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Wyświetlanie 1-15 z 7290
Tytuł:
Storage of wind power energy
Autorzy:
Tywoniuk, Andrzej
Skorupka, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/242948.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
energy storage
wind energy
renewable energy
energy storage method
Opis:
There has been a big increase in production and investments in wind turbines and wind farms in last 20 years. New generation of wind turbines is more reliable than from 1980’s are, which necessary condition is energy production is to play an important role among renewable energy sources. Over the last 30 years, the size of wind turbines increased 7 times, as nominal power increased nearly 14 times. At present, turbines capable of producing over 10 MW of power are being developed. The main reason for continued growth of turbines sizes is to minimize the energy cost per kilowatt-hour. However, it is worth remembering that according to the „square-cube law”, there is a maximum size after the surpassing of witch the cost of ever-larger turbines would grow faster than financial gain from the increased size. In this article, authors present energy storage methods and devices for wind power plants and cost-effectiveness of the individual energy storage methods. Authors also present data about energy storage efficiency and groups of energy storage devices for wind power plants such as: compressed-air power stations + gas turbine (CAES), utilizing underground wells, pumped storage power plants, rechargeable batteries (lithium-ion, lead-acid, sodium sulphur, VRB, zinc-flow, zinc-air, zinc-air), flywheels, hydrogen production and storage systems, superconducting magnetic energy storage (SMES), electrostatic storage – electrolytic capacitors.
Źródło:
Journal of KONES; 2019, 26, 4; 257-264
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Energy Union Tour – success or failure?
Autorzy:
Pach-Gurgul, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/616482.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Energy Union Tour
Energy Union
energy security
energy policy
internal energy market
Opis:
The objective of the Energy Union is to integrate 28 national energy markets, guarantee free movement of energy through the borders of the member states, implement new technologies, increase energy efficiency and renew transmission infrastructure. This project is advocated in response to the energy crisis of 2009, between Russia and Ukraine, as a result of which the gas transit to some of the EU countries was discontinued. This project, however, does not enjoy equal interest among all EU member states. This is the outcome of the national interests of some member states, which, for many years, have had good political and economic relations with the Russian Federation, particularly in the area of energy raw materials. Therefore, Maroš Šefčovič – the European Commissioner in charge of the Energy Union, organised an Energy Union Tour, i.e. a series of meetings in all the member states, taking place at the turn of 2015–2016, the objective of which was to show what the Energy Union could offer each of them. The structure of the paper was determined by the research procedure and the response to all the research questions, comprising: introduction, reflections on the security of the energy raw material supply and the projects of Energy Union and Energy Union Tour as well as the conclusions from the research and the summary.
Źródło:
Przegląd Politologiczny; 2018, 1; 103-118
1426-8876
Pojawia się w:
Przegląd Politologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ukrainian perspectives of using world experience in investing in energy innovations
Autorzy:
Lazarenko, Dmitry
Krutogorskyi, Iaroslav
Powiązania:
https://bibliotekanauki.pl/articles/692537.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
alternative energy
renewable sources
energy generation
energy efficiency
energy policy
Opis:
The article presents the world economic trends of alternative energy. An analysis of international programs and innovative projects that are implemented and used in the energy sector is introduced. Conceptual proposals and innovative research in the field of alternative energy are represented. The author also suggests ways of formation of effective energy management and rational energy policy.
Źródło:
Research Papers in Economics and Finance; 2017, 2, 1; 27-32
2543-6430
Pojawia się w:
Research Papers in Economics and Finance
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy Security as a Priority for CEE countries. Is the King Naked?
