scholarly journals A Review on Wind Turbine and Wind Generator Used in WECS

2019 ◽  
pp. 01-04
Author(s):  
Nitish Kumar Singh ◽  
Dashrath Kumar
Keyword(s):  
Energy Source ◽  
Wind Energy ◽  
Wind Turbine ◽  
Power Quality ◽  
Power Plants ◽  
Harmonic Distortion ◽  
Energy Resource ◽  
Electrical Energy ◽  
Wind Power Plants ◽  
Core Energy

The applications of wind energy develop much rapidly than the other renewable resources such as solar, geothermal and so on in the 21st century. It becomes the third core energy resource following non-conventional fuels as oil and chemical. Electrical energy generated by wind power plants is the best ever developing and most promising renewable energy source. The wind is a clean, free and limitless energy source. Wind Energy Generation Systems (WECS) are confront with increasing demands for power quality and harmonic distortion control. With the advance in power electronics technology, the fast growth of variable speed WECS is now witness. However, the power quality still remains an important issue to be addressed thoroughly by researchers. This paper presents a comparative study on grid connected WECS having two different Wind Turbine Generator Systems (WTGS) using DFIG and PMSG.

scholarly journals WIND POWER PLANT FOR THE NEEDS OF SMALL AGRICULTURAL FACILITIES

2020 ◽  
pp. 116-121
Author(s):  
Vаsіly Kоrdоnsky
Keyword(s):  
Wind Energy ◽  
Low Power ◽  
Wind Turbine ◽  
Wind Power ◽  
Power Plants ◽  
Wind Farm ◽  
Electrical Energy ◽  
Advantages And Disadvantages ◽  
Wind Power Plants ◽  
The Impact

There are many advantages of wind energy, including energy, environmental, economic. Relatively low investment in wind energy projects compared to traditional energy industries. The total kinetic energy of wind in the world can be estimated as 80 times higher than the total energy consumption by humans. And although only a certain fraction of this total can be used for energy needs, the future. The development of the technology itself has enormous potential. The article introduces and provides a brief analysis and historical background of existing designs of low-power wind power plants of the world's major manufacturers; the purpose of research on the proposed topic is indicated. Proposed and developed and described a promising scheme of a wind farm for the needs of small agricultural facilities, which makes it possible to receive electric current at low wind speeds in all natural and climatic zones of Ukraine. It has been established that low-power wind power plants are one of the promising areas for obtaining electrical energy and meeting the needs for small agricultural facilities. The proposed scheme for generating electrical energy. This design of a wind turbine can produce both DC and AC power for stand-alone or grid systems. The calculation of the wind turbine rotor diameter has been reduced. The advantages and disadvantages of wind energy in comparison with traditional energy industries are described. Brief conclusions are made on the proposed design of the wind farm, this will improve the environment, reducing the impact of anthropogenic factors on the environment and also, taking into account the constant increase in energy prices, save money, since such independent small wind farms allow small agricultural facilities to be provided with energy sources.

scholarly journals PEMANFAATAN POTENSI ANGIN LAUT PENGGERAK MESIN PERAHU NELAYAN PENGGANTI MESIN BERTENAGA MINYAK

2014 ◽  
Vol 12 (1) ◽  
pp. 62-64
Author(s):  
Budi Prijo Sembodo ◽  
Rony Haendra Fora ◽  
Sri Widyastuti
Keyword(s):  
Wind Energy ◽  
Power Plants ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Engine Oil ◽  
Development Economic ◽  
Wind Power Plants ◽  
The Right ◽  
Engine Method ◽  
Economic Improvement

