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Wyświetlanie 1-15 z 280
Tytuł:
Wind Farms Influence on Radiocommunication Systems Operating in the VHF and UHF Bands
Autorzy:
Bronk, K.
Lipka, A.
Niski, R.
Wereszko, B.
Powiązania:
https://bibliotekanauki.pl/articles/308328.pdf
Data publikacji:
2015
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
propagation
turbines
wind energy
wind farms
Opis:
The following paper discusses several aspects connected with the wind farms’ impact on radiocommunication systems. The first part of this article is filled with the analysis of the ITU-R BT.1893 model, which was originally created for the analysis of the interaction between the wind turbines and digital TV receivers in the UHF band. A measurement campaign carried out by the authors confirmed that this model is also applicable for the lower, maritime VHF band. Utilizing the software implementation of this model, the authors conducted a thorough simulation analysis of the wind turbines’ influence on radio systems working in both VHF and UHF bands. The results of these simulations are presented and discussed in the second part of the paper.
Źródło:
Journal of Telecommunications and Information Technology; 2015, 2; 30-43
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wind farms influence on radiocommunication systems operating in the VHF and UHF bands
Autorzy:
Bronk, K.
Lipka, A.
Niski, R.
Wereszko, B.
Powiązania:
https://bibliotekanauki.pl/articles/317598.pdf
Data publikacji:
2015
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
propagation
turbines
wind energy
wind farms
Opis:
The following paper discusses several aspects connected with the wind farms’ impact on radiocommunication systems. The first part of this article is filled with the analysis of the ITU-R BT.1893 model, originally created for the analysis of the interaction between the wind turbines and digital TV receivers in the UHF band. A measurement campaign carried out by the authors confirmed that this model is also applicable for the lower, maritime VHF band. Utilizing the software implementation of this model, the authors conducted a thorough simulation analysis of the wind turbines’ influence on radio systems working in both VHF and UHF bands. The results of these simulations are presented and discussed in the second part of the paper.
Źródło:
Telekomunikacja i Techniki Informacyjne; 2015, 1-2; 44-56
1640-1549
1899-8933
Pojawia się w:
Telekomunikacja i Techniki Informacyjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Liberalizacja zasad budowania farm wiatrowych
Liberalisation of wind farm construction rules
Autorzy:
Sobieraj, Kamila
Powiązania:
https://bibliotekanauki.pl/articles/9249049.pdf
Data publikacji:
2023
Wydawca:
Kancelaria Sejmu. Biuro Analiz Sejmowych
Tematy:
renewable energy sources
wind energy
investment
Opis:
In the author’s opinion, the relaxation of the rules on the construction of wind farms should lead to an increase in investment in this area. However, the author recognises the risk of protests from local communities concerned about the potential health, environmental and landscape effects of the construction of wind farms.
Źródło:
Zeszyty Prawnicze BAS; 2023, 1(77); 206-218
1896-9852
2082-064X
Pojawia się w:
Zeszyty Prawnicze BAS
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wind energy
Autorzy:
Jasiūnas, Kęstutis
Teleszewski, Tomasz Janusz
Powiązania:
https://bibliotekanauki.pl/chapters/4202218.pdf
Data publikacji:
2019
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
wind energy
wind power
wind turbines
wind farms
Opis:
Wind energy is one of the most environmentally friendly energy industries. Wind power is used in more than 70 countries of the world to produce electricity. Wind power plants generate more than 1% of the world’s electricity. Wind energy is considered to be one of the most popular renewable energy sources. In countries where this energy is already widely used, the environmental conditions substantially improve. To increase the efficiency of wind power plants and work reliability, and also to solve other problems, it is necessary to carry out climate research on wind energy and collect information on the distribution of wind energy depending on wind speed profiles, etc.
Źródło:
Buildings 2020+. Energy sources; 99-132
9788365596727
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wind power plants : types, design and operation principles
Autorzy:
Tywoniuk, A.
Skorupka, Z.
Powiązania:
https://bibliotekanauki.pl/articles/244681.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
wind energy
wind power plants
energy conversion
renewable energy
Opis:
Many countries worldwide support green energy production on large scale mostly by solar or wind energy subsidizing manufacture and operation of such systems. During the last two decades, there has been significant increase in wind energy production globally. Statistics show continuously growing investments in the development and installation of wind turbines and farms. Currently, wind energy is the second most important source of renewable energy after water energy. By 2016 global cumulative installed wind capacity surpassed 432 k MW [GWEC]. In last several years, most dynamic growth in wind power generation investments was recorded in Asia. Europe, in comparison, has less impressive but steady growth in wind power plants through the years. In this article, authors present global demand on energy in comparison to efficiency of wind power plants in relation to the local and global location as well as to the scale of installed system. Authors also present statistical data concerning wind power plants development. General classification, using number of criteria (ex. power output, construction size, rotor axis orientation and other) of wind to electric power converting devices is presented. Various types of devices, which authors describe in this article, can perform conversion of wind blow energy to the electric energy using different yet similar methods.
Źródło:
Journal of KONES; 2018, 25, 3; 479-487
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wind power stations
Autorzy:
Wawrzyniak, T.