Autorzy:
Szwedziak-Bork, Ilona
Powiązania:
https://bibliotekanauki.pl/articles/529947.pdf
Data publikacji:
2016-06-30
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
energy policy
energy security
Energy Union
European Energy Security Strategy
Opis:
The aim of this article is to assess the implementation process of the EU energy security policy in Central and Eastern European (CEE) countries. In the EU, energy security remains a crucial issue for European Energy Strategy, the fundamental goals of which include the security of supply, sustainability and competitiveness. Security of supply should be considered the most important aspect in this context, because it is connected to deep interdependencies between markets and economies, often based on political or even geo-political considerations. This is currently particularly noticeable, among other things, in the relations between the EU and Russia, where – in the event of any potential energy supply disturbances – some CEE countries are considered to be the most exposed. By analysing matters referred to the security of energy supplies, the article aims to determine the scope of activities undertaken by selected CEE countries which are also EU Member States in order to achieve this goal. The paper stresses the significance of cooperation by CEE countries at regional level, and focuses on initiatives and projects meant to ensure the security of their energy supplies. The conclusions of the paper assess some of the success stories as well as failures experienced by CEE countries in the process of building their energy independence.
Le but de cet article est d'évaluer la mise en oeuvre de la politique de sécurité énergétique de l’Union européenne dans les pays de l’Europe centrale et orientale (PECO). Dans l'UE, la sécurité énergétique est un enjeu crucial pour la Stratégie énergétique européenne qui contient parmi ces objectifs fondamentaux la sécurité de l'approvisionnement, la durabilité et la compétitivité. La sécurité de l’approvisionnement doit être considérée comme l'aspect le plus important dans ce contexte, car elle est liée aux interdépendances profondes entre les marchés et les économies, souvent basées sur des considérations politiques ou même géo-politiques. Ceci est actuellement particulièrement visible, entre autres, dans les relations entre l'UE et la Russie, où - dans le cas de perturbations concernant l'approvisionnement en énergie - certains PECO sont considérés comme le plus exposés. En analysant les questions concernant la sécurité de l’approvisionnement énergétique, l'article vise à déterminer l’étendue des activités entreprises par certains PECO [qui sont aussi les États Membres de l’Union européenne] afin d’atteindre cet objectif. L’article souligne l'importance de la coopération des PECO au niveau régional et se focalise sur les initiatives et les projets visés à assurer la sécurité de l’approvisionnement énergétique de ces pays. Les conclusions de cet article évaluent des réussites, ainsi que les échecs des PECO, dans le processus de la construction de leur indépendance énergétique.
Źródło:
Yearbook of Antitrust and Regulatory Studies; 2016, 9(13); 95-120
1689-9024
2545-0115
Pojawia się w:
Yearbook of Antitrust and Regulatory Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy policy of Liechtenstein
Autorzy:
Kucharska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/101754.pdf
Data publikacji:
2019
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
energy policy
energy transition
Liechtenstein
energy security
Opis:
Liechtenstein is the fourth smallest country in Europe, which determines the low economic importance of this country on the international arena. Therefore, Liechtenstein is usually overlooked in the analysis of economic policies in various countries, including the energy sector. However, the analysis of such a small country brings a valuable complement to researches on potential and challenges with regard to the implementation of energy transformation policy especially taking into account the countries with poor capabilities. It should be emphasised that due to difficult geographical conditions and strong external influences, deepened analysis of the process of formulating energy policy in Liechtenstein should arouse the interest of those countries that suffer geographical disadvantages to strengthen their energy security.
Źródło:
Energy Policy Studies; 2019, 2 (4); 62-78
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation of energy demand in a territorial government unit - methodological problems
Szacowanie zapotrzebowania na energię jednostki terytorialnej - problemy metodyczne
Autorzy:
Kowalczyk-Juśko, A.
Kościk, B.
Powiązania:
https://bibliotekanauki.pl/articles/2051742.pdf
Data publikacji:
2017
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Tematy:
energy balance
energy demand
energy consumption
methodology
Opis:
Subject and purpose of work: The aim of the study is to identify methodological problems, which may be encountered during the preparation of the energy balance of a territorial unit, along with indications of ways to solve them. Materials and methods: Problems were identified during the preparation of the energy balance for two selected rural communes and then they were investigated with reference to the literature on this subject. Results: Estimating the energy demand of a local government unit requires proper identification of the groups of energy consumers, divided into facilities owned or co-owned by communes and ones independent from commune authorities. The latter group is divided further, into households, businesses, farms. For each of the users different methods of obtaining data may be needed: a survey and analysis of statistical data, analysis of financial documents, evaluation of the buildings’ age. Generally, however, preparing an energy balance statement requires many simultaneous approaches, and the combination of multi-criterion analysis provides the most reliable picture of the problem. Conclusions: The scope of the data needed to compile an energy balance statement for local government units, depends on the purpose of the developed analysis. Methodological handbooks and training materials on this subject are helpful, but the developed methodologies may need to be modified and adapted to specific conditions.