Wind Power Plants convert wind energy into electrical energy using wind turbines orwindmills. The problem is when in season Mitra wind / west season , fishermen catching crabs cannot directly capture crabs . The process can wait for days , until the right time to spread the net.When should wait for the weather improves fuel becomes a major problem . Fishermen do nothave the ability to purchase fuel in bulk .Results KKN PPM Theme : minimation   fuel problem ,known as fossil fuels , the use of the traditional mindset change boat engine oil into the enginefueled with energy saving environmentally friendly energy alternatives that are cheaper , achievededucation for sustainable development , economic improvement occurred residents by selling theproducts of wind energy boat engine. Method in empowerment , operational steps to correct theproblem, the volume of work in the form of JKEM and the total volume of work

PV based DG Power Quality Improvement Using Integrated D-STATCOM under varying Insolation

2021 ◽  
Vol 9 (11) ◽  
pp. 1848-1855
Author(s):  
Lakshmi Sravya Kanukolanu
Keyword(s):  
Power Quality ◽  
Power Plants ◽  
Reactive Power ◽  
Harmonic Distortion ◽  
Voltage Control ◽  
Electrical Energy ◽  
Total Harmonic Distortion ◽  
Static Synchronous Compensator ◽  
Pv Systems ◽  
Simulation Results

Abstract: The standalone grid connected Photovoltaic (PV) systems have been gradually increasing for generation of electrical energy due to ever increasing fuel and coal prices, as well as the environmental issues posed by conventional power plants. In this transition phase, power quality is at its expense, resulting in damage to equipment or appliances and lost in production. Inadequate power quality can be caused by network failures and switching operations, which primarily cause voltage dips, interruptions, transients, and network disturbances from loads which primarily produce flicker i.e., rapid voltage changes, harmonics and phase imbalance. In this paper PV is used as an external DC source for D-STATCOM (Distributed Static Synchronous Compensator) which is a FACTS device that can maintain and repair power quality limitations such as power factor correction, voltage control, load balancing and harmonic reduction. The PV-STATCOM system inverter is implemented by impending MPPT method using P&O algorithm so as to provide DC link voltage control and to improve transient response along with counteracting power quality issues. MATLAB/Simulink based simulation results are presented for the proposed PVSTATCOM model. The simulation results proves that the PV-STATCOM system has better Total Harmonic Distortion (THD) and good reactive power compensation at different irradiance levels. Keywords: Photovoltaic (PV) systems, D-STATCOM (Distributed Static Synchronous Compensator), Total Harmonic Distortion (THD), MPPT (Maximum Power Point Tracking), FACTS (Flexible AC Transmission System)

scholarly journals Классификация систем преобразования энергии ветра

2020 ◽  
pp. 356-365
Author(s):  
Saken Koishibaevich Sheryazov ◽  
S. S. Isenov ◽  
A. B. Kaidar
Keyword(s):  
Wind Energy ◽  
Detailed Analysis ◽  
Wind Power ◽  
Smart Grids ◽  
Power Plants ◽  
Electrical Energy ◽  
Wind Power Plants ◽  
Power Installations

The article analyzes the role, place and features of functioning of wind power plants. Several variants of generators and schemes for converting wind energy into electrical energy are given. A detailed analysis of existing wind units is provided. Recommendations are given for improving the reliability of wind power installations in smart grids.

scholarly journals DEVELOPMENT OF WIND ENERGY COMPLEX AUTOMATION SYSTEM

2019 ◽  
Vol 9 (2) ◽  
pp. 36-40
Author(s):  
Kuanysh Mussilimov ◽  
Akhmet Ibraev ◽  
Waldemar Wójcik
Keyword(s):  
Wind Energy ◽  
Wind Power ◽  
Power Plants ◽  
Renewable Energy Sources ◽  
Energy Resource ◽  
Electrical Energy ◽  
Energy Utilization ◽  
Automation System ◽  
Utilization Factor ◽  
Wind Potential

