electricity and its continued use need to was sought for savings by providing alternative energy. New renewable energy sourced from sunlight can be an energy solution for electrical energy needs. Savings can be done using hybrid techniques from two sources to supply the load. This research makes hybrid plants utilizing sunlight using two panels of 110 wp capacity solar cells installed parallel to get a large output current. In this hybrid system used a deep cycle 12v / 100 Ah battery to supply 100-250 watts of light for three to four hours. The test results show that battery charging is very dependent on solar radiation and is needed for seven hours to reach 88% capacity and the inverter supplies a load of 213.5 watts on average for 45 minutes requiring 20% of battery capacity.</p>

scholarly journals Potential of Sorghum Varieties as Biofuel

Agromet ◽  
2021 ◽  
Vol 35 (2) ◽  
pp. 108-115
Author(s):  
Muhammad Noor Ariefin ◽  
Puji Harsono ◽  
Amalia Tetrani Sakya
Keyword(s):  
Alternative Energy ◽  
Fossil Fuels ◽  
Current Knowledge ◽  
Block Design ◽  
Sugar Content ◽  
Energy Resources ◽  
Growth And Yield ◽  
Renewable Energy Resources ◽  
Dry Land ◽  
Randomized Block Design

The downside of fossil fuels as non-renewable energy resources in Indonesia has led to invent alternative energy resources. One of alternative sources is biofuels, which are derived from organic compound that originated from plants and living creatures. Here, we used sorghum as a source of biofuels, but current knowledge of sorghum cultivation on dry land is limited. This study aims to determine the influence of sorghum genotypes on their growth and yield in a dry land, and to analyze the potential of sorghum as biofuels. This research was carried out in low land, on vertisol soil, from August to November 2020. We applied a completely randomized block design with one factor and 3 replications. Seven sorghum varieties were identified namely Numbu, Super 1, Suri 3, Keller, Kawali, Black Sorghum, and Bioguma-2. The results showed that each variety had different genetical properties leading to various growth rates in both vegetative and generative phases. Our finding revealed that Keller variety was the most productive sorghum plant as it produced the highest sugar content (20°Brix). Also, Keller was the tallest plants (>300 cm) compared to other varieties. Bioguma-2 was the second, which was proven by its longest stem (307 cm) and high stem sap content (18°Brix). Thus, we recommended the Keller and Bioguma-2 as the suitable sorghum variety to be utilized in biofuels manufacturing.

scholarly journals The Renewable Sources of Energy and the Romanian Energy Security

2018 ◽  
Vol 24 (1) ◽  
pp. 58-64
Author(s):  
Ionuț Alin Cirdei
Keyword(s):  
Renewable Energy ◽  
Energy Security ◽  
Fossil Fuels ◽  
Energy Resources ◽  
Renewable Energy Resources ◽  
Total Consumption ◽  
Renewable Sources ◽  
Fossil Energy ◽  
Long Time ◽  
Alternative Sources

Abstract Energy security is a matter of particular importance to all the world's states, whether they are producers or consumers of energy resources. For a long time, fossil energy resources have been the only source of energy used on a planetary scale. When mankind realized that fossil energy resources are a finite source of energy and that their intensive use causes many environmental problems, the most important of which is related to global warming, they have tried to find alternative sources of energy. Thus, concerns have arisen about the use of renewable energy on a wider scale, with both individual concerns of states that have potential in this area and collective concerns, such as at EU level, which has proposed by 2020, the share of energy from renewable sources used by the Union states is at least 20% of total consumption. Renewable energy resources may be an alternative to fossil fuels, but at the same time it has a number of limitations and vulnerabilities. Ensuring energy security means a comprehensive approach, understanding of limitations and reducing vulnerabilities

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