Przedmiot i cel pracy: Celem pracy jest wskazanie problemów metodycznych, na jakie napotkać można podczas sporządzania bilansu energetycznego jednostki terytorialnej, wraz ze wskazaniami sposobów ich rozwiązania. Materiały i metody: Problemy zidentyfikowano podczas sporządzania bilansu energetycznego dwu wybranych gmin wiejskich, a następnie skonfrontowano z literaturą przedmiotu. Wyniki: Oszacowanie zapotrzebowania na energię w jednostce samorządu terytorialnego wymaga właściwego określenia grup odbiorców energii w podziale na obiekty będące własnością lub współwłasnością gminy oraz niezależne od władz gminy. Druga grupa dzieli się dalej, na gospodarstwa domowe, przedsiębiorstwa, gospodarstwa rolne. Dla każdej z grup odbiorców mogą być potrzebne odmienne metody pozyskania danych: badanie ankietowe, analiza danych statystycznych, analiza dokumentów finansowych, ocena wieku budynków. Najczęściej jednak sporządzenie bilansu energetycznego wymaga stosowania wielu podejść równocześnie, a połączenie wyników analizy wielokryterialnej daje najbardziej rzetelny obraz badanego problemu. Wnioski: Zakres danych, potrzebnych do sporządzenia bilansu energetycznego jednostki samorządu terytorialnego, zależy od celu opracowania analizy. Poradniki metodyczne i materiały szkoleniowe na ten temat są pomocne, jednak opracowane metodyki mogą wymagać modyfikacji i dostosowania do konkretnych warunków.
Źródło:
Economic and Regional Studies; 2017, 10, 3; 5-16
2083-3725
2451-182X
Pojawia się w:
Economic and Regional Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economic models to evaluate energy costs: Are externalities and energy accounting the answer?
Autorzy:
Duckers, Les
Rodgers, Tom
Powiązania:
https://bibliotekanauki.pl/articles/14113369.pdf
Data publikacji:
2021-09-24
Wydawca:
Wyższa Szkoła Bankowa we Wrocławiu
Tematy:
Embodied energy
energy accounting
externalities
renewable energy
Opis:
Aim: In the context of climate change this paper explores the value of models for evaluating energy costs by considering energy accounting and externalities instead of capitalistic economics.   Research methods: We test the hypothesis that the conventional economic model of the energy market can lead to inappropriate choices, and that those choices may be environmentally damaging. We examine energy accounting (energy return on energy investment), embodied energy and the incorporation of external costs as more valuable economic models.   Findings: This paper reviews existing economic tools and examines modifications, which, when applied to energy provision or efficiency and conservation of energy applications, may give more accurate information about investment, return and environmental damage. Energy accounting of schemes should be a preliminary requirement for all proposed energy schemes. Externalities are less readily applied, but as the costs associated with renewable energy are becoming competitive in conventional economic terms, they are less valuable than energy accounting.   Value of the paper: The paper concludes that a preliminary assessment of a proposed energy scheme should be undertaken using energy accounting and external costs to determine the true energy value. These models could be used to select the best environmental option. Indeed “energy uneconomic” schemes, which cost more energy than they deliver, should be abandoned in order to avoid unnecessary environmental damage. After this process, legislation and fiscal measures such as taxes and incentives could be applied to satisfy social and political imperatives. Examples of energy accounting in insulation and consideration of external costs in a proposed strategy to replace fossil-fuelled electrical generation in Indonesia are included in the paper.   Limitations: We have not considered the serious question of finite fossil fuel resources and feel that this would be a profitable line of research.