Wind power is one of the three main renewable energy sources, along with solar and hydropower, which are widely used to produce electricity worldwide. As an energy resource, wind is widespread and can provide electricity to much of the world, but it is both intermittent and unpredictable, making it difficult to rely on wind power alone. However, when used in combination with other types of production or in combination with energy storage, wind can make a valuable contribution to the global energy balance. Over the past few decades, wind power has emerged in a number of countries as a separate energy sector that has successfully competed with conventional energy. Attention is paid to wind power plants (WT) as part of distribution and transmission networks. In this regard, an urgent scientific and technical task is the efficient use of wind potential, which is not only to improve aerodynamic characteristics WT, but also to increase productivity WT as a whole. This article presents the type of wind turbines, among the possible applications and very promising is the wind turbine Bolotov (WRTB), which by its technical characteristics surpasses the traditional propeller and other installations using wind energy in the production of electrical energy. The increase (WEUF - wind energy utilization factor) in all modes of operation WT by improving various methods of automatic control is relevant, and the proposed work is devoted to this issue.

scholarly journals Wind Turbine Oriented Solutions to Improve Power Quality and Harmonic Compliance of AC Offshore Wind Power Plants

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Carlos Ruiz ◽  
Gonzalo Abad ◽  
Markel Zubiaga ◽  
Danel Madariaga ◽  
Joseba Arza
Keyword(s):  
Wind Turbine ◽  
Wind Power ◽  
Power Quality ◽  
Power Plants ◽  
Offshore Wind ◽  
Offshore Wind Power ◽  
Wind Power Plants

scholarly journals AIRFOIL SHAPED STRUTS FOR VERTICAL AXIS WIND TURBINE

2021 ◽  
Vol 5 (9) ◽  
Author(s):  
Samyak Jain ◽  
Gautam Singh ◽  
Varun Yadav ◽  
Rahul Bisht
Keyword(s):  
Aspect Ratio ◽  
Wind Energy ◽  
Wind Turbine ◽  
Energy Resource ◽  
Bending Moment ◽  
Clean Energy ◽  
Vertical Axis ◽  
Vertical Axis Wind Turbine ◽  
Aspect Ratios ◽  
Cost Of Energy

Currently, many countries are racing towards switching to clean energy resource (1). Among the options available Solar and Wind are two viable options that are economically feasible. Each day a new development is helping in bringing down the cost of energy extracted from these sources. With currently available technologies, solar energy is almost as expensive as the energy generated from burning coal, whereas wind energy is still slightly expensive (2). However, wind energy could be made cheaper by the use of a vertical axis wind turbine (3). However, structure is a major factor that is holding back the development of VAWTs with better efficiency (4). The efficiency of a VAWT depends upon its aspect ratio. Aspect Ratio is the ratio of the height of the blade to the diameter of the turbine. The lower the aspect ratio, the higher the efficiency (5). However, decreasing the AR would mean either increasing the diameter of the turbine or the height of the blade. In either case, the bending moment would increase on the struts, that connect the blades to the shaft. In this paper we propose, struts with airfoil cross-section. This is because, the lift generated by airfoil struts acts as additional support for the blade, thus increasing our ability to work at lower aspect ratios.

Effect of Slotted Angle on Savonius Wind Turbine Performance

2021 ◽  
Vol 104 ◽  
pp. 83-88
Author(s):  
Rahmat Wahyudi ◽  
Diniar Mungil Kurniawati ◽  
Alfian Djafar
Keyword(s):  
Wind Energy ◽  
Wind Turbine ◽  
Wind Turbines ◽  
Electrical Energy ◽  
Speed Ratio ◽  
Angle Variation ◽  
Wind Speeds ◽  
Turbine Performance ◽  
Savonius Wind Turbine ◽  
Low Wind Speeds

The potential of wind energy is very abundant but its utilization is still low. The effort to utilize wind energy is to utilize wind energy into electrical energy using wind turbines. Savonius wind turbines have a very simple shape and construction, are inexpensive, and can be used at low wind speeds. This research aims to determine the effect of the slot angle on the slotted blades configuration on the performance produced by Savonius wind turbines. Slot angle variations used are 5o ,10o , and 15o with slotted blades 30% at wind speeds of 2,23 m/s to 4,7 m/s using wind tunnel. The result showed that a small slot angle variation of 5o produced better wind turbine performance compared to a standard blade at low wind speeds and a low tip speed ratio.

