scholarly journals Wind energy potential in the world and in Serbia and Montenegro

2006 ◽  
Vol 19 (1) ◽  
pp. 47-61 ◽  
Author(s):  
Dusan Mikicic ◽  
Branko Radicevic ◽  
Zeljko Djurisic

Today, wind energy participates by not more than 0,5 % in the gross world production of electric energy. However, according to the presently existing world trends and due to the fact that the world?s wind energy potential is immense, it can be predicted that in the following decades this low percentage might become thirty times larger. Unfortunately, not one modern wind generator has yet been installed in our country, although conditions are favourable in this respect. Experiences the world has had so far impose the necessity of analyzing technical possibilities for the construction of wind generators and the necessity to incorporate wind energy into the strategic model of the development of energetics in Serbia and Montenegro (SM). In this paper we analyze the availability of wind energy on the global scale, in Europe and in SM. We show in this paper that in SM wind is the energy resource about 10 000 MW (20 TWh/year) whose activation would greatly enlarge already installed capacities, increase the diversity of types of energy sources and reduce the dependence on the importation of raw energy sources.

Energies ◽  
2021 ◽  
Vol 14 (15) ◽  
pp. 4435
Author(s):  
Travis C. Douville ◽  
Dhruv Bhatnagar

The significant offshore wind energy potential of Oregon faces several challenges, including a power grid which was not developed for the purpose of transmitting energy from the ocean. The grid impacts of the energy resource are considered through the lenses of (i) resource complementarity with Variable Renewable Energy resources; (ii) correlations with load profiles from the four balancing authorities with territory in Oregon; and (iii) spatial value to regional and coastal grids as represented through a production cost model of the Western Interconnection. The capacity implications of the interactions between offshore wind and the historical east-to-west power flows of the region are discussed. The existing system is shown to accommodate more than two gigawatts of offshore wind interconnections with minimal curtailment. Through three gigawatts of interconnection, transmission flows indicate a reduction of coastal and statewide energy imports as well as minimal statewide energy exports.


2014 ◽  
Vol 10 (1) ◽  
pp. 38-45
Author(s):  
Angel Terziev ◽  
Ivan Antonov ◽  
Rositsa Velichkova

Abstract Increasing the share of renewable energy sources is one of the core policies of the European Union. This is because of the fact that this energy is essential in reducing the greenhouse gas emissions and securing energy supplies. Currently, the share of wind energy from all renewable energy sources is relatively low. The choice of location for a certain wind farm installation strongly depends on the wind potential. Therefore the accurate assessment of wind potential is extremely important. In the present paper an analysis is made on the impact of significant possible parameters on the determination of wind energy potential for relatively large areas. In the analysis the type of measurements (short- and long-term on-site measurements), the type of instrumentation and the terrain roughness factor are considered. The study on the impact of turbulence on the wind flow distribution over complex terrain is presented, and it is based on the real on-site data collected by the meteorological tall towers installed in the northern part of Bulgaria. By means of CFD based software a wind map is developed for relatively large areas. Different turbulent models in numerical calculations were tested and recommendations for the usage of the specific models in flows modeling over complex terrains are presented. The role of each parameter in wind map development is made. Different approaches for determination of wind energy potential based on the preliminary developed wind map are presented.


2020 ◽  
Vol 10 (1) ◽  
pp. 29
Author(s):  
Harry Setyo Wibowo ◽  
Aditya Muhammad Nur ◽  
Mukhlis Ali ◽  
Dimas Alfredo

Wind energy is a renewable energy sources which has big potency to develop in Eastern Indonesia especially in East Nusa Tenggara that has low electrification ratio (58.64%) and mostly depend on Diesel Powered Electric Generator as main electric power generation. One effort to meet electricity needs in NTT is through the development of Wind Powered Electric Generator. One of the islands that have the best wind energy potential in NTT is Sumba Island. Based on consideration of the potential of wind energy, location topography, and transportation access, the most appropriate location for the design of Wind Powered Electric Generator in Sumba Island is the Mondu District. Based on the electricity needs in the island of Sumba of 10 MW, the design of the Wind Powered Electric Generator which is carried out with the concept of a wind farm produces its design with 105 wind turbines with three propellers, each with a power of 100 kW. The total electrical power generated by the PLTB which was designed was 10.24 MW after taking the wake effect into consideration due to the laying of the wind turbine.Energi angin merupakan salah satu energi terbarukan yang potensial dikembangkan di Indonesia Timur terutama di provinsi Nusa Tenggara Timur (NTT) yang masih mempunyai rasio elektrifikasi rendah (58,64%) dan masih mengandalkan PLTD sebagai pembangkit listrik utama. Salah satu upaya untuk mencukupi kebutuhan listrik di NTT adalah melalui pengembangan PLTB. Salah satu pulau yang mempunyai potensi energi angin paling baik di NTT adalah Pulau Sumba. Berdasarkan pertimbangan potensi energi angin, topografi lokasi, dan akses transportasi, lokasi yang paling tepat untuk perancangan PLTB di Pulau Sumba adalah di Distrik Mondu. Berdasarkan kebutuhan listrik di Pulau Sumba sebesar 10 MW, maka perancangan PLTB yang dilakukan dengan konsep ladang angin (wind farm) menghasilkan rancangan PLTB dengan 105 buah turbin angin dengan tiga baling-baling yang masing-masing berdaya 100 kW. Total daya listrik yang dihasilkan oleh PLTB yang dirancang adalah 10,24 MW setelah memperhitungkan adanya wake effect akibat peletakan turbin angin.


