RELEVANCE BIOFUEL PRODUCTION IN RUSSIA

2015 ◽  
Vol 2 (1) ◽  
pp. 46-48 ◽  
Author(s):  
Рахманкулова ◽  
R. Rakhmankulova ◽  
Красникова ◽  
D. Krasnikova
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Biofuel Production ◽  
Energy Sources ◽  
Advantages And Disadvantages ◽  
Fuel Pellets

This article explores relevance of obtaining energy using alternative and renewable energy sources. Particular attention is devotes a new kind of biofuel, which has become popular in Europe - fuel pellets. Identified and justified the need to increase the production of pellet fuel in Russia, gives concrete examples, which are supported by figures. Moreover, the authors expound the advantages and disadvantages of biofuel production in Russia

scholarly journals Multi-Criteria Decision-Making (MCDM) for the Assessment of Renewable Energy Technologies in a Household: A Review

Energies ◽  
2020 ◽  
Vol 13 (5) ◽  
pp. 1164 ◽  
Author(s):  
Indre Siksnelyte-Butkiene ◽  
Edmundas Kazimieras Zavadskas ◽  
Dalia Streimikiene
Keyword(s):  
Decision Making ◽  
Renewable Energy ◽  
Scientific Literature ◽  
Renewable Energy Sources ◽  
Multiple Criteria Decision Making ◽  
Energy Sources ◽  
Renewable Energy Technologies ◽  
Advantages And Disadvantages ◽  
Energy Technologies ◽  
Depth Analysis

Different power generation technologies have different advantages and disadvantages. However, if compared to traditional energy sources, renewable energy sources provide a possibility to solve the climate change and economic decarbonization issues that are so relevant today. Therefore, the analysis and evaluation of renewable energy technologies has been receiving increasing attention in the politics of different countries and the scientific literature. The household sector consumes almost one third of all energy produced, thus studies on the evaluation of renewable energy production technologies in households are very important. This article reviews the scientific literature that have used multiple-criteria decision-making (MCDM) methods as a key tool to evaluate renewable energy technologies in households. The findings of the conducted research are categorized according to the objectives pursued and the criteria on which the evaluation was based are discussed. The article also provides an overview and in-depth analysis of MCDM methods and distinguishes the main advantages and disadvantages of using them to evaluate technologies in households.

scholarly journals DEVELOPMENT OF SOLAR ENERGY IN UKRAINE IN THE CONTEXT OF THE TRANSITION TO THE CARBON-NEUTRAL ECONOMY

2021 ◽  
Vol 2021 (1) ◽  
Author(s):  
T. Pimonenko ◽  
O. Lyulyov ◽  
N. Letunovska ◽  
O. Lytvynenko ◽  
A. Nazarenko
Keyword(s):  
Renewable Energy ◽  
Solar Energy ◽  
Alternative Energy ◽  
Renewable Energy Sources ◽  
Developed Countries ◽  
Energy Sources ◽  
Advantages And Disadvantages ◽  
Alternative Energy Sources ◽  
Research And Innovation ◽  
Leading Position

The article aims to study current trends in the use of solar energy in Ukraine and the world as one of the main directions of decarbonization of the national economy. The authors systematize the prospects, advantages and disadvantages of the development of renewable energy sources. They conducted a comparative analysis of the "efficiency" of solar energy in some countries and Ukraine. The authors determined that the leading position in terms of the share of energy consumed from renewable sources is occupied by countries with developed economies due to the availability of effective motivational mechanisms. From the experience of EU countries, the authors concluded that renewable energy sources form a prerequisite for obtaining additional socio-economic and environmental effects. In the presence of favorable market conditions, renewable energy sources can increase the level of energy security in the country and its energy independence. The article analyzes the legislation of Ukraine on stimulating the development of alternative energy. The authors proposed two opposed ways of further developing solar energy in Ukraine. In particular, the country can implement methods of using alternative energy, which developed countries have successfully implemented. Another area involves increasing research and innovation in implementing, using, maintaining, and utilizing energy-generating devices from alternative energy sources. Despite the polarity of the proposed directions for further development of renewable energy, in both cases, the state policy on attracting investment and promoting the use of energy from alternative energy sources is crucial. In addition, the authors noted the benefits for society from the development and implementation of alternative energy sources. The scaling up and promotion of energy production technologies from alternative sources can reduce carbon emissions, which has been an urgent problem globally.