Źródło:
Central European Review of Economics and Management; 2021, 5, 3; 33-50
2543-9472
Pojawia się w:
Central European Review of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of “Green Energy” in Coal-Based Energy Culture – Implications for Poland’s Energy Security
Autorzy:
Pronińska, Kamila
Powiązania:
https://bibliotekanauki.pl/articles/523099.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Warszawski. Ośrodek Analiz Politologicznych
Tematy:
energy security
energy culture
energy policy
renewable energy
sources
fossil fuels
Opis:
This paper surveys key features of Poland’s energy culture and energy security situation and how they influence country’s attitudes towards environmental dimension of energy policy. It looks in this context at the obstacles and prospects for development of renewable energy in Poland. It deals, on the one hand, with the mechanisms and reasons behind disregarding in a public discourse potential role of RES in securing future energy needs of Polish society, on the other hand, with a potential contribution of green energy to Poland’s energy security.
Artykuł ma na celu prezentację cech charakteryzujących polską kulturę energetyczną oraz kluczowych problemów bezpieczeństwa energetycznego Polski jako czynników wpływających na podejście kraju do ekologicznego wymiaru polityki energetycznej. W tym kontekście analizowane są bariery i szanse rozwoju produkcji energii ze źródeł odnawialnych w Polsce. Artykuł z jednej strony podejmuje temat mechanizmów i przyczyn niedoceniania w publicznym dyskursie potencjalnej roli OZE w zabezpieczeniu przyszłych potrzeb energetycznych społeczeństwa, z drugiej strony analizuje możliwe korelacje między wykorzystaniem OZE a bezpieczeństwem energetycznym Polski.
Źródło:
Kwartalnik Naukowy OAP UW "e-Politikon"; 2013, 7; 54-75
2084-5294
Pojawia się w:
Kwartalnik Naukowy OAP UW "e-Politikon"
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of „Smart Metering” in load diagrams analysis
Autorzy:
Wnukowska, B.
Grycan, W.
Kott, M.
Brusiłowicz, B.
Powiązania:
https://bibliotekanauki.pl/articles/97493.pdf
Data publikacji:
2010
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
smart metering
European energy policy
energy policy
electric energy
energy consumption
Źródło:
Computer Applications in Electrical Engineering; 2010, 8; 184-192
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Role of Renewable Energy Sources in the USA Energy Production – Part II
Autorzy:
Gapinski, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/409443.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
renewable energy
energy resources
Opis:
The article analyzes the renewable energy resources in the USA including Pennsylvania. Contributions of the most important renewable technologies in energy production are described: solar power, wind energy, hydroelectric, nuclear, and geothermal. The contribution of other resources such as hydrogen and fuel cells, bio-energy resources due to their negligible level of impact is not addressed. Some aspects of political considerations affecting policies and regulations related to energy production in the USA and beyond are also addressed. Academia’s response to new demands for graduates in alternative and renewable energies with an example of academic engineering degree program is included.
Źródło:
Research in Logistics & Production; 2016, 6, 6; 523-535
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Role of Renewable Energy Sources in USA Energy Production – Part I
Autorzy:
Gapinski, A. J.
Powiązania:
https://bibliotekanauki.pl/articles/409556.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
renewable energy
energy resources
Opis:
The article analyzes the present role of renewable energy resources in U.S. energy production including Pennsylvania. Comparisons are being made to European Union (EU-27) block, the Organization for Economic Co-operation and Development (OECD) block, and some developing and third world countries. Classification of main energy resources and their trends in the USA energy production is provided. Renewable energy resources are analyzed and their contribution to the USA energy balance is described.
Źródło:
Research in Logistics & Production; 2016, 6, 5; 419-428
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the influence of the primary energy factor of hydropower plants in the methodology for assessing the energy performance of buildings
Autorzy:
Tamašauskas, Rokas
Šadauskienė, Jolanta
Šadauskaitė, Monika
Powiązania:
https://bibliotekanauki.pl/chapters/31234003.pdf
Data publikacji:
2020
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
primary energy
renewable energy
hydropower
energy efficiency
Opis:
There is currently no common or standardized procedure for certification of the energy performance of buildings, as each EU Member State takes into account the specificities of its own construction sector when implementing the provisions of Directive 2010/31/EU. This usually depends on two features: the purpose of the building and the climate. Therefore, the purpose of this paper is to evaluate the influence of the hydropower primary energy factor for assessing the energy performance of buildings. For this purpose, non-renewable primary energy factor values were analyzed regarding actual energy production and consumption data from 19 Lithuanian hydroelectric plants. The results of the studies show that the average value of the non-renewable primary energy factor of hydropower plants is 0.059.