Powiązania:
https://bibliotekanauki.pl/articles/97602.pdf
Data publikacji:
2010
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
Wind power stations
renewable energy
electric energy
wind energy
Opis:
The article describes the subject of renewable energy produced in Poland against the background of European Union. Special attention was devoted to utilization of the energy of the wind, representing a range of the types of wind turbines used in the construction of wind power stations. While presenting individual types both defects and the advantages of solutions were listed with the reference to the production of electric energy.
Źródło:
Computer Applications in Electrical Engineering; 2010, 8; 293-301
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An assessment the wind potential energy as a generator of electrical energy in the coastal area of southern Iraq
Autorzy:
Hadi, Firas A.
Abdulsada Al-Knani, Basim
Abdulwahab, Rawnak Adel
Powiązania:
https://bibliotekanauki.pl/articles/118705.pdf
Data publikacji:
2020
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
wind energy
Basrah
wind speed analysis
wind potential
Opis:
Renewable energies have the potential to provide relatively clean energy, mostly for domestic energy. Wind power generation is expected to rise in the near future and has grown exponentially over the past decade in many countries. The most important parameter that must be taken into consideration when designing and studying wind power conversion systems is the wind speed. Probability density functions (PDF) such as Weibull is often used in wind speed and wind power analyses. This research presents an assessment of wind power based on the Weibull distribution statistics in the coastal of southern Iraq at Basrah province. Wind speed data for the study site were obtained from NASA at a height of 50 m for the period 1979–2016 with a time interval of 10 min. The data at a height of 50 m were extrapolated using the power law in order to estimate the wind speed at new heights: 30, 70 and 100 m. The different parameters of the Weibull function as well as the daily and monthly wind speeds, mean, variance and potential energy at four altitudes were estimated and analysed using Windographer software. Results indicate that the maximum wind speed at 100 m is 6.4 m·s–1, giving an average power density of 298 W·m–2, which indicates that the location of the study has marginal and useless potential for installing large wind turbines.
Źródło:
Scientific Review Engineering and Environmental Sciences; 2020, 29, 1; 37-53
1732-9353
Pojawia się w:
Scientific Review Engineering and Environmental Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Novel elecrostatic wind energy converter: an overview
Autorzy:
Nowakowska, H.
Lackowski, M.
Ochrymiuk, T.
Szwaba, R.
Powiązania:
https://bibliotekanauki.pl/articles/1938630.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska
Tematy:
electrostatic wind energy converter
bladeless wind generator
Opis:
The article discusses the historical development and embodiments of the concept of generating electricity from wind energy without the use of wind turbines, so called electrostatic bladeless generators or generators without moving parts. A simplified theory and the principles of operation of generators that use a motion of charged particles in an electric field occurring under the drag force of the wind are described. Two contemporary solutions utilising the principle that has reached an implementation stage, EWICON and AerovoltaicTM, are presented in detail.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2015, 19, 2; 207-218
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pomeranian Voivodship – Present State, Opportunities Coming From Diversification the Directions of Energy Supplies and Perspectives for the Clean Energy Development
Autorzy:
Chyła, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1818437.pdf
Data publikacji:
2020
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
decarbonisation
Offshore Wind Energy
Pomeranian Voivodeship
Opis:
The article presents the current state of the domestic power industry, with special emphasis on gas in the energy portfolio, analysing the process of becoming independent from natural gas supplies from Russia. The second part of the publication presents the author's reflections on the energetics industry in the Pomeranian Voi-vodeship, the development of innovative power engineering branches and the perspectives of turning away from high-emission fossil fuels. The author puts particular attention to the planned development of the offshore wind energy sector in the Pomeranian Voivodeship, which will be a driving force for the region's economy.
Źródło:
Energy Policy Studies; 2020, 2 (6); 21--28
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zagospodarowanie energii wiatru przy użyciu małych turbin wiatrowych o pionowej osi obrotu
Wind energy utilisation based on small vertical axis wind turbines
Autorzy:
Ostrowska–Bućko, A.
Powiązania:
https://bibliotekanauki.pl/articles/402641.pdf
Data publikacji:
2014
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
energia wiatru
turbina wiatrowa
wind energy
wind turbine
Opis:
W opracowaniu dokonano charakterystyki energii wiatru i sposobu jej przetwarzania w energię elektryczną. Zaprezentowano dwa rozwiązania konstrukcji turbin wiatrowych o pionowej osi obrotu i o poziomej osi obrotu uwzględniają ich wady i zalety. Ponadto przeanalizowano warunki klimatyczne w Polsce pod kątem zasobów wiatru i lokalizacji turbin wiatrowych. W opracowaniu wskazano turbiny o pionowej osi obrotu jako rozwiązania pozwalające na szersze i lepsze wykorzystanie zasobów wiatrów w Polsce. Pozyskiwana w ten sposób energia wspomaga istniejące indywidualne instalacje grzewcze bądź oświetleniowe i poprawia lokalne bezpieczeństwo energetyczne.