scholarly journals PROSPECTS FOR RENEWABLE ENERGY FOR LOW-RISE BUILDINGS IN CRIMEA

2020 ◽  
pp. 85-93
Author(s):  
N. V. Tsopa ◽  
A. E. Dikarev
Keyword(s):  
European Union ◽  
Renewable Energy ◽  
Solar Energy ◽  
Power Supply ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
The European Union ◽  
Advantages And Disadvantages ◽  
The World ◽  
The Crimea

in the article provides a comparative analysis of the development of solar energy in the world, in the European Union, in Russia and in Crimea; the advantages and disadvantages of the use of solar energy, the features of the use of renewable energy sources are considered, the use of solar energy in the Crimea is justified; describes the mechanism of a feasibility study for the use of autonomous power supply for low-rise buildings in Crimea.

scholarly journals Green Energy in Ukraine: State, Public Demands, and Trends

Energies ◽  
2021 ◽  
Vol 14 (22) ◽  
pp. 7745
Author(s):  
Aleksandra Kuzior ◽  
Alla Lobanova ◽  
Liudmyla Kalashnikova
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Secondary Analysis ◽  
Green Energy ◽  
Energy Sources ◽  
Scientific Methods ◽  
Advantages And Disadvantages ◽  
The Face ◽  
Energy Independence ◽  
Sociological Studies

The main purpose of this paper is to analyze and address the challenges of implementing green energy in Ukraine, in particular, to identify its advantages and disadvantages. The implementation of solar renewable sources—stations, panels, and batteries—is emphasized. The results of sociological surveys of Ukrainian public opinion on environmental issues, in particular, energy issues, are presented. The existence of public demand for renewable energy and the readiness of the population to use renewable energy sources are identified. A strategy for strengthening the country’s energy independence in the face of new globalization challenges is defined. General scientific methods as well as special methods were used in this paper: statistical analysis, secondary analysis of data from sociological studies of public institutions, and desk analysis of documents and reports from public services. In this paper, it is concluded that Ukraine is geographically and territorially attractive for green energy development and investment. It is important that there is a public and state demand in the country to strengthen the country’s energy security, in particular, through the introduction of renewable energy sources. Therefore, despite drawbacks and obstacles, green energy in Ukraine has great prospects.

scholarly journals A Review on Optimization and Control Methods Used to Provide Transient Stability in Microgrids

Energies ◽  
2019 ◽  
Vol 12 (18) ◽  
pp. 3582 ◽  
Author(s):  
Seyfettin Vadi ◽  
Sanjeevikumar Padmanaban ◽  
Ramazan Bayindir ◽  
Frede Blaabjerg ◽  
Lucian Mihet-Popa
Keyword(s):  
Renewable Energy ◽  
Transient Stability ◽  
Renewable Energy Sources ◽  
Optimization Methods ◽  
Distribution Networks ◽  
Energy Sources ◽  
Advantages And Disadvantages ◽  
Optimization And Control ◽  
Islanded Mode ◽  
And Control

Microgrids are distribution networks consisting of distributed energy sources such as photovoltaic and wind turbines, that have traditionally been one of the most popular sources of energy. Furthermore, microgrids consist of energy storage systems and loads (e.g., industrial and residential) that may operate in grid-connected mode or islanded mode. While microgrids are an efficient source in terms of inexpensive, clean and renewable energy for distributed renewable energy sources that are connected to the existing grid, these renewable energy sources also cause many difficulties to the microgrid due to their characteristics. These difficulties mainly include voltage collapses, voltage and frequency fluctuations and phase difference faults in both islanded mode and in the grid-connected mode operations. Stability of the microgrid structure is necessary for providing transient stability using intelligent optimization methods to eliminate the abovementioned difficulties that affect power quality. This paper presents optimization and control techniques that can be used to provide transient stability in the islanded or grid-connected mode operations of a microgrid comprising renewable energy sources. The results obtained from these techniques were compared, analyzing studies in the literature and finding the advantages and disadvantages of the various methods presented. Thus, a comprehensive review of research on microgrid stability is presented to identify and guide future studies.