2021 ◽  
Vol 1 (5) ◽  
pp. 7-11
Author(s):  
Georgi Belev

Global climate fluctuations and projections of deteriorating sustainable human development since the beginning of the 21st century have highlighted the need to look for alternative energy sources to carbon fuels. The utilization of solar and wind energy has become a challenge for engineers and technologists to develop new technologies for more efficient development of renewable energy sources. The purpose of this paper is to present the territorial features in the utilization of renewable energy sources – solar radiation and wind in Bulgaria. The study focuses on the regional features of the solar- and wind energy potential. Based on statistical data, the utilization of the RES potential is considered through a review of the installed capacities


Energies ◽  
2019 ◽  
Vol 12 (12) ◽  
pp. 2357 ◽  
Author(s):  
Andrea Farkas ◽  
Nastia Degiuli ◽  
Ivana Martić

The European Union is a leading patron for the introduction of renewable energy, having set a target that renewable sources will represent at least 27% of total energy consumption by the year 2030. Presently, the most significant Croatian renewable resource is hydropower, which is presently at its peak and will not develop further because of limited hydro resources. Therefore, the share of electricity generation from onshore wind farms in Croatia during in recent years has grown significantly. However, as the Croatian government has already made most of the concessions for possible locations of wind farms, the aim of the present study is to evaluate a different renewable energy resource, wave energy. An assessment of the offshore wave energy potential in the Croatian part of the Adriatic Sea is performed using data taken from WorldWaves atlas (WWA). WWA is based on satellite measurements, validated against buoy measurements and reanalysed by numerical wave modelling. This assessment was done for seven locations, and mean yearly energy is calculated for two offshore wave energy converters. Capacity factors were calculated for annual as well as for seasonal levels, and it was concluded that the bulk of the energy would be generated in autumn and winter. The most probable extreme significant wave height was determined at the investigated locations as well. Furthermore, the offshore wind energy potential was evaluated and compared to the wave energy potential.


2017 ◽  
Vol 1 (1) ◽  
Author(s):  
Muhammad Rizal Fachri ◽  
Hendrayana Hendrayana

Energy needs in Indonesia in particular and the world in general continue to rise due to population growth, economic growth and energy consumption patterns themselves are constantly increasing. One of the fast growing renewable energy in the world today is wind energy. Wind energy is a renewable energy that is very flexible. In general, the utilization of wind power in Indonesia is less attention. Until 2004, the installed capacity of wind power utilization is only up to 0.5 MW from 9:29 GW potential. One method used to measure the wind energy potential of wind energy for electricity generation is by using the Weibull method. From the analysis that has been carried out by the method of Weibull can be concluded that the wind energy potential of wind energy for electricity generation in Banda Aceh does not meet the eligibility criteria.


2015 ◽  
Vol 4 (4) ◽  
pp. 466
Author(s):  
Yemele David ◽  
Bawe Gerard Nfor, Jr ◽  
Talla Pierre Kisito ◽  
Ghogomu Patrick Ndinakie

<p>Accurate analysis of wind characteristics for a particular site is the first step towards wind energy resource installation. In this study, the onus is to determine the wind energy potential characteristics, and the best representative probability density function, for the Abong Mbang weather station and its immediate environ. The Chi square, coefficient of determination and root mean square error were used as the discriminating goodness of fit tests. Results show that the gamma distribution is the best representative of the wind speed regime, closely followed by the Weibull distribution. We equally study the feasibility of the installation of wind turbine systems at this site based on the Weibull and the Rayleigh models. It is observed that Abong Mbang is characterized by very low wind speeds, higher shape parameters than the scale parameters and consequently very low power density values. Abong Mbang is not technically feasible for the installation of small wind turbine.</p>


Vestnik MEI ◽  
2020 ◽  
Vol 5 (5) ◽  
pp. 35-46
Author(s):  
Galina V. Deryugina ◽  
◽  
Evgeniy V. Ignatiev ◽  
Myat Tun Htet ◽  
Mikhail G. Tyagunov ◽  
...  

Nowadays, one of pressing problems in Myanmar is shortage of electric energy, which makes approximately 10% of all electric energy consumed in the country. This shortage can be partially decreased by constructing large-capacity grid-connected wind farms. The last four years have seen a general decline in the growth rates of commissioned wind farm capacities around the world; nonetheless, certain wind energy industry sectors, primarily offshore wind energy, demonstrate a steady growth. In recent years, the market of Asian countries, in particular, that of China, is one of the most rapidly growing offshore wind energy markets. An updated theoretical wind energy potential of Myanmar is given. It is shown that the highest wind intensity is observed on the western and southern coasts of Myanmar, which make approximately 8% of the country’s total area. The theoretical wind energy potential of the Andaman Sea water area near the west coast of Myanmar at heights equal to 10 and 100 m has been evaluated for the first time; eight promising sites for constructing offshore wind farms have been determined, and a model for analyzing efficient wind farms has been selected. A procedure has been developed, using which the optimal composition of a complex of several wind farms with the total capacity equal to 47.6 MW has been found. These wind farms are located at significant distances from each other in Andaman Sea areas, which are characterized by an essentially non-uniform distribution in time of wind intensities in them. Owing to this feature, it is possible to increase the energy generation by 8% and achieve a higher wind farm capacity utilization factor.


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