The purpose of this paper is to characterise the wind energy and to describe its conversion into electric energy. The article presents two design variants for wind energy conversion which are vertical axis wind turbine and horizontal axis wind turbine, pointing out their advantages and disadvantages. Furthermore the climatic conditions in Poland were analysed, regarding wind resources and possible locations of wind turbines. As a result of analyses the vertical axis wind turbine was appointed as the solution which is more suitable for Polish region, allowing for better and wider utilisation of wind energy (in comparison to the other design). The power obtained this way is used as a support for existing individual light and heating systems, and improves local energy security.
Źródło:
Budownictwo i Inżynieria Środowiska; 2014, 5, 2; 65-72
2081-3279
Pojawia się w:
Budownictwo i Inżynieria Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pomeranian Voivodship – Present State, Opportunities Coming From Diversification the Directions of Energy Supplies and Perspectives for the Clean Energy Development
Autorzy:
Chyła, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1818429.pdf
Data publikacji:
2020
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
decarbonisation
Offshore Wind Energy
Pomeranian Voivodeship
Opis:
The article presents the current state of the domestic power industry, with special emphasis on gas in the energy portfolio, analysing the process of becoming independent from natural gas supplies from Russia. The second part of the publication presents the author's reflections on the energetics industry in the Pomeranian Voi-vodeship, the development of innovative power engineering branches and the perspectives of turning away from high-emission fossil fuels. The author puts particular attention to the planned development of the offshore wind energy sector in the Pomeranian Voivodeship, which will be a driving force for the region's economy.
Źródło:
Energy Policy Studies; 2020, 2 (6); 21--28
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Combined monitoring and time-frequency analysis for transients in wind energy systems
Autorzy:
Łobos, T.
Sikorski, T.
Amarís, H
Alonso, M
Florez, D
Powiązania:
https://bibliotekanauki.pl/articles/1395766.pdf
Data publikacji:
2010
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
power quality monitoring
wind energy
wind power plant
Opis:
The aim of this paper is the application of selected time-varying power quality indices combined with detailed time-frequency analysis for assessment of transients in wind energy system. Presented proposition utilizes short-term harmonic distortion in voltage (STHDV) characteristic as an indicator for detail local time-frequency analysis of the transients. Introduced ideas can be treated as hybrid system absorbing both power quality indices and time-frequency representation.
Źródło:
Computer Applications in Electrical Engineering; 2010, 8; 261-269
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
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:
Wind Energy for Sustainable Development as Applied to the Kaliningrad Region of Russia: Technical Aspects
Autorzy:
Nikishin, Andrey
Powiązania:
https://bibliotekanauki.pl/articles/1390622.pdf
Data publikacji:
2016
Wydawca:
Wyższa Szkoła Bankowa w Poznaniu
Tematy:
wind energy
sustainable development
energy system
mathematical model
Opis:
Sustainable development means the shift towards the use of sustainable renewable Energy sources. The development of wind energy is certainly one of the most successful examples of how to do this. Wind power engineering is the fastest developing branch of the global Energy industry. In 2014, the world reached the highest level of new wind turbines installed, a capacity more than 51 GW. This means that the share of wind in total electricity production is increasing, reaching, in some countries, outstanding values (for example, 39% of total electricity consumption in Denmark in 2014). The total capacity of a new wind turbine is comparable with the biggest traditional electrical power plants and the total installed capacity of the energy system. However, it causes specific problems of interconnection, operation, and putting such installations in traditional energy systems with traditional energy sources. There are good chances that the Kaliningrad region energy system in the nearest future would have to go into isolate operation because of the disconnection of Lithuanian, Latvian, and Estonian energy systems from Russian networks. If that is the case, the development of wind energy in the Kaliningrad region could become one of the most attractive options for a sustainable future of power engineering.
Źródło:
Studia Periegetica; 2016, 15(1); 73-81
1897-9262
2658-1736
Pojawia się w:
Studia Periegetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena zasobów energii wiatru na potrzeby małej energetyki wiatrowej
Wind energy resource assessment for the needs of small wind energy
Autorzy:
Michalak, P.
Powiązania:
https://bibliotekanauki.pl/articles/320186.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
energia wiatrowa
elektrownie przydomowe
wind energy
small wind turbines
Opis:
Wykorzystanie odnawialnych zasobów energetycznych ma, przy pewnych ograniczeniach, niewątpliwe walory środowiskowe. Jedną z popularniejszych technologii wykorzystywanych przez odbiorców indywidualnych są elektrownie wiatrowe małych mocy (do kilku-kilkunastu kilowatów). Charakteryzują się one prostą konstrukcją, coraz bardziej przystępną ceną oraz dobrymi parametrami technicznymi, co czyni je interesującym źródłem energii dla inwestorów indywidualnych.
Use of renewable energy resources is, under certain restrictions, outstanding environmental qualities. One of the most popular technologies used by individual customers are small wind power (up to several-dozen kW). They are characterized by simple construction, more affordable price and good technical parameters, which makes them an interesting source of energy for individual investors.
Źródło:
Elektrotechnika i Elektronika; 2009, 28, 1--2; 14-19
1640-7202
Pojawia się w:
Elektrotechnika i Elektronika
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 280

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