scholarly journals Social and economic efficiency of development and use of alternative power energy

2019 ◽  
Vol 67 ◽  
pp. 06007
Author(s):  
Yuriy Borovik ◽  
Yuriy Yelagin ◽  
Natalia Gritsenko ◽  
Nikolay Kondratyuk ◽  
Vladimir Nakonechniy
Keyword(s):  
Renewable Energy ◽  
Economic Efficiency ◽  
Alternative Energy ◽  
Renewable Energy Sources ◽  
Objective Assessment ◽  
Energy Sources ◽  
Advantages And Disadvantages ◽  
Alternative Energy Sources ◽  
The Social ◽  
Alternative Power

Research has been performed on the state of development and trends for alternative energy sources. Advantages and disadvantages of renewable energy have been considered. Main types of the effects due to the implementation of renewable energy sources have been investigated. Main aspects of the actual effects upon society as a whole have been determined, in order to perform the objective assessment of the social efficiency of implementation of renewable energy sources. Methods to determine the social and economic efficiency of using the renewable energy sources have been suggested.

scholarly journals System aukcyjny jako nowy sposób wspierania OZE

2018 ◽  
Vol 18(33) (3) ◽  
pp. 113-133
Author(s):  
Waldemar Gostomczyk
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Comparative Method ◽  
Research Problem ◽  
Energy Sources ◽  
Public Funds ◽  
Renewable Sources ◽  
Advantages And Disadvantages ◽  
Short Period ◽  
Production Technologies

The article analyzes both existing and proposed legal acts in the field of promoting and generating energy from renewable sources. The model of energy management based on renewable sources is implemented differently in individual countries. With the increasing share of renewable energy and the level of objectives for the coming years, it is essential that they are achieved with the lowest possible cost of support from public funds. For this reason, many countries have decided to gradually move to the auction system, giving control over the costs, structure and capacity increase of new RES installations. The research problem is the evaluation of the effectiveness of the auction system against the background of the instruments used so far, both in terms of the increase in new generation capacities and the costs of achieving the intended objectives. These issues, due to the short period of functioning of the new system, have not been properly identified yet. The study uses data from the years 2010-2018. The spatial range was mainly in Poland, but examples from other countries around the world were also used. The research and analysis used a comparative method and a list of individual renewable energy production technologies according to the analyzed values. It has been hypothesized that an auction system based on competitive principles, more effectively and with lower support of public funds will allow for achieving goals related to the promotion of renewable energy sources. The aim of the article is to present the current and new RES support system, prices obtained in auctions and the first experience in its implementation. The research material were Eurostat and GUS statistical materials, documents from the European Commission, the Ministry of Energy, the Energy Regulatory Office, reports on support systems from European countries and Poland. Research methods used in the work include analysis of documents, normative acts, subsequent amendments to the Act on renewable energy sources and regulations issued on their basis. The assessment and recognition of the level of support in the auction system in countries that have been using this instrument for many years was also made. These analyses allowed the assessment of the effects of the auctions carried out, their advantages and disadvantages, and helped formulate conclusions in the field of organizational changes ensuring efficient functioning of the auction system.

scholarly journals Application of Waste Glycerol as a Draw Solution for Forward Osmosis

Membranes ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 44
Author(s):  
Ewa Bernacka ◽  
Hanna Jaroszek ◽  
Marian Turek ◽  
Piotr Dydo ◽  
Dymitr Czechowicz ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Forward Osmosis ◽  
Biofuel Production ◽  
Energy Sources ◽  
Linear Flow ◽  
Waste Glycerol ◽  
Draw Solution ◽  
Membrane Type ◽  
Flow Velocities