scholarly journals Modelling and Stability Analysis of Wind Power Plants Connected to Weak Grids

2019 ◽  
Vol 9 (21) ◽  
pp. 4695 ◽  
Author(s):  
Esmaeil Ebrahimzadeh ◽  
Frede Blaabjerg ◽  
Torsten Lund ◽  
John Godsk Nielsen ◽  
Philip Carne Kjær
Keyword(s):  
Power Plant ◽  
Wind Turbine ◽  
Wind Power ◽  
Power Plants ◽  
Short Circuit ◽  
Wind Power Plant ◽  
Negative Sequence ◽  
Weak Grid ◽  
Wind Power Plants ◽  
Sequence Domain

It is important to develop modelling tools to predict unstable situations resulting from the interactions between the wind power plant and the weak power system. This paper presents a unified methodology to model and analyse a wind power plant connected to weak grids in the frequency-domain by considering the dynamics of the phase lock loop (PLL) and controller delays, which have been neglected in most of the previous research into modelling of wind power plants to simplify modelling. The presented approach combines both dq and positive/negative sequence domain modelling, where a single wind turbine is modelled in the dq domain but the whole wind power plant connected to the weak grid is analysed in the positive/negative sequence domain. As the proposed modelling of the wind power plant is systematic and modular and based on the decoupled positive/negative sequence impedances, the application of the proposed methodology is relevant for transmission system operators (TSOs) to assess stability easily with a very low compactional burden. In addition, as the analytical dq impedance models of the single wind turbine are provided, the proposed methodology is an optimization design tool permitting wind turbine manufacturers to tune their converter control. As a case study, a 108 MW wind power plant connected to a weak grid was used to study its sensitivity to variations in network short-circuit level, X/R ratio and line series capacitor compensation (Xc/Xg).

scholarly journals Potential of Wind Energy in Albania and Kosovo: Equity Payback and GHG Reduction of Wind Turbine Installation

2015 ◽  
Vol 4 (1) ◽  
pp. 11-19
Author(s):  
Mevlan Qafleshi ◽  
Driton R. Kryeziu ◽  
Lulezime Aliko
Keyword(s):  
Wind Energy ◽  
Wind Turbine ◽  
Power Plants ◽  
Combustion Process ◽  
Energy Generation ◽  
Base Case ◽  
Climate Data ◽  
Diesel Generator ◽  
Ghg Reduction ◽  
The Impact

The energy generation in Albania is completely from the hydropower plants. In terms of GHG emissions this is 100% green. In Kosovo 97% of energy is generated from lignite fired power plants. Apart the energy generation, the combustion process emits around 8000 ktCO2/yr and 1.5 Mt of ash in the form of fly and bottom ash. In both countries there is no MWh power generated from wind energy, i.e. this energy source is not utilized. Here, a proposed project for five locations in Albania and Kosovo has been analyzed in detail with the aim of installing a 1kW wind turbine off-grid. The method of study is based on the application of RETScreen International program software. This proposed model is intended to replace a base case- a diesel generator with installed capacity 7kW.  The locations are selected three in Albania: Vlora, Korça and Elbasan, and two in Kosovo: Prishtina and Prizren. All are in different altitudes. By the calculation of RETScreen program, it has been analyzed the feasibility of the proposed projects by installing a wind turbine at hub’s height 20m. The climate data for each location were retrieved by the RETScreen program from NASA. Generally, the calculation of financial parameters for the investments came out to be positive, the impact of GHG reduction very significant. A 5500 USD investment for the implementation of proposed case showed an equity payback time of 2-3 yrs and GHG reduction of 2.2 tCO2/yr. The electricity delivery to load only from this 1 KW wind turbine resulted to be between 1.6-17 MWh/yr.

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