Źródło:
Innovations – Sustainability – Modernity – Openness. Energy; 67-76
9788366391291
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economic dimension of Polish energy security
Autorzy:
Czech, Anna
Powiązania:
https://bibliotekanauki.pl/articles/18797197.pdf
Data publikacji:
2017
Wydawca:
Instytut Badań Gospodarczych
Tematy:
energy security
Polska
energy policy
energy resources
Opis:
Research background: Stable and reliable access to a variety of energy carriers is undoubtedly a basis for the development of any economy. Therefore, the primary condition for the security of the state and its citizens is to ensure the essential minimum of energy on its territory. We can observe, however, an increasing dependence of the Polish energy sector on external sources. Purpose of the article: The aim of this paper is to examine and evaluate the economic aspects of the Polish energy security considering the fact of growing de-pendency on foreign supplies of energy carriers. Methods: In this paper we analyze the Polish energy security using several indicators: fuel/price efficiency ratio, energy intensity of the economy and Herfindahl-Hirschman rate of market concentration. For calculations we use statistical data provided by Energy Market Agency publications, including ?Energy Situation in Poland? covering the years of 2000? 2015. Findings & value added: On the one hand, the Polish energy security depends on its internal conditions and resources - in this context, the available resources of coal and lignite play an extremely positive role because they provide access to a reliable source of energy. On the other hand, Poland is becoming dependent on external commitments that restrict the free use of domestic resources, thus lowering the energy security of the country, speaking in particular of oil and natural gas resources. The analysis carried out in this paper will allow to evaluate the effectiveness of using various energy carriers with respect to their price, market structure and geopolitical conditions.
Źródło:
Oeconomia Copernicana; 2017, 8, 3; 383-399
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The President of the Energy Regulatory Authority in relation to energy policy in Poland
Autorzy:
Rejmus, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/684751.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Energy policy
energy law Energy Regulatory Authority
Opis:
The subject matter of the essay is the tasks of the President of the Energy Regulatory Authority in relation to energy policy in Poland. The essay is divided into two parts. The first part presents basic information about the national regulatory authority, regulation and kinds of energy policy. The second focuses on the tasks of the President of the Energy Regulatory Authority in various areas, such as: energy effectiveness, energy security, renewable forms of energy and competition in the energy market. The article examines the tasks carried out by the President in the past and those which must come into force in the future to modernize the Polish energy market. Finally, the author thrashes out the legal relations between the functions of the President of the Energy Regulatory Authority and the aims mentioned in Polish energy policy. The author pays special attention to the problems of liberalisation in the energy market in Poland.
Źródło:
Adam Mickiewicz University Law Review; 2014, 3; 123-133
2450-0976
Pojawia się w:
Adam Mickiewicz University Law Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Beispiele für Zusammenarbeit und Geschäftsbeziehungen Zwischen… Energieunternehmen aus Österreich und Deutschland in den Jahren 2008–2013
Autorzy:
Paszyn, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/648486.pdf
Data publikacji:
2016-06-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Germany
Austria
energy
energy companies
energy collaboration
Nabucco
Opis:
The aim of this article is to present the collaboration between companies in the energy sector in Austria and Germany. During the financial crisis 2008–2012, Austrian energy companies became important partners of German firms supplying Germany with the energy necessary for industries and households. In addition, companies from Austria and Germany participated in the first phase of construction of the pipeline Nabucco. Thanks to manage capital of Austrian and German companies, they may now jointly pursue the objective of expansion in third countries market. After the energy reform, known as the Energiewende, Germany needs more electricity, which largely provide the company with a smaller, but equally high-tech Republic of Austria.
Źródło:
International Studies. Interdisciplinary Political and Cultural Journal; 2016, 18, 1; 85-100
1641-4233
2300-8695
Pojawia się w:
International Studies. Interdisciplinary Political and Cultural Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 7290

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