Waste glycerol generated during biofuel production accounts for ~10% of total biodiesel volume. Increasing the use of renewable energy sources, including so-called biodiesel, will significantly increase the amount of waste glycerol for disposal. One possible route for waste glycerol reuse is to use it as a draw solution in forward osmosis (FO). Glycerol solutions are particularly suited as FO draw solutions due to their high osmotic pressures. In this work, the effects of waste glycerol composition on FO draw solution osmotic pressures, as well as the effects of membrane type and linear flow velocities on FO water and reverse flux, were investigated. Those results indicated the feasibility of using waste glycerol as a draw solution in FO, allowing the reuse of significant amounts of this by-product.

scholarly journals The use of agricultural waste for the renewable energy production

2019 ◽  
pp. 138-144 ◽  
Author(s):  
Anita Zapalowska ◽  
Ulyana Bashutska
Keyword(s):  
Energy Source ◽  
Renewable Energy ◽  
Power Plants ◽  
Biogas Production ◽  
Renewable Energy Sources ◽  
Agricultural Waste ◽  
Energy Sources ◽  
Key Technology ◽  
Advantages And Disadvantages ◽  
Biogas Plants

In addition to hydroelectric power plants, solar and wind power plants, biogas plants are important in the production of electricity and heat from renewable energy sources. It is known that depending on the type of substrate used for processing and the design features of biogas plants, they have their own advantages and disadvantages. Nevertheless, properly localized biomass installation is able to decrease the use of conventional materials reducing greenhouse gas emissions. Bio-waste, plant residues and other by-products can be used to produce electricity, heat and purified methane as fuel for repaired vehicles. Biogas production is a key technology for the sustainable use of agricultural biomass as a renewable energy source. Both, Poland and Ukraine, have a large agricultural area, and well developed animal cattery, which creates opportunities for alternative energy sources from biomass development.          Agricultural biogas plant energy produced from waste such manure, slurry and another agricultural waste, is an excellent source of heat, likewise, electricity. Therefore the importance of using agricultural waste as an energy source in the production of biogas shall be emphasized. A significant drawback of the system is the need to provide low economic and environmental losses. For this purpose, the place of biomass harvesting, transport and its preparation together with storage should be taken into account. To achieve the highest efficiency, small biogas plants should have permanent composition of substrate consisting of various ingredients.                 Ukraine and Poland has considerable potential of renewable energy sources development of which can provide significant economic, ecological, and social benefits. The production of biogas has become an attractive source of extra income for many farmers. Biogas production has a useful effect not only on economic, but ecological development, particularly in the rural regions. At the same time, environmental protection aspects have gained additional importance, so that anaerobic treatment processes have become a key technology for environmental and climate protection.          On the basis of the submitted documentation by the municipal administration and the manufacturer, the operation of biogas plants for the processing of organic agricultural waste in Gorajec and Odrzechowa (Poland) has been presented.

scholarly journals Kilka uwag o Internetowej Platformie Aukcyjnej umożliwiającej uzyskanie wsparcia w zakresie odnawialnych źródeł energii w kontekście podpisów elektronicznych

2019 ◽  
pp. 117-132
Author(s):  
Marcin Trupkiewicz
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Legal Issues ◽  
Energy Sources ◽  
Basic Principles ◽  
Electronic Signature ◽  
Electronic Submission ◽  
Advantages And Disadvantages ◽  
Selection Of ◽  
Made In

The paper describes certain basic principles of the new system of supporting renewable energy sources (RES) introduced in Poland. The amended Polish Act on Renewable Energy Sources (Polish RES Act) has introduced an auction system which is a new legal instrument enabling the selection of RES generators with adequate fi nancial support. Each Renewable Energy Sources project (RES plant project) to generate and sell electricity must go offi cially through an auction. The Internet Auction Platform is an IT tool used in the process. It en ables to conduct the pre-qualifi cation procedure as well as to prepare the auction off er. This new solution has entailed certain legal issues that must be addressed such as the access to the IT system, electronic submission of tenders or the use of an electronic signature to confi rm the statements made in the electronic procedure. All these issues have been discussed in this paper. The paper also contains an analysis of the diff erences between two possible forms of electronic signature that may be used in the process, and identifi es the main advantages and disadvantages of either. It is then concluded that although the online RES auction could be more competitive, in the version as it is it allows to carry out an eff ective auction.

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